WorldWideScience

Sample records for cilium coordinates early

  1. The primary cilium coordinates early cardiogenesis and hedgehog signaling in cardiomyocyte differentiation

    DEFF Research Database (Denmark)

    Clement, Christian A; Kristensen, Stine G; Møllgård, Kjeld;

    2009-01-01

    Defects in the assembly or function of primary cilia, which are sensory organelles, are tightly coupled to developmental defects and diseases in mammals. Here, we investigated the function of the primary cilium in regulating hedgehog signaling and early cardiogenesis. We report that the pluripotent...... P19.CL6 mouse stem cell line, which can differentiate into beating cardiomyocytes, forms primary cilia that contain essential components of the hedgehog pathway, including Smoothened, Patched-1 and Gli2. Knockdown of the primary cilium by Ift88 and Ift20 siRNA or treatment with cyclopamine, an...... inhibitor of Smoothened, blocks hedgehog signaling in P19.CL6 cells, as well as differentiation of the cells into beating cardiomyocytes. E11.5 embryos of the Ift88(tm1Rpw) (Ift88-null) mice, which form no cilia, have ventricular dilation, decreased myocardial trabeculation and abnormal outflow tract...

  2. Chapter 10 the primary cilium coordinates signaling pathways in cell cycle control and migration during development and tissue repair

    DEFF Research Database (Denmark)

    Christensen, Søren T; Pedersen, Stine F; Satir, Peter; Veland, Iben R; Schneider, Linda

    2008-01-01

    Cell cycle control and migration are critical processes during development and maintenance of tissue functions. Recently, primary cilia were shown to take part in coordination of the signaling pathways that control these cellular processes in human health and disease. In this review, we present an...

  3. Directional cell migration and chemotaxis in wound healing response to PDGF-AA are coordinated by the primary cilium in fibroblasts

    DEFF Research Database (Denmark)

    Schneider, Linda; Cammer, Michael; Lehman, Jonathan;

    2010-01-01

    . Here we used micropipette analysis to show that a normal chemosensory response to PDGF-AA in fibroblasts requires the primary cilium. In vitro and in vivo wound healing assays revealed that in ORPK mouse (IFT88(Tg737Rpw)) fibroblasts, where ciliary assembly is defective, chemotaxis towards PDGF-AA is...

  4. The Primary Cilium in Cell Signaling and Cancer

    Energy Technology Data Exchange (ETDEWEB)

    Michaud III, Edward J [ORNL; Yoder, Bradley [University of Alabama, Birmingham

    2006-01-01

    The primary cilium is a microtubule-based antenna-like structure that emanates from the surface of virtually all cells in the mammalian body. It is anchored to the cell by the basal body, which develops from the mother centriole of the centrosome in a manner that is coordinately regulated with the cell cycle. The primary cilium is a sensory organelle that receives both mechanical and chemical signals from other cells and the environment, and transmits these signals to the nucleus to elicit a cellular response. Recent studies revealed that multiple components of the Sonic hedgehog and plateletderived growth factor receptor-A signal transduction pathways localize to the primary cilium, and that loss of the cilium blocks ligand-induced signaling by both pathways. In light of the major role that these pathways play in numerous types of cancer, we anticipate that the emerging discoveries being made about the function of the primary cilium in signaling pathways that are critical for embryonic development and tissue homeostasis in adults will also provide novel insights into the molecular mechanisms of carcinogenesis. (Cancer Res 2006; 66 13): 6463-7)

  5. Primary cilium - antenna-like structure on the surface of most mammalian cell types

    International Nuclear Information System (INIS)

    The primary cilium is a sensory solitary non-motile microtubule-based organelle protruding in the quiescent phase of the cell cycle from the surface of the majority of human cells, including embryonic cells, stem cells and stromal cells of malignant tumors. The presence of a primary cilium on the surface of a cell is transient, limited to the quiescent G1(G0) phase and the beginning of the S phase of the cell cycle. The primary cilium is formed from the mother centriole. Primary cilia are key coordinators of signaling pathways during development and tissue homeostasis and, when deffective, they are a major cause of human diseases and developmental disorders, now commonly referred to as ciliopathies. Most cancer cells do not possess a primary cilium. The loss of the primary cilium is a regular feature of neoplastic transformation in the majority of solid tumors. The primary cilium could serve as a tumor suppressor organelle. The aim of this paper was to provide a review of the current knowledge of the primary cilium.

  6. Primary cilium - antenna-like structure on the surface of most mammalian cell types

    Science.gov (United States)

    Dvorak, J.; Sitorova, V.; Hadzi Nikolov, D.; Mokry, J.; Richter, I.; Kasaova, L.; Filip, S.; Ryska, A.; Petera, J.

    2011-12-01

    The primary cilium is a sensory solitary non-motile microtubule-based organelle protruding in the quiescent phase of the cell cycle from the surface of the majority of human cells, including embryonic cells, stem cells and stromal cells of malignant tumors. The presence of a primary cilium on the surface of a cell is transient, limited to the quiescent G1(G0) phase and the beginning of the S phase of the cell cycle. The primary cilium is formed from the mother centriole. Primary cilia are key coordinators of signaling pathways during development and tissue homeostasis and, when deffective, they are a major cause of human diseases and developmental disorders, now commonly referred to as ciliopathies. Most cancer cells do not possess a primary cilium. The loss of the primary cilium is a regular feature of neoplastic transformation in the majority of solid tumors. The primary cilium could serve as a tumor suppressor organelle. The aim of this paper was to provide a review of the current knowledge of the primary cilium.

  7. PDGFR alpha signaling in the primary cilium regulates NHE1-dependent fibroblast migration via coordinated differential activity of MEK1/2-ERK1/2-p90(RSK) and AKT signaling pathways

    DEFF Research Database (Denmark)

    Clement, Ditte L.; Mally, Sabine; Stock, Christian;

    2013-01-01

    In fibroblasts, platelet-derived growth factor receptor alpha (PDGFR alpha) is upregulated during growth arrest and compartmentalized to the primary cilium. PDGF-AA mediated activation of the dimerized ciliary receptor produces a phosphorylation cascade through the PI3K-AKT and MEK1/2-ERK1/2 path...

  8. Cilium, centrosome and cell cycle regulation in polycystic kidney disease.

    Science.gov (United States)

    Lee, Kyung; Battini, Lorenzo; Gusella, G Luca

    2011-10-01

    Polycystic kidney disease is the defining condition of a group of common life-threatening genetic disorders characterized by the bilateral formation and progressive expansion of renal cysts that lead to end stage kidney disease. Although a large body of information has been acquired in the past years about the cellular functions that characterize the cystic cells, the mechanisms triggering the cystogenic conversion are just starting to emerge. Recent findings link defects in ciliary functions, planar cell polarity pathway, and centrosome integrity in early cystic development. Many of the signals dysregulated during cystogenesis may converge on the centrosome for its central function as a structural support for cilia formation and a coordinator of protein trafficking, polarity, and cell division. Here, we will discuss the contribution of proliferation, cilium and planar cell polarity to the cystic signal and will analyze in particular the possible role that the basal bodies/centrosome may play in the cystogenetic mechanisms. This article is part of a Special Issue entitled: Polycystic Kidney Disease. PMID:21376807

  9. 39 CFR 775.7 - Planning and early coordination.

    Science.gov (United States)

    2010-07-01

    ... 39 Postal Service 1 2010-07-01 2010-07-01 false Planning and early coordination. 775.7 Section 775.7 Postal Service UNITED STATES POSTAL SERVICE ENVIRONMENTAL REGULATIONS NATIONAL ENVIRONMENTAL POLICY ACT PROCEDURES § 775.7 Planning and early coordination. Early planning and coordination...

  10. A SDMS Model: Early Warning Coordination Centres

    Science.gov (United States)

    Santos-Reyes, Jaime

    2010-05-01

    Following the tsunami disaster in 2004, the General Secretary of the United Nations (UN) Kofi Annan called for a global early warning system for all hazards and for all communities. He also requested the ISDR (International Strategy fort Disaster Reduction) and its UN partners to conduct a global survey of capacities, gaps and opportunities in relation to early warning systems. The produced report, "Global survey of Early Warning Systems", concluded that there are many gaps and shortcomings and that much progress has been made on early warning systems and great capabilities are available around the world. However, it may be argued that an early warning system (EWS) may not be enough to prevent fatalities due to a natural hazard; i.e., it should be seen as part of a ‘wider' or total system. Furthermore, an EWS may work very well when assessed individually but it is not clear whether it will contribute to accomplish the purpose of the ‘total disaster management system'; i.e., to prevent fatalities. For instance, a regional EWS may only work if it is well co-ordinated with the local warning and emergency response systems that ensure that the warning is received, communicated and acted upon by the potentially affected communities. It may be argued that without these local measures being in place, a regional EWS will have little impact in saving lives. Researchers argued that unless people are warned in remote areas, the technology is useless; for instance McGuire [5] argues that: "I have no doubt that the technical element of the warning system will work very well,"…"But there has to be an effective and efficient communications cascade from the warning centre to the fisherman on the beach and his family and the bar owners." Similarly, McFadden [6] states that: "There's no point in spending all the money on a fancy monitoring and a fancy analysis system unless we can make sure the infrastructure for the broadcast system is there,"… "That's going to require a lot

  11. The Best Performing Cilium: Efficient or Robust?

    CERN Document Server

    Guo, Hanliang

    2015-01-01

    Motile cilia are used by many eukaryotic cells to transport flow. Cilia-driven flows are important to many physiological functions, yet a deep understanding of the interplay between the mechanical structure of cilia and their physiological functions in healthy and diseased conditions remains elusive. For developing such understanding, one needs a quantitative framework for assessing cilia performance and robustness when subject to perturbations in the cilia apparatus. Here, we link cilia design (beating patterns) to function (flow transport) in the context of experimentally- and theoretically-derived cilia models. We particularly examine the optimality and robustness of cilia design. Optimality refers to efficiency of flow transport, while robustness is defined as low sensitivity to variations in the design parameters. We find that suboptimal designs can be more robust than optimal ones. That is, designing for the most efficient cilium does not guarantee robustness. These findings have significant implication...

  12. CPAP promotes timely cilium disassembly to maintain neural progenitor pool.

    Science.gov (United States)

    Gabriel, Elke; Wason, Arpit; Ramani, Anand; Gooi, Li Ming; Keller, Patrick; Pozniakovsky, Andrei; Poser, Ina; Noack, Florian; Telugu, Narasimha Swamy; Calegari, Federico; Šarić, Tomo; Hescheler, Jürgen; Hyman, Anthony A; Gottardo, Marco; Callaini, Giuliano; Alkuraya, Fowzan Sami; Gopalakrishnan, Jay

    2016-04-15

    A mutation in the centrosomal-P4.1-associated protein (CPAP) causes Seckel syndrome with microcephaly, which is suggested to arise from a decline in neural progenitor cells (NPCs) during development. However, mechanisms ofNPCs maintenance remain unclear. Here, we report an unexpected role for the cilium inNPCs maintenance and identifyCPAPas a negative regulator of ciliary length independent of its role in centrosome biogenesis. At the onset of cilium disassembly,CPAPprovides a scaffold for the cilium disassembly complex (CDC), which includes Nde1, Aurora A, andOFD1, recruited to the ciliary base for timely cilium disassembly. In contrast, mutatedCPAPfails to localize at the ciliary base associated with inefficientCDCrecruitment, long cilia, retarded cilium disassembly, and delayed cell cycle re-entry leading to premature differentiation of patientiPS-derivedNPCs. AberrantCDCfunction also promotes premature differentiation ofNPCs in SeckeliPS-derived organoids. Thus, our results suggest a role for cilia in microcephaly and its involvement during neurogenesis and brain size control. PMID:26929011

  13. Unmasking the ciliopathies: craniofacial defects and the primary cilium.

    Science.gov (United States)

    Cortés, Claudio R; Metzis, Vicki; Wicking, Carol

    2015-01-01

    Over the past decade, the primary cilium has emerged as a pivotal sensory organelle that acts as a major signaling hub for a number of developmental signaling pathways. In that time, a vast number of proteins involved in trafficking and signaling have been linked to ciliary assembly and/or function, demonstrating the importance of this organelle during embryonic development. Given the central role of the primary cilium in regulating developmental signaling, it is not surprising that its dysfunction results in widespread defects in the embryo, leading to an expanding class of human congenital disorders known as ciliopathies. These disorders are individually rare and phenotypically variable, but together they affect virtually every vertebrate organ system. Features of ciliopathies that are often overlooked, but which are being reported with increasing frequency, are craniofacial abnormalities, ranging from subtle midline defects to full-blown orofacial clefting. The challenge moving forward is to understand the primary mechanism of disease given the link between the primary cilium and a number of developmental signaling pathways (such as hedgehog, platelet-derived growth factor, and WNT signaling) that are essential for craniofacial development. Here, we provide an overview of the diversity of craniofacial abnormalities present in the ciliopathy spectrum, and reveal those defects in common across multiple disorders. Further, we discuss the molecular defects and potential signaling perturbations underlying these anomalies. This provides insight into the mechanisms leading to ciliopathy phenotypes more generally and highlights the prevalence of widespread dysmorphologies resulting from cilia dysfunction. PMID:26173831

  14. Early Deprivation Impairs the Development of Balance and Bilateral Coordination

    OpenAIRE

    Roeber, Barbara J.; Gunnar, Megan R.; Pollak, Seth D.

    2013-01-01

    This study examined balance and bilateral coordination skills in a sample of internationally adopted, post-institutionalized (PI) children. We compared the performance of these PI children to two age-matched groups. One was a group of children who were internationally adopted from foster care (FC). The second group consisted of non-adopted children being raised in their birth families, who served as controls (Control). Both PI and FC children scored lower than control children on balance, whi...

  15. Centriole Age Underlies Asynchronous Primary Cilium Growth in Mammalian Cells

    OpenAIRE

    Anderson, Charles T; Stearns, Tim

    2009-01-01

    Primary cilia are microtubule-based sensory organelles that are present in most mammalian tissues and play important roles in development and disease [1]. They are required for the Sonic hedgehog (Shh) [2-4] and PDGF [5] signalling pathways. Primary cilia grow from the older of the two centrioles of the centrosome, referred to as the mother centriole. In cycling cells the cilium typically grows in G1 and is lost before mitosis, but the regulation of its growth is poorly understood. Centriole ...

  16. Identification of drugs that restore primary cilium expression in cancer cells

    Science.gov (United States)

    Khan, Niamat Ali; Willemarck, Nicolas; Talebi, Ali; Marchand, Arnaud; Binda, Maria Mercedes; Dehairs, Jonas; Rueda-Rincon, Natalia; Daniels, Veerle W.; Bagadi, Muralidhararao; Raj, Deepak Balaji Thimiri Govinda; Vanderhoydonc, Frank; Munck, Sebastian; Chaltin, Patrick; Swinnen, Johannes V.

    2016-01-01

    The development of cancer is often accompanied by a loss of the primary cilium, a microtubule-based cellular protrusion that functions as a cellular antenna and that puts a break on cell proliferation. Hence, restoration of the primary cilium in cancer cells may represent a novel promising approach to attenuate tumor growth. Using a high content analysis-based approach we screened a library of clinically evaluated compounds and marketed drugs for their ability to restore primary cilium expression in pancreatic ductal cancer cells. A diverse set of 118 compounds stimulating cilium expression was identified. These included glucocorticoids, fibrates and other nuclear receptor modulators, neurotransmitter regulators, ion channel modulators, tyrosine kinase inhibitors, DNA gyrase/topoisomerase inhibitors, antibacterial compounds, protein inhibitors, microtubule modulators, and COX inhibitors. Certain compounds also dramatically affected the length of the cilium. For a selection of compounds (Clofibrate, Gefitinib, Sirolimus, Imexon and Dexamethasone) their ability to restore ciliogenesis was confirmed in a panel of human cancer cell line models representing different cancer types (pancreas, lung, kidney, breast). Most compounds attenuated cell proliferation, at least in part through induction of the primary cilium, as demonstrated by cilium removal using chloral hydrate. These findings reveal that several commonly used drugs restore ciliogenesis in cancer cells, and warrant further investigation of their antineoplastic properties. PMID:26862738

  17. The conserved proteins CHE-12 and DYF-11 are required for sensory cilium function in Caenorhabditis elegans.

    Science.gov (United States)

    Bacaj, Taulant; Lu, Yun; Shaham, Shai

    2008-02-01

    Sensory neuron cilia are evolutionarily conserved dendritic appendages that convert environmental stimuli into neuronal activity. Although several cilia components are known, the functions of many remain uncharacterized. Furthermore, the basis of morphological and functional differences between cilia remains largely unexplored. To understand the molecular basis of cilia morphogenesis and function, we studied the Caenorhabditis elegans mutants che-12 and dyf-11. These mutants fail to concentrate lipophilic dyes from their surroundings in sensory neurons and are chemotaxis defective. In che-12 mutants, sensory neuron cilia lack distal segments, while in dyf-11 animals, medial and distal segments are absent. CHE-12 and DYF-11 are conserved ciliary proteins that function cell-autonomously and are continuously required for maintenance of cilium morphology and function. CHE-12, composed primarily of HEAT repeats, may not be part of the intraflagellar transport (IFT) complex and is not required for the localization of some IFT components. DYF-11 undergoes IFT-like movement and may function at an early stage of IFT-B particle assembly. Intriguingly, while DYF-11 is expressed in all C. elegans ciliated neurons, CHE-12 expression is restricted to some amphid sensory neurons, suggesting a specific role in these neurons. Our results provide insight into general and neuron-specific aspects of cilium development and function. PMID:18245347

  18. Gestural-vocal coordination: longitudinal changes and predictive value on early lexical development

    OpenAIRE

    Murillo Sanz, Eva; Belinchón Carmona, Mercedes

    2012-01-01

    The aim of this study was to examine longitudinally gestural and vocal coordination in multimodal communicative patterns during the period of transition to first words, and its role in early lexical development. Eleven monolingual Spanish children were observed from 9 to 12 and 15 months of age in a semistructured play situation. We obtained three main findings: (1) the use of multimodal patterns of communication increases significantly with age during the period studied; (2) the rate of u...

  19. Coordinated Development of Muscles and Tendon-Like Structures: Early Interactions in the Drosophila Leg.

    Science.gov (United States)

    Soler, Cedric; Laddada, Lilia; Jagla, Krzysztof

    2016-01-01

    The formation of the musculoskeletal system is a remarkable example of tissue assembly. In both vertebrates and invertebrates, precise connectivity between muscles and skeleton (or exoskeleton) via tendons or equivalent structures is fundamental for movement and stability of the body. The molecular and cellular processes underpinning muscle formation are well-established and significant advances have been made in understanding tendon development. However, the mechanisms contributing to proper connection between these two tissues have received less attention. Observations of coordinated development of tendons and muscles suggest these tissues may interact during the different steps in their development. There is growing evidence that, depending on animal model and muscle type, these interactions can take place from progenitor induction to the final step of the formation of the musculoskeletal system. Here, we briefly review and compare the mechanisms behind muscle and tendon interaction throughout the development of vertebrates and Drosophila before going on to discuss our recent findings on the coordinated development of muscles and tendon-like structures in Drosophila leg. By altering apodeme formation (the functional Drosophila equivalent of tendons in vertebrates) during the early steps of leg development, we affect the spatial localization of subsequent myoblasts. These findings provide the first evidence of the developmental impact of early interactions between muscle and tendon-like precursors, and confirm the appendicular Drosophila muscle system as a valuable model for studying these processes. PMID:26869938

  20. The primary cilium as a cellular receiver: organizing ciliary GPCR signaling.

    Science.gov (United States)

    Hilgendorf, Keren I; Johnson, Carl T; Jackson, Peter K

    2016-04-01

    The primary cilium is an antenna-like cellular protrusion mediating sensory and neuroendocrine signaling. Its localization within tissue architecture and a growing list of cilia-localized receptors, in particular G-protein-coupled receptors, determine a host of crucial physiologies, which are disrupted in human ciliopathies. Here, we discuss recent advances in the identification and characterization of ciliary signaling components and pathways. Recent studies have highlighted the unique signaling environment of the primary cilium and we are just beginning to understand how this design allows for highly amplified and regulated signaling. PMID:26926036

  1. The primary cilium is a sensory organelle that regulates growth control and tissue homeostasis

    DEFF Research Database (Denmark)

    Christensen, Søren Tvorup; Schneider, Linda; Clement, Christian Alexandro;

    2006-01-01

    The growth-arrest specific receptor tyrosine kinase, PDGFRa, is up-regulated and targeted to the primary cilium during growth arrest in NIH3T3 cells and primary cultures of mouse embryonic fibroblasts (MEFs), and PDGF-AA-stimulated fibroblast cycle entrance is regulated through activation of cili...

  2. The dyf-3 gene encodes a novel protein required for sensory cilium formation in Caenorhabditis elegans.

    Science.gov (United States)

    Murayama, Takashi; Toh, Yoshihiro; Ohshima, Yasumi; Koga, Makoto

    2005-02-25

    Ciliated neurons in animals are important for the reception of environmental stimuli. To understand the mechanism of cilium morphogenesis in Caenorhabditis elegans, we analyzed dyf-3 mutants that are defective in uptake of a fluorescent dye and abnormal in sensory cilium structure. Expression of green fluorescent protein in sensory neurons of a dyf-3 mutant revealed that the mutant has stunted cilia and abnormal posterior projections in some sensory neurons. The dyf-3 gene encodes three proteins with different N-terminals. The largest DYF-3 protein has 404 amino acid residues that are 38% identical with those of a predicted human protein of unknown function. Expression of a functional dyf-3Colon, two colonsgfp fusion gene is detected in 26 chemosensory neurons, including six IL2 neurons, eight pairs of amphid neurons (ASE, ADF, ASG, ASH, ASI, ASJ, ASK and ADL) and two pairs of phasmid neurons (PHA and PHB). Expression of a dyf-3 cDNA in specific neurons of dyf-3 animals indicated that dyf-3 acts cell-autonomously for fluorescent dye uptake. Reduction of dyf-3Colon, two colonsgfp expression in a daf-19 mutant suggests that dyf-3 expression is regulated by DAF-19 transcription factor, and DYF-3 may be involved in the intraflagellar transport system. PMID:15713455

  3. Nek2 activation of Kif24 ensures cilium disassembly during the cell cycle.

    Science.gov (United States)

    Kim, Sehyun; Lee, Kwanwoo; Choi, Jung-Hwan; Ringstad, Niels; Dynlacht, Brian David

    2015-01-01

    Many proteins are known to promote ciliogenesis, but mechanisms that promote primary cilia disassembly before mitosis are largely unknown. Here we identify a mechanism that favours cilium disassembly and maintains the disassembled state. We show that co-localization of the S/G2 phase kinase, Nek2 and Kif24 triggers Kif24 phosphorylation, inhibiting cilia formation. We show that Kif24, a microtubule depolymerizing kinesin, is phosphorylated by Nek2, which stimulates its activity and prevents the outgrowth of cilia in proliferating cells, independent of Aurora A and HDAC6. Our data also suggest that cilium assembly and disassembly are in dynamic equilibrium, but Nek2 and Kif24 can shift the balance toward disassembly. Further, Nek2 and Kif24 are overexpressed in breast cancer cells, and ablation of these proteins restores ciliation in these cells, thereby reducing proliferation. Thus, Kif24 is a physiological substrate of Nek2, which regulates cilia disassembly through a concerted mechanism involving Kif24-mediated microtubule depolymerization. PMID:26290419

  4. The size of the primary cilium and acetylated tubulin are modulated during adipocyte differentiation: Analysis of HDAC6 functions in these processes.

    Science.gov (United States)

    Forcioli-Conti, Nicolas; Estève, David; Bouloumié, Anne; Dani, Christian; Peraldi, Pascal

    2016-05-01

    The primary cilium is an organelle present in most of the cells of the organism. Ciliopathies, such as the Bardet Biedl and the Alstrom syndromes are associated with obesity. We, and others, have shown that the primary cilium undergoes size modifications during adipocyte differentiation of human adipose stromal cells. We show here that the levels of acetylated α-tubulin, a constituent of the primary cilium, and the expression of HDAC6, the enzyme that deacetylates α-tubulin and is responsible for the loss of the cilium during mitosis, are modulated during adipogenesis. Moreover, during adipocyte differentiation cells that express higher level of HDAC6 are the first to lose their primary cilium. We have investigated the function of HDAC6 on adipocyte differentiation and on the primary cilium. We observe that inhibition of HDAC6 activity leads to a decrease in adipocyte differentiation. This is associated with an inhibition of the initial elongation of the cilium. Interestingly, overexpression of HDAC6 inhibits adipocyte differentiation and blunts the elongation of the primary cilium. In both situations, inhibition of adipocyte differentiation was not associated with an inhibition of the glucocorticoid receptor activity. This indicates that HDAC6 controls adipogenesis through the levels of acetylated α-tubulin. Moreover, we show that although HDAC6 expression increases during adipocyte differentiation it is not sufficient to provoke the loss of the cilium. This suggests the existence of a novel mechanism for the loss of the cilium. Together, these data indicate that HDAC6, and acetylated α-tubulin, are important regulator of adipocyte differentiation. PMID:26363102

  5. A Synthesis of Peer-Reviewed Literature on Team-Coordinated and Delivered Early Supported Discharge After Stroke.

    Science.gov (United States)

    Meyer, Matthew J; Teasell, Robert; Thind, Amardeep; Koval, John; Speechley, Mark

    2016-05-01

    This review aimed to summarize data from peer-reviewed studies of team-coordinated and delivered early supported discharge (ESD) for postacute, poststroke rehabilitation. A systematic review was performed in Medline, Embase, and CINAHL for appropriate studies. Information on program details and patient cohorts was synthesized. All programs sought patients with mild-to-moderate functional impairment and minimal cognitive impairment (often based on Barthel Index and Mini-Mental State Examination scores, respectively). All also included at least one subjective admission criterion related to rehabilitation suitability or the suitability of the home environment. Based on the identified studies, ESD programs can assume that 15% of patients screened for ESD will be eligible and care should be provided for 4 to 5 weeks postdischarge. Although the benefits of team-coordinated and delivered ESD poststroke have been well-documented, this review may be helpful for clinicians, administrators, and policy makers looking to establish or refine an ESD program for stroke. PMID:26742718

  6. Assessment of visual perception in adolescents with a history of central coordination disorder in early life – 15-year follow-up study

    OpenAIRE

    Kiebzak, Wojciech; Kowalski, Ireneusz M.; Domagalska, Małgorzata; Szopa, Andrzej; Dwornik, Michał; Kujawa, Jolanta; Stępień, Agnieszka; Śliwiński, Zbigniew

    2012-01-01

    Introduction Central nervous system damage in early life results in both quantitative and qualitative abnormalities of psychomotor development. Late sequelae of these disturbances may include visual perception disorders which not only affect the ability to read and write but also generally influence the child's intellectual development. This study sought to determine whether a central coordination disorder (CCD) in early life treated according to Vojta's method with elements of the sensory in...

  7. Primary cilium-dependent mechanosensing is mediated by adenylyl cyclase 6 and cyclic AMP in bone cells

    OpenAIRE

    Kwon, Ronald Y.; Temiyasathit, Sara; Tummala, Padmaja; Quah, Clarence C.; Jacobs, Christopher R.

    2010-01-01

    Primary cilia are chemosensing and mechanosensing organelles that regulate remarkably diverse processes in a variety of cells. We previously showed that primary cilia play a role in mediating mechanosensing in bone cells through an unknown mechanism that does not involve extracellular Ca2+-dependent intracellular Ca2+ release, which has been implicated in all other cells that transduce mechanical signals via the cilium. Here, we identify a molecular mechanism linking primary cilia and bone ce...

  8. The cilium: a cellular antenna with an influence on obesity risk.

    Science.gov (United States)

    Mariman, Edwin C M; Vink, Roel G; Roumans, Nadia J T; Bouwman, Freek G; Stumpel, Constance T R M; Aller, Erik E J G; van Baak, Marleen A; Wang, Ping

    2016-08-01

    Primary cilia are organelles that are present on many different cell types, either transiently or permanently. They play a crucial role in receiving signals from the environment and passing these signals to other parts of the cell. In that way, they are involved in diverse processes such as adipocyte differentiation and olfactory sensation. Mutations in genes coding for ciliary proteins often have pleiotropic effects and lead to clinical conditions, ciliopathies, with multiple symptoms. In this study, we reviewed observations from ciliopathies with obesity as one of the symptoms. It shows that variation in cilia-related genes is itself not a major cause of obesity in the population but may be a part of the multifactorial aetiology of this complex condition. Both common polymorphisms and rare deleterious variants may contribute to the obesity risk. Genotype-phenotype relationships have been noticed. Among the ciliary genes, obesity differs with regard to severity and age of onset, which may relate to the influence of each gene on the balance between pro- and anti-adipogenic processes. Analysis of the function and location of the proteins encoded by these ciliary genes suggests that obesity is more linked to activities at the basal area of the cilium, including initiation of the intraflagellar transport, but less to the intraflagellar transport itself. Regarding the role of cilia, three possible mechanistic processes underlying obesity are described: adipogenesis, neuronal food intake regulation and food odour perception. PMID:27323230

  9. Early coordinated multidisciplinary intervention to prevent sickness absence and labour market exclusion in patients with low back pain

    DEFF Research Database (Denmark)

    Fisker, Annette; Langberg, Henning; Petersen, Tom;

    2013-01-01

    this type of intervention, and the implementation of a return-to-work (RTW)-coordinator is suggested as an effective strategy in this process. The purpose of this paper is to describe the study protocol and present a new type of intervention, where the physiotherapist both has the role as RTW...

  10. Primary cilia and coordination of signaling pathways in heart development and tissue Homeostasis

    DEFF Research Database (Denmark)

    Clement, Christian Alexandro

    This thesis focuses on cilia and their sensory function in the mammalian organism. In particular, the Hedgehog (Hh) signaling pathway functions via the primary cilium and plays a unique role in development, differentiation, cancer and possibly in stem cell fate. Defects in primary cilia assembly or...... function are tightly coupled to developmental disorders and diseases in mammals termed "ciliopathies". The primary objective of this thesis was to investigate the role the primary cilium in coordinating Hh signaling in stem cell differentiation and heart development in the mouse. We show that human...... embryonic stem cells (hESC) and mouse embryonal carcinoma stem cells (P19.CL6 EC cells) have primary cilia that display ciliary localization of the essential Hh proteins; Gli2, Ptc1 and Smo. Inhibition of the Hh pathway by KAAD-cyclopamine in P19.CL6 cells hinder formation of synchronously beating clusters...

  11. The Coordination of Independently-Owned Vacuum Tube Patents in the Early Radio Alleged Patent “Thicket”

    DEFF Research Database (Denmark)

    Howells, John; Ron D, Katznelson

    entrepreneurial exploitation of patents on early vacuum tube technology where Fleming’s diode patent was alleged to have ”overlapped” with De Forest’s triode patents. We show, by means of the relevant historical record, patent claims, litigation records and other relevant law, how patent rights were resolved by...

  12. Coordinated cell type-specific epigenetic remodeling in prefrontal cortex begins before birth and continues into early adulthood.

    Directory of Open Access Journals (Sweden)

    Hennady P Shulha

    2013-04-01

    Full Text Available Development of prefrontal and other higher-order association cortices is associated with widespread changes in the cortical transcriptome, particularly during the transitions from prenatal to postnatal development, and from early infancy to later stages of childhood and early adulthood. However, the timing and longitudinal trajectories of neuronal gene expression programs during these periods remain unclear in part because of confounding effects of concomitantly occurring shifts in neuron-to-glia ratios. Here, we used cell type-specific chromatin sorting techniques for genome-wide profiling of a histone mark associated with transcriptional regulation--H3 with trimethylated lysine 4 (H3K4me3--in neuronal chromatin from 31 subjects from the late gestational period to 80 years of age. H3K4me3 landscapes of prefrontal neurons were developmentally regulated at 1,157 loci, including 768 loci that were proximal to transcription start sites. Multiple algorithms consistently revealed that the overwhelming majority and perhaps all of developmentally regulated H3K4me3 peaks were on a unidirectional trajectory defined by either rapid gain or loss of histone methylation during the late prenatal period and the first year after birth, followed by similar changes but with progressively slower kinetics during early and later childhood and only minimal changes later in life. Developmentally downregulated H3K4me3 peaks in prefrontal neurons were enriched for Paired box (Pax and multiple Signal Transducer and Activator of Transcription (STAT motifs, which are known to promote glial differentiation. In contrast, H3K4me3 peaks subject to a progressive increase in maturing prefrontal neurons were enriched for activating protein-1 (AP-1 recognition elements that are commonly associated with activity-dependent regulation of neuronal gene expression. We uncovered a developmental program governing the remodeling of neuronal histone methylation landscapes in the prefrontal

  13. MK-801 impairs cognitive coordination on a rotating arena (Carousel and contextual specificity of hippocampal immediate-early gene expression in a rat model of psychosis

    Directory of Open Access Journals (Sweden)

    Štěpán eKubík

    2014-03-01

    Full Text Available Flexible behavior in dynamic, real-world environments requires more than static spatial learning and memory. Discordant and unstable cues must be organized in coherent subsets to give rise to meaningful spatial representations. We model this form of cognitive coordination on a rotating arena - Carousel where arena- and room-bound spatial cues are dissociated. Hippocampal neuronal ensemble activity can repeatedly switch between multiple representations of such an environment. Injection of tetrodotoxin into one hippocampus prevents cognitive coordination during avoidance of a stationary room-defined place on the Carousel and increases coactivity of previously unrelated neurons in the uninjected hippocampus. Place avoidance on the Carousel is impaired after systemic administration of non-competitive NMDAr blockers (MK-801 used to model schizophrenia in animals and people. We tested if this effect is due to cognitive disorganization or other effect of NMDAr antagonism such as hyperlocomotion, spatial memory impairment, or general learning deficit. We also examined if the same dose of MK-801 alters patterns of immediate-early gene (IEG expression in the hippocampus. IEG expression is triggered in neuronal nuclei in a context-specific manner after behavioral exploration and it is used to map activity in neuronal populations. IEG expression is critical for maintenance of synaptic plasticity and memory consolidation. We show that the same dose of MK-801 that impairs spatial coordination of rats on the Carousel also eliminates contextual specificity of IEG expression in hippocampal CA1 ensembles. This effect is due to increased similarity between ensembles activated in different environments, consistent with the idea that it is caused by increased coactivity between neurons, which did not fire together before. Our data support the proposition of the Hypersynchrony theory that cognitive disorganization in psychosis is due to increased coactivity between

  14. International Severe Weather and Flash Flood Hazard Early Warning Systems—Leveraging Coordination, Cooperation, and Partnerships through a Hydrometeorological Project in Southern Africa

    Directory of Open Access Journals (Sweden)

    Robert Jubach

    2016-06-01

    Full Text Available Climate, weather and water hazards do not recognize national boundaries. Transboundary/regional programs and cooperation are essential to reduce the loss of lives and damage to livelihoods when facing these hazards. The development and implementation of systems to provide early warnings for severe weather events such as cyclones and flash floods requires data and information sharing in real time, and coordination among the government agencies at all levels. Within a country, this includes local, municipal, provincial-to-national levels as well as regional and international entities involved in hydrometeorological services and Disaster Risk Reduction (DRR. Of key importance are the National Meteorological and Hydrologic Services (NMHSs. The NMHS is generally the authority solely responsible for issuing warnings for these hazards. However, in many regions of the world, the linkages and interfaces between the NMHS and other agencies are weak or non-existent. Therefore, there is a critical need to assess, strengthen, and formalize collaborations when addressing the concept of reducing risk and impacts from severe weather and floods. The U.S. Agency for International Development/Office of U.S. Foreign Disaster Assistance; the United Nations World Meteorological Organization (WMO; the WMO Southern Africa Regional Specialized Meteorological Center, hosted by the South African Weather Service; the U.S. National Oceanic and Atmospheric Administration/National Weather Service and the Hydrologic Research Center (a non-profit corporation are currently implementing a project working with Southern Africa NMHSs on addressing this gap. The project aims to strengthen coordination and collaboration mechanisms from national to local levels. The project partners are working with the NMHSs to apply and implement appropriate tools and infrastructure to enhance currently operational severe weather and flash flood early warning systems in each country in support of

  15. Assessment of visual perception in adolescents with a history of central coordination disorder in early life – 15-year follow-up study

    Science.gov (United States)

    Kowalski, Ireneusz M.; Domagalska, Małgorzata; Szopa, Andrzej; Dwornik, Michał; Kujawa, Jolanta; Stępień, Agnieszka; Śliwiński, Zbigniew

    2012-01-01

    Introduction Central nervous system damage in early life results in both quantitative and qualitative abnormalities of psychomotor development. Late sequelae of these disturbances may include visual perception disorders which not only affect the ability to read and write but also generally influence the child's intellectual development. This study sought to determine whether a central coordination disorder (CCD) in early life treated according to Vojta's method with elements of the sensory integration (S-I) and neuro-developmental treatment (NDT)/Bobath approaches affects development of visual perception later in life. Material and methods The study involved 44 participants aged 15-16 years, including 19 diagnosed with moderate or severe CCD in the neonatal period, i.e. during the first 2-3 months of life, with diagnosed mild degree neonatal encephalopathy due to perinatal anoxia, and 25 healthy people without a history of developmental psychomotor disturbances in the neonatal period. The study tool was a visual perception IQ test comprising 96 graphic tasks. Results The study revealed equal proportions of participants (p < 0.05) defined as very skilled (94-96), skilled (91-94), aerage (71-91), poor (67-71), and very poor (0-67) in both groups. These results mean that adolescents with a history of CCD in the neonatal period did not differ with regard to the level of visual perception from their peers who had not demonstrated psychomotor development disorders in the neonatal period. Conclusions Early treatment of children with CCD affords a possibility of normalising their psychomotor development early enough to prevent consequences in the form of cognitive impairments in later life. PMID:23185199

  16. An ARL3–UNC119–RP2 GTPase cycle targets myristoylated NPHP3 to the primary cilium

    OpenAIRE

    Wright, Kevin J.; Baye, Lisa M.; Olivier-Mason, Anique; Mukhopadhyay, Saikat; Sang, Liyun; Kwong, Mandy; Wang, Weiru; Pretorius, Pamela R.; Sheffield, Val C.; Sengupta, Piali; Diane C Slusarski; Jackson, Peter K.

    2011-01-01

    Precise ciliary organization is vital in human health, as disruptions can lead to diseases called ciliopathies. Here, Jackson and colleagues investigate how proteins are selectively transported to and organized in the primary cilium. They identify the ARL3 GTPase effector UNC119 as a myristoyl-binding protein that binds the myristoylated ciliopathy protein NPHP3. The work uncovers a selective, membrane targeting GTPase cycle that delivers myristoylated proteins to the ciliary membrane.

  17. Studies on the Coordination of Ribosomal Protein Assembly Events Involved in Processing and Stabilization of Yeast Early Large Ribosomal Subunit Precursors.

    Directory of Open Access Journals (Sweden)

    Uli Ohmayer

    Full Text Available Cellular production of ribosomes involves the formation of highly defined interactions between ribosomal proteins (r-proteins and ribosomal RNAs (rRNAs. Moreover in eukaryotic cells, efficient ribosome maturation requires the transient association of a large number of ribosome biogenesis factors (RBFs with newly forming ribosomal subunits. Here, we investigated how r-protein assembly events in the large ribosomal subunit (LSU rRNA domain II are coordinated with each other and with the association of RBFs in early LSU precursors of the yeast Saccharomyces cerevisiae. Specific effects on the pre-ribosomal association of RBFs could be observed in yeast mutants blocked in LSU rRNA domain II assembly. Moreover, formation of a cluster of r-proteins was identified as a downstream event in LSU rRNA domain II assembly. We analyzed in more detail the functional relevance of eukaryote specific bridges established by this r-protein cluster between LSU rRNA domain II and VI and discuss how they can support the stabilization and efficient processing of yeast early LSU precursor RNAs.

  18. The coordinated key role of wet, mixed, and dry major mergers in the buildup of massive early-type galaxies at z<~1

    CERN Document Server

    Eliche-Moral, M Carmen; Gallego, Jesus; Zamorano, Jaime

    2010-01-01

    Hierarchical models predict that massive early-type galaxies (mETGs) derive from the most massive and violent merging sequences occurred in the Universe. However, the role of wet, mixed, and dry major mergers in the assembly of mETGs is questioned by some recent observations. We have developed a semi-analytical model to test the feasibility of the major-merger origin hypothesis for mETGs, just accounting for the effects on galaxy evolution of the major mergers strictly reported by observations. The model proves that it is feasible to reproduce the observed number density evolution of mETGs since z~1, just accounting for the coordinated effects of wet/mixed/dry major mergers. It can also reconcile the different assembly redshifts derived by hierarchical models and by mass downsizing data for mETGs, just considering that a mETG observed at a certain redshift is not necessarily in place since then. The model predicts that wet major mergers have controlled the mETGs buildup since z~1, although dry and mixed merge...

  19. On the buildup of massive early-type galaxies at z<~1. II- The coordinated key role of wet, mixed, and dry major mergers

    CERN Document Server

    Eliche-Moral, M C; Gallego, J; Zamorano, J

    2010-01-01

    Hierarchical models predict that present-day massive early-type galaxies (mETGs) have finished their assembly at a quite late cosmic epoch (z~0.5), conflicting directly with galaxy mass-downsizing. In Eliche-Moral et al. (2010), we presented a semi-analytical model that predicts the increase by a factor of ~2.5 observed in the number density of mETGs since z~1 to the present, just accounting for the effects of the major mergers strictly-reported by observations. Here, we describe the relative, coordinated role of wet, mixed, and dry major mergers in driving this assembly. Accordingly to observations, the model predicts that: 1) wet major mergers have controlled the mETGs buildup since z~1, although dry and mixed mergers have also contributed significantly to it; 2) the bulk of this assembly takes place during the ~1.4 Gyr time-period elapsed at 0.7

  20. Early

    OpenAIRE

    Houssiau, F A; Vasconcelos, C; D'Cruz, D; G.D. Sebastiani; DE RAMON GARRIDO, E.; Danieli, M.G.; ABRAMOVICZ, D.; Blockmans, D; Mathieu, A; Direskeneli, H; Galeazzi, M; Gul, A; Levy, Y; Petera, P.; Popovic, R.

    2004-01-01

    Arthritis Rheum. 2004 Dec;50(12):3934-40. Early response to immunosuppressive therapy predicts good renal outcome in lupus nephritis: lessons from long-term followup of patients in the Euro-Lupus Nephritis Trial. Houssiau FA, Vasconcelos C, D'Cruz D, Sebastiani GD, de Ramon Garrido E, Danieli MG, Abramovicz D, Blockmans D, Mathieu A, Direskeneli H, Galeazzi M, Gül A, Levy Y, Petera P, Popovic R, Petrovic R, Sinico RA, Cattaneo R, Font J, Depresseux G, Cosyns JP, Cervera R. Universi...

  1. Practically Coordinating

    OpenAIRE

    Durfee, Edmund H.

    1999-01-01

    To coordinate, intelligent agents might need to know something about themselves, about each other, about how others view themselves and others, about how others think others view themselves and others, and so on. Taken to an extreme, the amount of knowledge an agent might possess to coordinate its interactions with others might outstrip the agent's limited reasoning capacity (its available time, memory, and so on). Much of the work in studying and building multiagent systems has thus been dev...

  2. A ROLE FOR THE PRIMARY CILIUM IN PARACRINE SIGNALING BETWEEN MECHANICALLY STIMULATED OSTEOCYTES AND MESENCHYMAL STEM CELLS

    OpenAIRE

    Hoey, David A.; Kelly, Daniel J; Jacobs, Christopher R.

    2011-01-01

    Bone turnover is a mechanically regulated process, coordinated in part by the network of mechanosensitive osteocytes residing within the tissue. The recruitment and bone forming activity of the mesenchymal derived osteoblast is determined by numerous factors including mechanical loading. It is therefore somewhat surprising that although mechanically regulated signaling between the coordinating osteocytes and mesenchymal stem cells (MSCs) should exist, to date it has not been directly demonstr...

  3. A role for the primary cilium in paracrine signaling between mechanically stimulated osteocytes and mesenchymal stem cells.

    OpenAIRE

    Kelly, Daniel; HOEY, DAVID

    2011-01-01

    PUBLISHED Bone turnover is a mechanically regulated process, coordinated in part by the network of mechanosensitive osteocytes residing within the tissue. The recruitment and bone forming activity of the mesenchymal derived osteoblast is determined by numerous factors including mechanical loading. It is therefore somewhat surprising that although mechanically regulated signaling between the coordinating osteocytes and mesenchymal stem cells (MSCs) should exist, to date it has not been dire...

  4. Functional coordination of intraflagellar transport motors.

    Science.gov (United States)

    Ou, Guangshuo; Blacque, Oliver E; Snow, Joshua J; Leroux, Michel R; Scholey, Jonathan M

    2005-07-28

    Cilia have diverse roles in motility and sensory reception, and defects in cilia function contribute to ciliary diseases such as Bardet-Biedl syndrome (BBS). Intraflagellar transport (IFT) motors assemble and maintain cilia by transporting ciliary precursors, bound to protein complexes called IFT particles, from the base of the cilium to their site of incorporation at the distal tip. In Caenorhabditis elegans, this is accomplished by two IFT motors, kinesin-II and osmotic avoidance defective (OSM)-3 kinesin, which cooperate to form two sequential anterograde IFT pathways that build distinct parts of cilia. By observing the movement of fluorescent IFT motors and IFT particles along the cilia of numerous ciliary mutants, we identified three genes whose protein products mediate the functional coordination of these motors. The BBS proteins BBS-7 and BBS-8 are required to stabilize complexes of IFT particles containing both of the IFT motors, because IFT particles in bbs-7 and bbs-8 mutants break down into two subcomplexes, IFT-A and IFT-B, which are moved separately by kinesin-II and OSM-3 kinesin, respectively. A conserved ciliary protein, DYF-1, is specifically required for OSM-3 kinesin to dock onto and move IFT particles, because OSM-3 kinesin is inactive and intact IFT particles are moved by kinesin-II alone in dyf-1 mutants. These findings implicate BBS ciliary disease proteins and an OSM-3 kinesin activator in the formation of two IFT pathways that build functional cilia. PMID:16049494

  5. MK-801 impairs cognitive coordination on a rotating arena (Carousel) and contextual specificity of hippocampal immediate-early gene expression in a rat model of psychosis

    Czech Academy of Sciences Publication Activity Database

    Kubík, Štěpán; Buchtová, Helena; Valeš, Karel; Stuchlík, Aleš

    2014-01-01

    Roč. 8, Mar 12 (2014), s. 75. ISSN 1662-5153 R&D Projects: GA ČR(CZ) GPP303/10/P191 Grant ostatní: EC(XE) PIR06-GA/2009-256581 Institutional support: RVO:67985823 Keywords : cognitive coordination * learning * dizocilpine * animal model * psychosis Subject RIV: FH - Neurology Impact factor: 3.270, year: 2014

  6. Fabrication and characterization of a magnetic micro-actuator based on deformable Fe-doped PDMS artificial cilium using 3D printing

    International Nuclear Information System (INIS)

    This paper proposes the use of a 3D extrusion printer to fabricate artificial magnetic cilium. The cilia are fabricated using polydimethylsiloxane (PDMS) doped with iron particles so that they remain slender and flexible. They can be driven by a magnetic field to closely mimic the behaviour of biological cilia. Doping iron particles to the polymers has already been done; however, to the best of our knowledge, printing such active and soft magnetic structures has not. The existing methods for manufacturing magnetic polymeric structures are complex and difficult to use for the fabrication of micro-sized high-aspect-ratio cilia. The 3D printing technique we propose here is simple and inexpensive compared to previously suggested fabrication methods. In this study, free-standing magnetic PDMS cilia were fabricated in different sizes up to 5 mm in length and 1 mm in width. The stress-strain curves of the PDMS cilia were experimentally obtained to quantify the effect of the concentration of the iron particles on the modulus of elasticity of the cilia. The higher the iron concentration, the higher the modulus of elasticity. We have quantified the characteristics of the cilia made of 40% w/w iron particles in PDMS. A single cilium (5 × 1 × 0.0035 mm) can output up to 27 μN blocking force under a magnetic field of 160 mT. These cilia can be used as a mixer in lap-on-chip applications and as the anchoring and propulsion legs of endoscopic capsule robots operating within the gastrointestinal tract of humans. Analytical expressions estimating the blocking force are established and compared with the experimental results. (paper)

  7. MK-801 Impairs Cognitive Coordination on a Rotating Arena (Carousel) and Contextual Specificity of Hippocampal Immediate-Early Gene Expression in a Rat Model of Psychosis

    OpenAIRE

    Kubík, Štěpán; Buchtová, Helena; Valeš, Karel; Stuchlík, Aleš

    2014-01-01

    Flexible behavior in dynamic, real-world environments requires more than static spatial learning and memory. Discordant and unstable cues must be organized in coherent subsets to give rise to meaningful spatial representations. We model this form of cognitive coordination on a rotating arena – Carousel where arena- and room-bound spatial cues are dissociated. Hippocampal neuronal ensemble activity can repeatedly switch between multiple representations of such an environment. Injection of tetr...

  8. MK-801 impairs cognitive coordination on a rotating arena (Carousel) and contextual specificity of hippocampal immediate-early gene expression in a rat model of psychosis

    OpenAIRE

    Štěpán eKubík; Helena eBuchtová; Karel eValeš; Aleš eStuchlík

    2014-01-01

    Flexible behavior in dynamic, real-world environments requires more than static spatial learning and memory. Discordant and unstable cues must be organized in coherent subsets to give rise to meaningful spatial representations. We model this form of cognitive coordination on a rotating arena - Carousel where arena- and room-bound spatial cues are dissociated. Hippocampal neuronal ensemble activity can repeatedly switch between multiple representations of such an environment. Injection of tetr...

  9. Co-ordinated research project on isotopic techniques to examine the significance of infection and other insults in early childhood to diarrhoea morbidity, mal-assimilation and failure to thrive. Report on the first research co-ordination meeting

    International Nuclear Information System (INIS)

    This Co-ordinated Research Project (CRP) addresses an important public health issue in many developing areas, which is the existence of high rates of infection and diarrhoea disease and its deleterious effects on the health and nutritional status of infants and children around the world. Persistent diarrhoea with associated malnutrition remains a major cause of morbidity and mortality in the developing countries. There are established relations between diarrhoea disease and Helicobacter pylori infection and the latter may also additionally specifically impair nutrient absorption. Helicobacter pylori infection is likely to be the most common world wide bacterial infection, and it is estimated that approximately 50% of the general population is affected. The World Health Organisation has classified H. pylori as a Group 1 carcinogen. Young children in developing countries are the main targets of infection, with a substantial risk of developing gastric carcinoma during adulthood. High infection rates of H. pylori among new-borns and young children in developing nations appear to be a major cause for chronic under-nutrition and diarrhoea syndrome with failure to thrive. This bacterium can survive in the acidic interior of the human stomach due to its capacity to secrete an enzyme called urease, which decomposes the urea contained in the stomach's interior into ammonia and carbon dioxide increasing the pH move underneath the protective mucous membrane in the stomach where it is protected from the caustic stomach acid. This transitory drop in stomach acidity, explained by a diminished gastric secretion and an increase in ammonia production during infection, promotes the transit of lower bowel pathogens leading to repeated gastrointestinal infections, causing diarrhoea and adverse consequences on nutrition and growth. This CRP seeks to identify and assist research groups in developing countries, which plan to conduct studies on the area of H. pylori infection and its

  10. TECHNICAL COORDINATION

    CERN Multimedia

    A. Ball

    Overview From a technical perspective, CMS has been in “beam operation” state since 6th November. The detector is fully closed with all components operational and the magnetic field is normally at the nominal 3.8T. The UXC cavern is normally closed with the radiation veto set. Access to UXC is now only possible during downtimes of LHC. Such accesses must be carefully planned, documented and carried out in agreement with CMS Technical Coordination, Experimental Area Management, LHC programme coordination and the CCC. Material flow in and out of UXC is now strictly controlled. Access to USC remains possible at any time, although, for safety reasons, it is necessary to register with the shift crew in the control room before going down.It is obligatory for all material leaving UXC to pass through the underground buffer zone for RP scanning, database entry and appropriate labeling for traceability. Technical coordination (notably Stephane Bally and Christoph Schaefer), the shift crew and run ...

  11. Coordinated unbundling

    DEFF Research Database (Denmark)

    Timmermans, Bram; Zabala-Iturriagagoitia, Jon Mikel

    2013-01-01

    not focused on the role this policy instrument can play in the promotion of (knowledge-intensive) entrepreneurship. This paper investigates this link in more detail and introduces the concept of coordinated unbundling as a strategy that can facilitate this purpose. We also present a framework on how......Public procurement for innovation is a matter of using public demand to trigger innovation. Empirical studies have demonstrated that demand-based policy instruments can be considered to be a powerful tool in stimulating innovative processes among existing firms; however, the existing literature has...

  12. TECHNICAL COORDINATION

    CERN Multimedia

    A. Ball

    2010-01-01

    Operational Experience At the end of the first full-year running period of LHC, CMS is established as a reliable, robust and mature experiment. In particular common systems and infrastructure faults accounted for <0.6 % CMS downtime during LHC pp physics. Technical operation throughout the entire year was rather smooth, the main faults requiring UXC access being sub-detector power systems and rack-cooling turbines. All such problems were corrected during scheduled technical stops, in the shadow of tunnel access needed by the LHC, or in negotiated accesses or access extensions. Nevertheless, the number of necessary accesses to the UXC averaged more than one per week and the technical stops were inevitably packed with work packages, typically 30 being executed within a few days, placing a high load on the coordination and area management teams. It is an appropriate moment for CMS Technical Coordination to thank all those in many CERN departments and in the Collaboration, who were involved in CMS techni...

  13. 急性脑梗死早期行微导管动脉溶栓治疗的护理%The nursing coordination of acute cerebral infarction patients undergoing early arterial thrombolysis

    Institute of Scientific and Technical Information of China (English)

    陈叶香; 易萍; 吕美云

    2011-01-01

    目的 探讨急性脑梗死早期动脉溶栓治疗护理配合的重要性.方法 对37例急性脑梗死早期选择性行微导管动脉溶栓治疗的患者,进行规范的术前准备、术中护理配合、术后的病情观察与护理.结果 37例患者治疗3个月后随访,21例发病6 h内行动脉溶栓治疗预后好的患者占80.95%,16例发病6~24 h行动脉溶栓治疗预后好的患者占68.75%,提高了患者的生存质量.结论 急性脑梗死早期选择性行微导管动脉溶栓治疗疗效良好,行微导管动脉溶栓治疗中规范的术前准备、术中护理配合、术后的病情观察与护理至关重要.%Objective To approach the importance of nursing coordination of early arterial thrombolysis in acute cerebral infarction (ACI). Methods 37 cases of ACI early selective micro-catheter arterial thrombolytic therapy were observed and nursed after the standard preoperative preparation, intraoperative nursing coordination, postoperative condition observation and nursing care. Results 80.95% of 21cases had much improvement of symptoms after arterial thrombolytic therapy and care within 6h;68.75% within 6 ~ 24 h. The rate of disability in patients with ACI were significantly reduced and the quality of life of patients were improved.Conclusions Early selective micro-catheter arterial thrombolytic therapy is of benefit for the acute cerebral infarction patient. The standard preoperative preparation, intraoperative nursing coordination, postoperative condition observation and nursing care are essential.

  14. Coordination Capacity

    CERN Document Server

    Cuff, Paul; Cover, Thomas

    2009-01-01

    We develop elements of a theory of cooperation and coordination in networks. Rather than considering a communication network as a means of distributing information, or of reconstructing random processes at remote nodes, we ask what dependence can be established among the nodes given the communication constraints. Specifically, in a network with communication rates between the nodes, we ask what is the set of all achievable joint distributions p(x1, ..., xm) of actions at the nodes on the network. Several networks are solved, including arbitrarily large cascade networks. Distributed cooperation can be the solution to many problems such as distributed games, distributed control, and establishing mutual information bounds on the influence of one part of a physical system on another.

  15. Libraries of RGD analogs, labeled through ReO3+ or TcO3+ coordination, targeting αVβ3 integrin: development of tracers for the early detection of tumor neo-angiogenesis

    International Nuclear Information System (INIS)

    Integrins form a family of hetero-dimeric integral glycoproteins which play a central role in cell-cell adhesion and cell-matrix interactions. In particular, they are over expressed during tumor neo-angiogenesis. About 10 of them recognize a structured RGD (Arg-Gly-Asp) sequence. Analogs of this sequence can be used for the early detection of tumors and metastases. We developed new tracers, labeled with 99mTc, for the molecular imaging of αVβ3 integrin. Until recently, there was no reliable ab initio structure prediction of complex molecules containing Re and Tc chelates. Therefore, we preferred a combinatorial approach to develop potential ligands of αVβ3 integrin and we attempted to identify efficient tracers by in vivo screening. This method would account for biodistribution and pharmacokinetics properties in the early steps of the study. Tracers were obtained according two strategies: i) cyclization of linear RGD analogs; ii) combinatorial assembling of independent modules through metal core coordination by the well-known NS2+S motif. After synthesis and labeling, the stability of the tracers was investigated in presence of glutathione and in murine plasma. In vitro screening on purified integrin showed that a cyclic rhenium coordinate binds specifically αVβ3. A tumor model (U87-MG tumor on nude mice) was validated in the laboratory and a method was developed to analyze in vivo experiments. Biodistribution data and percentage of activity found in tumors are encouraging for cyclic compounds though identification of efficient tracers is difficult due to their instability in the conditions of analyses. (author)

  16. MDM4/HIPK2/p53 cytoplasmic assembly uncovers coordinated repression of molecules with anti-apoptotic activity during early DNA damage response.

    Science.gov (United States)

    Mancini, F; Pieroni, L; Monteleone, V; Lucà, R; Fici, L; Luca, E; Urbani, A; Xiong, S; Soddu, S; Masetti, R; Lozano, G; Pontecorvi, A; Moretti, F

    2016-01-14

    The p53 inhibitor, MDM4 (MDMX) is a cytoplasmic protein with p53-activating function under DNA damage conditions. Particularly, MDM4 promotes phosphorylation of p53 at Ser46, a modification that precedes different p53 activities. We investigated the mechanism by which MDM4 promotes this p53 modification and its consequences in untransformed mammary epithelial cells and tissues. In response to severe DNA damage, MDM4 stimulates p53Ser46(P) by binding and stabilizing serine-threonine kinase HIPK2. Under these conditions, the p53-inhibitory complex, MDM4/MDM2, dissociates and this allows MDM4 to promote p53/HIPK2 functional interaction. Comparative proteomic analysis of DNA damage-treated cells versus -untreated cells evidenced a diffuse downregulation of proteins with anti-apoptotic activity, some of which were targets of p53Ser46(P)/HIPK2 repressive activity. Importantly, MDM4 depletion abolishes the downregulation of these proteins indicating the requirement of MDM4 to promote p53-mediated transcriptional repression. Consistently, MDM4-mediated HIPK2/p53 activation precedes HIPK2/p53 nuclear translocation and activity. Noteworthy, repression of these proteins was evident also in mammary glands of mice subjected to γ-irradiation and was significantly enhanced in transgenic mice overexpressing MDM4. This study evidences the flexibility of MDM2/MDM4 heterodimer, which allows the development of a positive activity of cytoplasmic MDM4 towards p53-mediated transcriptional function. Noteworthy, this activity uncovers coordinated repression of molecules with shared anti-apoptotic function which precedes active cell apoptosis and that are frequently overexpressed and/or markers of tumour phenotype in human cancer. PMID:25961923

  17. RUN COORDINATION

    CERN Multimedia

    C. Delaere

    2013-01-01

    Since the LHC ceased operations in February, a lot has been going on at Point 5, and Run Coordination continues to monitor closely the advance of maintenance and upgrade activities. In the last months, the Pixel detector was extracted and is now stored in the pixel lab in SX5; the beam pipe has been removed and ME1/1 removal has started. We regained access to the vactank and some work on the RBX of HB has started. Since mid-June, electricity and cooling are back in S1 and S2, allowing us to turn equipment back on, at least during the day. 24/7 shifts are not foreseen in the next weeks, and safety tours are mandatory to keep equipment on overnight, but re-commissioning activities are slowly being resumed. Given the (slight) delays accumulated in LS1, it was decided to merge the two global runs initially foreseen into a single exercise during the week of 4 November 2013. The aim of the global run is to check that we can run (parts of) CMS after several months switched off, with the new VME PCs installed, th...

  18. RUN COORDINATION

    CERN Multimedia

    Christophe Delaere

    2013-01-01

    The focus of Run Coordination during LS1 is to monitor closely the advance of maintenance and upgrade activities, to smooth interactions between subsystems and to ensure that all are ready in time to resume operations in 2015 with a fully calibrated and understood detector. After electricity and cooling were restored to all equipment, at about the time of the last CMS week, recommissioning activities were resumed for all subsystems. On 7 October, DCS shifts began 24/7 to allow subsystems to remain on to facilitate operations. That culminated with the Global Run in November (GriN), which   took place as scheduled during the week of 4 November. The GriN has been the first centrally managed operation since the beginning of LS1, and involved all subdetectors but the Pixel Tracker presently in a lab upstairs. All nights were therefore dedicated to long stable runs with as many subdetectors as possible. Among the many achievements in that week, three items may be highlighted. First, the Strip...

  19. TECHNICAL COORDINATION

    CERN Multimedia

    Austin Ball

    2013-01-01

      Since the last report, much visible progress has been made, as the LS1 programme approaches the halfway point. From early October, technical and safety shift-crew have been present around the clock, allowing detectors to stay switched on overnight, ensuring that safety systems are operational and instructions for non-expert shift-crew are clear. LS1 progress Throughout the summer, whilst the solenoid vacuum tank and YB0 surfaces were accessible, an extensive installation programme took place to prepare for Tracker colder operation and the PLT installation, in 2014, the Phase 1 Pixel Tracker installation, in 2016–’17, and the HCAL Phase 1 upgrade completion, ending in LS2. This included pipework for N2 or dry air to flush the Tracker bulkhead region, many sensors to monitor temperature and dew point in the Tracker and its service channels, heating wires outside the Tracker cooling bundles, supports for the new vacuum-jacketed, concentric, CO2 Pixel cooling lines, the PLT cool...

  20. Designinig Coordination among Human and Software Agents

    OpenAIRE

    Perini, Anna; Susi, Angelo; Giunchiglia, Fausto

    2002-01-01

    The goal of this paper is to propose a new methodology for designing coordination between human angents and software agents and, ultimately, among software agents. The methodology is based on two key ideas. The first is that coordination should be designed in steps, according to a precise software engineering methodology, and starting from the specification of early requirements. The second is that coordination should be modeled as dependency between actors. Two actors may depend on one anoth...

  1. Cilium adhesin P216 (MHJ_0493) is a target of ectodomain shedding and aminopeptidase activity on the surface of Mycoplasma hyopneumoniae.

    Science.gov (United States)

    Tacchi, Jessica L; Raymond, Benjamin B A; Jarocki, Veronica M; Berry, Iain J; Padula, Matthew P; Djordjevic, Steven P

    2014-06-01

    MHJ_0493 (P216) is a highly expressed cilium adhesin in Mycoplasma hyopneumoniae. P216 undergoes cleavage at position 1074 in the S/T-X-F↓-X-D/E-like motif (1072)T-N-F↓Q-E(1076) generating N-terminal and C-terminal fragments of 120 kDa (P120) and 85 kDa (P85) on the surface of M. hyopneumoniae. Here we show that several S/T-X-F↓X-D/E-like motifs exist in P216 but only (1072)T-N-F↓Q-E(1076) and (1344)I-T-F↓A-D-Y(1349) were determined to be bona fide processing sites by identifying semitryptic peptides consistent with cleavage at the phenylalanine residue. The location of S/T-X-F↓-X-D/E-like motifs within or abutting regions of protein disorder greater than 40 consecutive amino acids is consistent with our hypothesis that site access influences the cleavage efficiency. Approximately 20 cleavage fragments of P216 were identified on the surface of M. hyopneumoniae by LC-MS/MS analysis of biotinylated proteins and 2D SDS-PAGE. LC-MS/MS analysis of semitryptic peptides within P216 identified novel cleavage sites. Moreover, detection of a series of overlapping semitryptic peptides that differed by the loss a single amino acid at their N-terminus is consistent with aminopeptidase activity on the surface of M. hyopneumoniae. P120 and P85 and their cleavage fragments bind heparin and cell-surface proteins derived from porcine epithelial-like cells, indicating that P216 cleavage fragments retain the ability to bind glycosaminoglycans. PMID:24804907

  2. Co-ordinated research project on use of isotopic techniques to examine the significance of infection and other insults in early childhood to diarrhoea morbidity, mal-assimilation and failure to thrive. Report on the final research co-ordination meeting

    International Nuclear Information System (INIS)

    Helicobacter pylori has been recognized as a major etiologic factor in the development of chronic gastritis and peptic ulcer disease in adults and children. The infection has been linked to the development of gastric cancer, and in 1994 was classified as a group 1 carcinogen by the International Agency for Research on Cancer. The prevalence of H. pylori infection is inversely correlated to the socio-economic development and to unsatisfactory prevailing sanitary conditions. In developing countries, up to 90% of the adult population is colonized with this agent. In contrast, its prevalence in developed countries is lower, ranging from 25 to 50%. H. pylori colonization has been considered a public health problem, since its highest incidence occurs during the first few years of life, when children are growing and developing rapidly. The acquisition of the infection occurs mainly in early childhood, especially in developing countries, but the age at which it is acquired remains unknown. Infection with H. pylori during early infancy could be the initial step of a reaction which facilitates enteric infection in childhood leading to recurrent diarrhoea, malnutrition and growth failure. Micronutrient deficiencies resulting from these conditions may in turn facilitate malnutrition, immunological dysfunction and the persistence of infection. The 13C-urea breath test (13C-UBT), which has been used extensively in developed countries, is a technique that is non invasive, reliable, comparatively cheap and without risk to patients. It is also convenient for use in field-based settings; it is currently considered the 'gold standard' against which all other techniques are compared. The International Atomic Energy Agency (IAEA), initiated the current Coordinated Research Project (CRP) with the principal objective of promoting the use of the 13C-urea breath test technique in the participating countries to study the prevalence of Helicobacter pylori and its impact on health and

  3. Limitations of Radar Coordinates

    OpenAIRE

    Bini, Donato; Lusanna, Luca; Mashhoon, Bahram

    2004-01-01

    The construction of a radar coordinate system about the world line of an observer is discussed. Radar coordinates for a hyperbolic observer as well as a uniformly rotating observer are described in detail. The utility of the notion of radar distance and the admissibility of radar coordinates are investigated. Our results provide a critical assessment of the physical significance of radar coordinates.

  4. Colorado Guidelines for Service Coordination: Early Childhood Connections for Infants, Toddlers & Families = Guia para la Coordinacion de Servicios de Colorado: Conexiones para la Ninez Temprana para los Infantes, Parvulos y las Familias.

    Science.gov (United States)

    Miller, Jerri; Petersen, Sandy

    The Individuals with Disabilities Education Act entitles each family with an eligible infant or toddler to service coordination at no cost to them. This publication sets forth guidelines and describes the vision for how service coordination will be provided to families in Colorado. The publication, in English and Spanish versions, notes that…

  5. Coordination and Cooperation

    OpenAIRE

    Janssen, Maarten

    2003-01-01

    textabstractThis comment makes four related points. First, explaining coordination is different from explaining cooperation. Second, solving the coordination problem is more important for the theory of games than solving the cooperation problem. Third, a version of the Principle of Coordination can be rationalized on individualistic grounds. Finally, psychological game theory should consider how players perceive their gaming situation. ---------------------------------------------------------...

  6. A Coordination Theory

    OpenAIRE

    J. Foss, Nicolai

    2009-01-01

    Important aspects of leadership behavior can be rendered intelligible through a focus on coordination games. The concept of common knowledge is shown to be particularly important to understanding leadership. Thus, leaders may establish common knowledge conditions and assist the coordination of strategies in this way, or make decisions in situations where coordination problems persist in spite of common knowledge.

  7. Quantifying linguistic coordination

    DEFF Research Database (Denmark)

    Fusaroli, Riccardo; Tylén, Kristian

    task (Bahrami et al 2010, Fusaroli et al. 2012) we extend to linguistic coordination dynamical measures of recurrence employed in the analysis of sensorimotor coordination (such as heart-rate (Konvalinka et al 2011), postural sway (Shockley 2005) and eye-movements (Dale, Richardson and Kirkham 2012...... linguistic coordination and their effects at a fine-degree....

  8. Adventures in Coordinate Space

    Science.gov (United States)

    Chambers, J. E.

    2003-08-01

    A variety of coordinate systems have been used to study the N-body problem for cases involving a dominant central mass. These include the traditional Keplerian orbital elements and the canonical Delaunay variables, which both incorporate conserved quantities of the two-body problem. Recently, Cartesian coordinate systems have returned to favour with the rise of mixed-variable symplectic integrators, since these coordinates prove to be more efficient than using orbital elements. Three sets of canonical Cartesian coordinates are well known, each with its own advantages and disadvantages. Inertial coordinates (which include barycentric coordinates as a special case) are the simplest and easiest to implement. However, they suffer from the disadvantage that the motion of the central body must be calculated explicitly, leading to relatively large errors in general. Jacobi coordinates overcome this problem by replacing the coordinates and momenta of the central body with those of the system as a whole, so that momentum is conserved exactly. This leads to substantial improvements in accuracy, but has the disadvantage that every object is treated differently, and interactions between each pair of bodies are now expressed in a complicated manner involving the coordinates of many bodies. Canonical heliocentric coordinates (also known as democratic heliocentric coordinates) treat all bodies equally, and conserve the centre of mass motion, but at the cost of introducing momentum cross terms into the kinetic energy. This complicates the development of higher order symplectic integrators and symplectic correctors, as well as the development of methods used to resolve close encounters with the central body. Here I will re-examine the set of possible canonical Cartesian coordinate systems to determine if it is possible to (a) conserve the centre of mass motion, (b) treat all bodies equally, and (c) eliminate the momentum cross terms. I will demonstrate that this is indeed possible

  9. Mapping brains without coordinates

    OpenAIRE

    Kötter, Rolf; Wanke, Egon

    2005-01-01

    Brain mapping has evolved considerably over the last century. While most emphasis has been placed on coordinate-based spatial atlases, coordinate-independent parcellation-based mapping is an important technique for accessing the multitude of structural and functional data that have been reported from invasive experiments, and provides for flexible and efficient representations of information. Here, we provide an introduction to motivations, concepts, techniques and implications of coordinate-...

  10. Adaptive Coordinate Descent

    OpenAIRE

    Loshchilov, Ilya; Schoenauer, Marc; Sebag, Michèle

    2011-01-01

    Independence from the coordinate system is one source of efficiency and robustness for the Covariance Matrix Adaptation Evolution Strategy (CMA-ES). The recently proposed Adaptive Encoding (AE) procedure generalizes CMA-ES adaptive mechanism, and can be used together with any optimization algorithm. Adaptive Encoding gradually builds a transformation of the coordinate system such that the new coordinates are as decorrelated as possible with respect to the objective function. But any optimizat...

  11. IVS Technology Coordinator Report

    Science.gov (United States)

    Whitney, Alan

    2013-01-01

    This report of the Technology Coordinator includes the following: 1) continued work to implement the new VLBI2010 system, 2) the 1st International VLBI Technology Workshop, 3) a VLBI Digital- Backend Intercomparison Workshop, 4) DiFX software correlator development for geodetic VLBI, 5) a review of progress towards global VLBI standards, and 6) a welcome to new IVS Technology Coordinator Bill Petrachenko.

  12. Coordinate measuring machines

    DEFF Research Database (Denmark)

    De Chiffre, Leonardo

    This document is used in connection with three exercises of 2 hours duration as a part of the course GEOMETRICAL METROLOGY AND MACHINE TESTING. The exercises concern three aspects of coordinate measuring: 1) Measuring and verification of tolerances on coordinate measuring machines, 2) Traceabilit...

  13. Physical Development: Building Strength and Coordination

    Science.gov (United States)

    Strickland, Eric

    2004-01-01

    Strength and coordination are two areas of physical development that seem almost to "take care of themselves"--which may be the reason why they are often overlooked when curriculum planning is under way in many early childhood settings. After all, children are going to get stronger as they grow older, thus, they will also become more coordinated…

  14. On Reaction Coordinate Optimality.

    Science.gov (United States)

    Krivov, Sergei V

    2013-01-01

    The following question is addressed: how to establish that a constructed reaction coordinate is optimal, i.e., that it provides an accurate description of dynamics. It is shown that the reaction coordinate is optimal if its cut free energy profile, determined using length-weighted transitions, is constant, i.e., it is position and sampling interval independent. The observation leads to a number of interesting results. In particular, the equilibrium flux between two boundary states can be computed exactly as diffusion on a free energy profile associated with the coordinate. The mean square displacement, for the trajectory projected onto the coordinate, grows linear with time. That for the same trajectory projected onto a suboptimal coordinate grows slower than linear with time. The results are illustrated on a number of model systems, Sierpinski gasket, FIP35 protein, and beta3s peptide. PMID:26589017

  15. Coordination failure caused by sunspots

    DEFF Research Database (Denmark)

    Beugnot, Julie; Gürgüç, Zeynep; Øvlisen, Frederik Roose; Roos, Michael M. W.

    2012-01-01

    In a coordination game with Pareto-ranked equilibria, we study whether a sunspot can lead to either coordination on an inferior equilibrium (mis-coordination) or to out-of equilibrium behavior (dis-coordination). While much of the literature searches for mechanisms to attain coordination on the e......-dominant equilibrium, but in the sunspot treatment, dis-coordination is frequent. Sunspots lead to significant inefficiency, and we conclude that sunspots can indeed cause coordination failure....

  16. Correlation between BMI and motor coordination in children

    OpenAIRE

    Vítor P. Lopes; Stodden, David F.; Bianchi, Mafalda M.; Maia, José A. R.; Rodrigues, Luis Paulo

    2012-01-01

    Objectives: To analyze the association between motor coordination (MC) and body mass index (BMI) across childhood and early adolescence. Design: This study is cross-sectional. Methods: Data were collected in 7175 children (boys n = 3616, girls n = 3559), ages 6–14 years. BMI was calculated from measured height and weight [body mass (kg)/height (m2)]. Motor coordination was evaluated using Kiphard-Schilling’s body coordination test (KTK). Spearman’s rank correlation was used to study ...

  17. Coordination in Organizations: A Game-Theoretic Perspective

    OpenAIRE

    Camerer, Colin F.; Knez, Marc

    1996-01-01

    Classic literature on organizations recognizes that the paramount function of an organization is the coordination of physical and human assets to produce a good or service (e.g., Barnard, 1938; Chisholm, 1989; Schein, 1985). Coordination in this early literature was defined broadly, as for example by Mooney (1947, p. 5): "Coordination therefore, is the orderly arrangement of group effort, to provide unity of action in the pursuit of a common purpose." Mooney argues further t...

  18. Supercritical Airfoil Coordinates

    Data.gov (United States)

    National Aeronautics and Space Administration — Rectangular Supercritical Wing (Ricketts) - design and measured locations are provided in an Excel file RSW_airfoil_coordinates_ricketts.xls . One sheet is with Non...

  19. Movement and Coordination

    Science.gov (United States)

    ... in Action Medical Editor & Editorial Advisory Board Sponsors Sponsorship Opporunities Spread the Word Shop AAP Find a Pediatrician ... Movement and Coordination Page Content Article Body At this age, your child will seem to be continually on the go— ...

  20. Coordination and Policy Traps

    OpenAIRE

    Angeletos, George-Marios; Hellwig, Christian; Pavan, Alessandro

    2003-01-01

    This paper examines the ability of a policy maker to control equilibrium outcomes in an environment where market participants play a coordination game with information heterogeneity. We consider defense policies against speculative currency attacks in a model where speculators observe the fundamentals with idiosyncratic noise. The policy maker is willing to take a costly policy action only for moderate fundamentals. Market participants can use this information to coordinate on di.erent respon...

  1. Attribute coordination in organizations

    OpenAIRE

    Yingyi Qian; Gerard Roland; Chenggang Xu

    2001-01-01

    We study coordination in organizations with a variety of organizational forms. Coordination in organization is modeled as the adjustment of attributes and capacities of tasks when facing external shocks. An M-form (U-form) organization groups complementary (substitutable) tasks together in one unit. In the presence of only attribute shocks, particularly when gains from specialization are small, communication is poor, or shocks are more likely, the expected payoff of the decentralized M-form i...

  2. Continuous parallel coordinates.

    Science.gov (United States)

    Heinrich, Julian; Weiskopf, Daniel

    2009-01-01

    Typical scientific data is represented on a grid with appropriate interpolation or approximation schemes,defined on a continuous domain. The visualization of such data in parallel coordinates may reveal patterns latently contained in the data and thus can improve the understanding of multidimensional relations. In this paper, we adopt the concept of continuous scatterplots for the visualization of spatially continuous input data to derive a density model for parallel coordinates. Based on the point-line duality between scatterplots and parallel coordinates, we propose a mathematical model that maps density from a continuous scatterplot to parallel coordinates and present different algorithms for both numerical and analytical computation of the resulting density field. In addition, we show how the 2-D model can be used to successively construct continuous parallel coordinates with an arbitrary number of dimensions. Since continuous parallel coordinates interpolate data values within grid cells, a scalable and dense visualization is achieved, which will be demonstrated for typical multi-variate scientific data. PMID:19834230

  3. Magnetic Coordinate Systems

    Science.gov (United States)

    Laundal, K. M.; Richmond, A. D.

    2016-07-01

    Geospace phenomena such as the aurora, plasma motion, ionospheric currents and associated magnetic field disturbances are highly organized by Earth's main magnetic field. This is due to the fact that the charged particles that comprise space plasma can move almost freely along magnetic field lines, but not across them. For this reason it is sensible to present such phenomena relative to Earth's magnetic field. A large variety of magnetic coordinate systems exist, designed for different purposes and regions, ranging from the magnetopause to the ionosphere. In this paper we review the most common magnetic coordinate systems and describe how they are defined, where they are used, and how to convert between them. The definitions are presented based on the spherical harmonic expansion coefficients of the International Geomagnetic Reference Field (IGRF) and, in some of the coordinate systems, the position of the Sun which we show how to calculate from the time and date. The most detailed coordinate systems take the full IGRF into account and define magnetic latitude and longitude such that they are constant along field lines. These coordinate systems, which are useful at ionospheric altitudes, are non-orthogonal. We show how to handle vectors and vector calculus in such coordinates, and discuss how systematic errors may appear if this is not done correctly.

  4. Generator Coordinate Truncations

    CERN Document Server

    Hagino, K; Reinhard, P G

    2003-01-01

    We investigate the accuracy of several schemes to calculate ground-state correlation energies using the generator coordinate technique. Our test-bed for the study is the $sd$ interacting boson model, equivalent to a 6-level Lipkin-type model. We find that the simplified projection of a triaxial generator coordinate state using the $S_3$ subgroup of the rotation group is not very accurate in the parameter space of the Hamiltonian of interest. On the other hand, a full rotational projection of an axial generator coordinate state gives remarkable accuracy. We also discuss the validity of the simplified treatment using the extended Gaussian overlap approximation (top-GOA), and show that it works reasonably well when the number of boson is four or larger.

  5. Coordination and citizen participation.

    Science.gov (United States)

    Tucker, D J

    1980-03-01

    This study investigates the validity of the assumption that coordination and citizen participation are related inversely and, thus, are incompatible as features in the same social service reform strategy. Seventeen social service organizations situated in the same urban area were studied. Data were obtained by structured interview. The concepts of coordination and citizen participation were operationalized by means of scales. The findings support the validity of the assumption noted above. Although interpretations of the findings can be provided, they are post-factum. This implies a need for explanatory research which might be guided by theories of community power structure and of organizational behavior. PMID:10246483

  6. Introduction to Coordination Chemistry

    CERN Document Server

    Lawrance, Geoffrey Alan

    2010-01-01

    Introduction to Coordination Chemistry examines and explains how metals and molecules that bind as ligands interact, and the consequences of this assembly process. This book describes the chemical and physical properties and behavior of the complex assemblies that form, and applications that may arise as a result of these properties. Coordination complexes are an important but often hidden part of our world?even part of us?and what they do is probed in this book. This book distills the essence of this topic for undergraduate students and for research scientists.

  7. Recursive Advice for Coordination

    DEFF Research Database (Denmark)

    Terepeta, Michal Tomasz; Nielson, Hanne Riis; Nielson, Flemming

    Aspect-oriented programming is a programming paradigm that is often praised for the ability to create modular software and separate cross-cutting concerns. Recently aspects have been also considered in the context of coordination languages, offering similar advantages. However, introducing aspect...... systems. Even though primarily used for analysis of recursive programs, we are able to adapt them to fit this new context....

  8. Coordination of mobile labor

    Czech Academy of Sciences Publication Activity Database

    Steiner, Jakub

    2008-01-01

    Roč. 139, č. 1 (2008), s. 25-46. ISSN 0022-0531 R&D Projects: GA MŠk LC542 Institutional research plan: CEZ:AV0Z70850503 Keywords : coordination * general equilibrium * global game s Subject RIV: AH - Economics Impact factor: 1.224, year: 2008

  9. Facets of coordination chemistry

    CERN Document Server

    Agarwala, BV

    1993-01-01

    A concise account of coordination chemistry since its inception is given here together with some of the newer significant facets. This book covers a broad spectrum of various topics on Environment, Cyclic Voltammetry, Chromatography, Metal Complexes of biological interest, Alkoxides, NMR spectroscopy and others. These are useful to the scientific community engaged in the field of Inorganic Chemistry and Analytical Chemistry.

  10. Coordinating Work with Groupware

    DEFF Research Database (Denmark)

    Pors, Jens Kaaber; Simonsen, Jesper

    One important goal of employing groupware is to make possible complex collaboration between geographically distributed groups. This requires a dual transformation of both technology and work practice. The challenge is to re­duce the complexity of the coordination work by successfully inte­grating...

  11. The EHDI and Early Intervention Connection

    Science.gov (United States)

    Nelson, Lauri; Bradham, Tamala S.; Houston, K. Todd

    2011-01-01

    State coordinators of early hearing detection and intervention (EHDI) programs completed a strengths, weaknesses, opportunities, and threats, or SWOT, analysis that examined 12 areas within state EHDI programs. For the early intervention focus question, 48 coordinators listed 273 items, and themes were identified within each SWOT category. A…

  12. Conformal Fermi Coordinates

    CERN Document Server

    Dai, Liang; Schmidt, Fabian

    2015-01-01

    Fermi Normal Coordinates (FNC) are a useful frame for isolating the locally observable, physical effects of a long-wavelength spacetime perturbation. Their cosmological application, however, is hampered by the fact that they are only valid on scales much smaller than the horizon. We introduce a generalization that we call Conformal Fermi Coordinates (CFC). CFC preserve all the advantages of FNC, but in addition are valid outside the horizon. They allow us to calculate the coupling of long- and short-wavelength modes on all scales larger than the sound horizon of the cosmological fluid, starting from the epoch of inflation until today, by removing the complications of the second order Einstein equations to a large extent, and eliminating all gauge ambiguities. As an application, we present a calculation of the effect of long-wavelength tensor modes on small scale density fluctuations. We recover previous results, but clarify the physical content of the individual contributions in terms of locally measurable ef...

  13. Principles of Coordination Polymerisation

    Science.gov (United States)

    Kuran, Witold

    2001-11-01

    The first all-inclusive text covering coordination polymerisation, including important classes of non-hydrocarbon monomers. Charting the achievements and progress in the field, in terms of both basic and industrial research, this book offers a unified and complete overview of coordination polymerisation. Provides detailed description of the historical development of the subject Presents a unified view of catalysis, mechanisms, structures and utility Encourages learning through a step-by-step progression from basic to in-depth text Features end-of-chapter exercises to reinforce understanding Offers a full bibliography and comprehensive literature review Requisite reading for research students studying introductory and advanced courses in; polymer science, catalysis and polymerisation catalysis, and valuable reference for researchers and technicians in industry.

  14. Communication and interference coordination

    OpenAIRE

    Blasco-Serrano, Ricardo; Thobaben, Ragnar; Skoglund, Mikael

    2014-01-01

    We study the problem of controlling the interference created to an external observer by a communication processes. We model the interference in terms of its type (empirical distribution), and we analyze the consequences of placing constraints on the admissible type. Considering a single interfering link, we characterize the communication-interference capacity region. Then, we look at a scenario where the interference is jointly created by two users allowed to coordinate their actions prior to...

  15. Advertising and Coordination

    OpenAIRE

    1990-01-01

    We show that when relevant market information such as price is difficult to communicate, advertising plays a key role in bringing about optimal coordination of purchase behavior: an efficient firm uses advertising expenditures in place of price to inform sophisticated consumers that it offers a better deal. This provides a theoretical explanation for Benham's (1972) empirical association of the ability to advertise with lower prices and larger scale. We find that advertising improves welfare ...

  16. Global coordination: weighted voting

    Directory of Open Access Journals (Sweden)

    Jan-Erik Lane

    2014-03-01

    Full Text Available In order to halt the depletion of global ecological capital, a number of different kinds of meetings between Governments of countries in the world has been scheduled. The need for global coordination of environmental policies has become ever more obvious, supported by more and more evidence of the running down of ecological capital. But there are no formal or binding arrangements in sight, as global environmental coordination suffers from high transaction costs (qualitative voting. The CO2 equivalent emissions, resulting in global warming, are driven by the unstoppable economic expansion in the global market economy, employing mainly fossil fuel generated energy, although at the same time lifting sharply the GDP per capita of several emerging countries. Only global environmental coordination on the successful model of the World Band and the IMF (quantitative voting can stem the rising emissions numbers and stop further environmental degradation. However, the system of weighted voting in the WB and the IMF must be reformed by reducing the excessive voting power disparities, for instance by reducing all member country votes by the cube root expression.

  17. Improving Project Manufacturing Coordination

    Directory of Open Access Journals (Sweden)

    Korpivaara Ville

    2014-09-01

    Full Text Available The objective of this research is to develop firms’ project manufacturing coordination. The development will be made by centralizing the manufacturing information flows in one system. To be able to centralize information, a deep user need assessment is required. After user needs have been identified, the existing system will be developed to match these needs. The theoretical background is achieved through exploring the literature of project manufacturing, development project success factors and different frameworks and tools for development project execution. The focus of this research is rather in customer need assessment than in system’s technical expertise. To ensure the deep understanding of customer needs this study is executed by action research method. As a result of this research the information system for project manufacturing coordination was developed to respond revealed needs of the stakeholders. The new system improves the quality of the manufacturing information, eliminates waste in manufacturing coordination processes and offers a better visibility to the project manufacturing. Hence it provides a solid base for the further development of project manufacturing.

  18. Communication, leadership and coordination failure

    OpenAIRE

    Dong, Lu; Montero, Maria; Possajennikov, Alex

    2015-01-01

    Using experimental methods, this paper investigates the limits of communication and leadership in aiding group coordination in a minimum effort game. Choosing the highest effort is the payoff dominant Nash equilibrium in this game, and communication and leadership are expected to help in coordinating on such an equilibrium. We consider an environment in which the benefits of coordination are low compared to the cost of mis-coordination. In this environment, players converge to the most ineffi...

  19. Communication, Leadership and Coordination Failure

    OpenAIRE

    Lu Dong; Maria Montero; Alex Possajennikov

    2015-01-01

    Using experimental methods, this paper investigates the limits of communication and leadership in aiding group coordination in a minimum effort game. Choosing the highest effort is the payoff dominant Nash equilibrium in this game, and communication and leadership are expected to help in coordinating on such an equilibrium. We consider an environment in which the benefits of coordination are low compared to the cost of mis-coordination. In this environment, players converge to the most ineffi...

  20. Modeling Students' Units Coordinating Activity

    OpenAIRE

    Boyce, Steven James

    2014-01-01

    Primarily via constructivist teaching experiment methodology, units coordination (Steffe, 1992) has emerged as a useful construct for modeling students' psychological constructions pertaining to several mathematical domains, including counting sequences, whole number multiplicative conceptions, and fractions schemes. I describe how consideration of units coordination as a Piagetian (1970b) structure is useful for modeling units coordination across contexts. In this study, I extend teaching ...

  1. Lunar International Science Coordination/Calibration Targets

    Science.gov (United States)

    Head, J. W.; Issacson, P.; Petro, N.; Runyon, C.; Ohtake, M.; Foing, B.; Grande, M.

    2007-01-01

    A new era of international lunar exploration has begun and will expand over the next four years with data acquired from at least four sophisticated remote sensing missions: KAGUYA (SELENE) [Japan], Chang'E [China], Chandrayaan-l [India], and LRO [United States]. It is recognized that this combined activity at the Moon with modern sophisticated sensors wi II provide unprecedented new information about the Moon and will dramatically improve our understanding of Earth's nearest neighbor. It is anticipated that the blooming of scientific exploration of the Moon by nations involved in space activities will seed and foster peaceful international coordination and cooperation that will benefit all. Summarized here are eight Lunar International Science Coordination/Calibration Targets (L-ISCT) that are intended to a) allow cross-calibration of diverse multi-national instruments and b) provide a focus for training young scientists about a range of lunar science issues. The targets, discussed at several scientific forums, were selected for coordinated science and instrument calibration of orbital data. All instrument teams are encouraged to participate in a coordinated activity of early-release data that will improve calibration and validation of data across independent and diverse instruments.

  2. Accelerating coordination in temporal networks by engineering the link order

    Science.gov (United States)

    Masuda, Naoki

    2016-01-01

    Social dynamics on a network may be accelerated or decelerated depending on which pairs of individuals in the network communicate early and which pairs do later. The order with which the links in a given network are sequentially used, which we call the link order, may be a strong determinant of dynamical behaviour on networks, potentially adding a new dimension to effects of temporal networks relative to static networks. Here we study the effect of the link order on linear coordination (i.e., synchronisation) dynamics. We show that the coordination speed considerably depends on specific orders of links. In addition, applying each single link for a long time to ensure strong pairwise coordination before moving to a next pair of individuals does not often enhance coordination of the entire network. We also implement a simple greedy algorithm to optimise the link order in favour of fast coordination. PMID:26916093

  3. Accelerating coordination in temporal networks by engineering the link order

    Science.gov (United States)

    Masuda, Naoki

    2016-02-01

    Social dynamics on a network may be accelerated or decelerated depending on which pairs of individuals in the network communicate early and which pairs do later. The order with which the links in a given network are sequentially used, which we call the link order, may be a strong determinant of dynamical behaviour on networks, potentially adding a new dimension to effects of temporal networks relative to static networks. Here we study the effect of the link order on linear coordination (i.e., synchronisation) dynamics. We show that the coordination speed considerably depends on specific orders of links. In addition, applying each single link for a long time to ensure strong pairwise coordination before moving to a next pair of individuals does not often enhance coordination of the entire network. We also implement a simple greedy algorithm to optimise the link order in favour of fast coordination.

  4. Coordination Processes in International Organisations

    DEFF Research Database (Denmark)

    Nedergaard, Peter

    2008-01-01

    The EU is not a member of the International Labour Organisation (ILO), but relatively elaborate EU coordination takes place anyway. This paper addresses two research questions: 1) How is it possible to evaluate the coordination of the EU in its specific observable configuration in the ILO?, and 2......) To what outcome does this coordination lead and why? Based on an analysis of EU coordination before and during the International Labour Conference in 2005, and on a comparison with coordination processes of the IMEC group, it is found that the Commission and the Presidency act as twin-agents vis...

  5. Network Coordinator Report

    Science.gov (United States)

    Himwich, Ed; Strand, Richard

    2013-01-01

    This report includes an assessment of the network performance in terms of lost observing time for the 2012 calendar year. Overall, the observing time loss was about 12.3%, which is in-line with previous years. A table of relative incidence of problems with various subsystems is presented. The most significant identified causes of loss were electronics rack problems (accounting for about 21.8% of losses), antenna reliability (18.1%), RFI (11.8%), and receiver problems (11.7%). About 14.2% of the losses occurred for unknown reasons. New antennas are under development in the USA, Germany, and Spain. There are plans for new telescopes in Norway and Sweden. Other activities of the Network Coordinator are summarized.

  6. Coordination using Implicit Communication

    CERN Document Server

    Cuff, Paul

    2011-01-01

    We explore a basic noise-free signaling scenario where coordination and communication are naturally merged. A random signal X_1,...,X_n is processed to produce a control signal or action sequence A_1,...,A_n, which is observed and further processed (without access to X_1,...,X_n) to produce a third sequence B_1,...,B_n. The object of interest is the set of empirical joint distributions p(x,a,b) that can be achieved in this setting. We show that H(A) >= I(X;A,B) is the necessary and sufficient condition for achieving p(x,a,b) when no causality constraints are enforced on the encoders. We also give results for various causality constraints. This setting sheds light on the embedding of digital information in analog signals, a concept that is exploited in digital watermarking, steganography, cooperative communication, and strategic play in team games such as bridge.

  7. Coordinating Group report

    International Nuclear Information System (INIS)

    In December 1992, western governors and four federal agencies established a Federal Advisory Committee to Develop On-site Innovative Technologies for Environmental Restoration and Waste Management (the DOIT Committee). The purpose of the Committee is to advise the federal government on ways to improve waste cleanup technology development and the cleanup of federal sites in the West. The Committee directed in January 1993 that information be collected from a wide range of potential stakeholders and that innovative technology candidate projects be identified, organized, set in motion, and evaluated to test new partnerships, regulatory approaches, and technologies which will lead to improve site cleanup. Five working groups were organized, one to develop broad project selection and evaluation criteria and four to focus on specific contaminant problems. A Coordinating Group comprised of working group spokesmen and federal and state representatives, was set up to plan and organize the routine functioning of these working groups. The working groups were charged with defining particular contaminant problems; identifying shortcomings in technology development, stakeholder involvement, regulatory review, and commercialization which impede the resolution of these problems; and identifying candidate sites or technologies which could serve as regional innovative demonstration projects to test new approaches to overcome the shortcomings. This report from the Coordinating Group to the DOIT Committee highlights the key findings and opportunities uncovered by these fact-finding working groups. It provides a basis from which recommendations from the DOIT Committee to the federal government can be made. It also includes observations from two public roundtables, one on commercialization and another on regulatory and institutional barriers impeding technology development and cleanup

  8. Coordinating distributed work: Exploring situated coordination with gaming-simulation

    OpenAIRE

    van Laere, J.

    2003-01-01

    Organizational work has become more and more distributed nowadays. Information and communication technologies (ICT) provide opportunities to improve coordination of distributed work, but in practice many organizations struggle with integrating new organizational structures, new work practices and ICT. In this dissertation we present a design approach for improving the coordination of distributed work. First we develop an integrated view on coordination, based on observations of current coordi...

  9. 78 FR 73819 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2013-12-09

    ... Forest Service Forest Resource Coordinating Committee AGENCY: Forest Service, USDA. ACTION: Notice of...-18, 2013 meeting of the Forest Resource Coordinating Committee due to the Government partial shutdown... INFORMATION CONTACT: Maya Solomon, Forest Resource Coordinating Committee Program Coordinator; by phone...

  10. Coordinate transformations in quaternion spaces

    OpenAIRE

    Weng, Zihua

    2008-01-01

    The quaternion spaces can be used to describe the property of electromagnetic field and gravitational field. In the quaternion space, some coordinate transformations can be deduced from the feature of quaternions, including Lorentz transformation and Galilean transformation etc., when the coordinate system is transformed into others. And some coordinate transformations with variable speed of light can be obtained in the electromagnetic field and gravitational field.

  11. Enterprise Coordination on the Internet

    OpenAIRE

    Charles Petrie

    2011-01-01

    Enterprises are now connected internally and externally to other Enterprises via the Internet in ways that are increasingly difficult to manage, especially as these interconnections become more dynamic. Current methods of coordinating the effects of change as they propagate through these networks of connections are not likely to scale. What is needed is a new paradigm for how the Internet supports such coordination. Indeed, the Internet should and could provide fundamental coordination functi...

  12. Child Labor and Coordination Failures

    OpenAIRE

    Sylvain Dessy; Stephane Pallage

    2000-01-01

    In this paper, we show how coordination failures may explain the prevalence of child labor in developing countries. We do so within a simple game-theoretic setup. Child labor arises in our environment because of the lack of a coordination mechanism between parental decisions to invest in the human capital of their children and firm's decisions to invest in skill-intensive technology. Governmental policies that help coordinate expectations lead to the disappearance of child labor.

  13. On Coordinating Collaborative Objects

    Directory of Open Access Journals (Sweden)

    Abdessamad Imine

    2010-07-01

    Full Text Available A collaborative object represents a data type (such as a text document designed to be shared by a group of dispersed users. The Operational Transformation (OT is a coordination approach used for supporting optimistic replication for these objects. It allows the users to concurrently update the shared data and exchange their updates in any order since the convergence of all replicas, i.e. the fact that all users view the same data, is ensured in all cases. However, designing algorithms for achieving convergence with the OT approach is a critical and challenging issue. In this paper, we propose a formal compositional method for specifying complex collaborative objects. The most important feature of our method is that designing an OT algorithm for the composed collaborative object can be done by reusing the OT algorithms of component collaborative objects. By using our method, we can start from correct small collaborative objects which are relatively easy to handle and incrementally combine them to build more complex collaborative objects.

  14. Photoreceptor Sensory Cilium: Traversing the Ciliary Gate.

    Science.gov (United States)

    Khanna, Hemant

    2015-01-01

    Cilia are antenna-like extensions of the plasma membrane found in nearly all cell types. In the retina of the eye, photoreceptors develop unique sensory cilia. Not much was known about the mechanisms underlying the formation and function of photoreceptor cilia, largely because of technical limitations and the specific structural and functional modifications that cannot be modeled in vitro. With recent advances in microscopy techniques and molecular and biochemical approaches, we are now beginning to understand the molecular basis of photoreceptor ciliary architecture, ciliary function and its involvement in human diseases. Here, I will discuss the studies that have revealed new knowledge of how photoreceptor cilia regulate their identity and function while coping with high metabolic and trafficking demands associated with processing light signal. PMID:26501325

  15. Photoreceptor Sensory Cilium: Traversing the Ciliary Gate

    OpenAIRE

    Hemant Khanna

    2015-01-01

    Cilia are antenna-like extensions of the plasma membrane found in nearly all cell types. In the retina of the eye, photoreceptors develop unique sensory cilia. Not much was known about the mechanisms underlying the formation and function of photoreceptor cilia, largely because of technical limitations and the specific structural and functional modifications that cannot be modeled in vitro. With recent advances in microscopy techniques and molecular and biochemical approaches, we are now begin...

  16. Photoreceptor Sensory Cilium: Traversing the Ciliary Gate

    Directory of Open Access Journals (Sweden)

    Hemant Khanna

    2015-10-01

    Full Text Available Cilia are antenna-like extensions of the plasma membrane found in nearly all cell types. In the retina of the eye, photoreceptors develop unique sensory cilia. Not much was known about the mechanisms underlying the formation and function of photoreceptor cilia, largely because of technical limitations and the specific structural and functional modifications that cannot be modeled in vitro. With recent advances in microscopy techniques and molecular and biochemical approaches, we are now beginning to understand the molecular basis of photoreceptor ciliary architecture, ciliary function and its involvement in human diseases. Here, I will discuss the studies that have revealed new knowledge of how photoreceptor cilia regulate their identity and function while coping with high metabolic and trafficking demands associated with processing light signal.

  17. State Interagency Coordination for Personnel Development under Public Law 99-457: Building Teams for Effective Planning.

    Science.gov (United States)

    Miller, Patricia S.

    1992-01-01

    This article describes the process of interagency coordination for personnel development in early intervention, relates stages of the coordination process to evaluation of state planning teams, discusses the literature on interagency coordination and group development in relation to the case of North Carolina, and provides guidelines and…

  18. 75 FR 55947 - Coordinated Communications

    Science.gov (United States)

    2010-09-15

    ... Proposed Rulemaking on Coordinated Communications, 75 FR 6590 (Feb. 10, 2010). The SNPRM invited comments..., 68 FR at 427. The first content standard was satisfied if the communication was an electioneering... Proposed Rulemaking on Coordinated ] Communications, 70 FR 73946 (Dec. 14, 2005) (``2005 NPRM'')....

  19. Coordinated Transportation: Problems and Promise?

    Science.gov (United States)

    Fickes, Michael

    1998-01-01

    Examines the legal, administrative, and logistical barriers that have prevented the wide acceptance of coordinating community and school transportation services and why these barriers may be breaking down. Two examples of successful implementation of coordinated transportation are examined: employing a single system to serve all transportation…

  20. Coordinate-Free Rotation Operator.

    Science.gov (United States)

    Leubner, C.

    1979-01-01

    Suggests the use of a coordinate-free rotation operator for the teaching of rotations in Euclidean three space because of its twofold didactic advantage. Illustrates the potentialities of the coordinate-free rotation operator approach by a number of examples. (Author/GA)

  1. Coordination of Conditional Poisson Samples

    Directory of Open Access Journals (Sweden)

    Grafström Anton

    2015-12-01

    Full Text Available Sample coordination seeks to maximize or to minimize the overlap of two or more samples. The former is known as positive coordination, and the latter as negative coordination. Positive coordination is mainly used for estimation purposes and to reduce data collection costs. Negative coordination is mainly performed to diminish the response burden of the sampled units. Poisson sampling design with permanent random numbers provides an optimum coordination degree of two or more samples. The size of a Poisson sample is, however, random. Conditional Poisson (CP sampling is a modification of the classical Poisson sampling that produces a fixed-size πps sample. We introduce two methods to coordinate Conditional Poisson samples over time or simultaneously. The first one uses permanent random numbers and the list-sequential implementation of CP sampling. The second method uses a CP sample in the first selection and provides an approximate one in the second selection because the prescribed inclusion probabilities are not respected exactly. The methods are evaluated using the size of the expected sample overlap, and are compared with their competitors using Monte Carlo simulation. The new methods provide a good coordination degree of two samples, close to the performance of Poisson sampling with permanent random numbers.

  2. Social-Perspective Coordination and Gifted Adolescents' Friendship Quality

    Science.gov (United States)

    Masden, Catherine A.; Leung, Olivia N.; Shore, Bruce M.; Schneider, Barry H.; Udvari, Stephen J.

    2015-01-01

    This research examined links among academic ability, social-perspective coordination, and friendship quality, within the context of gifted adolescents' friendships. The sample consisted of 120 early adolescents (59 girls, 61 boys), 81 of whom were identified as gifted. Academic ability, sex, and grade significantly predicted social-perspective…

  3. Archimedes' principle in general coordinates

    International Nuclear Information System (INIS)

    Archimedes' principle is well known to state that a body submerged in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the body. Herein, Archimedes' principle is derived from first principles by using conservation of the stress-energy-momentum tensor in general coordinates. The resulting expression for the force is applied in Schwarzschild coordinates and in rotating coordinates. Using Schwarzschild coordinates for the case of a spherical mass suspended within a perfect fluid leads to the familiar expression of Archimedes' principle. Using rotating coordinates produces an expression for a centrifugal buoyancy force that agrees with accepted theory. It is then argued that Archimedes' principle ought to be applicable to non-gravitational phenomena, as well. Conservation of the energy-momentum tensor is then applied to electromagnetic phenomena. It is shown that a charged body submerged in a charged medium experiences a buoyancy force in accordance with an electromagnetic analogue of Archimedes' principle.

  4. Keep Meaning in Conversational Coordination

    Directory of Open Access Journals (Sweden)

    Elena Clare Cuffari

    2014-12-01

    Full Text Available Coordination is a widely employed term across recent quantitative and qualitative approaches to intersubjectivity, particularly approaches that give embodiment and enaction central explanatory roles. With a focus on linguistic and bodily coordination in conversational contexts, I review the operational meaning of coordination in recent empirical research and related theorizing of embodied intersubjectivity. This discussion articulates what must be involved in treating linguistic meaning as dynamic processes of coordination. The coordination approach presents languaging as a set of dynamic self-organizing processes and actions on multiple timescales and across multiple modalities that come about and work in certain domains (those jointly constructed in social, interactive, high-order sense-making. These processes go beyond meaning at the level that is available to first-person experience. I take one crucial consequence of this to be the ubiquitously moral nature of languaging with others. Languaging coordinates experience, among other levels of behavior and event. Ethical effort is called for by the automatic autonomy-influencing forces of languaging as coordination.

  5. Coordinating distributed work: Exploring situated coordination with gaming-simulation

    NARCIS (Netherlands)

    van Laere, J.

    2003-01-01

    Organizational work has become more and more distributed nowadays. Information and communication technologies (ICT) provide opportunities to improve coordination of distributed work, but in practice many organizations struggle with integrating new organizational structures, new work practices and IC

  6. Coordination specification in MultiAgent Systems. From requirements to architecture with the Tropos methodology

    OpenAIRE

    Perini, Anna; Susi, Angelo; Giunchiglia, Fausto

    2002-01-01

    The goal of this paper is to propose a new methodology for designing coordination between human agents and software agents and, ultimately, among software agents. The methodology is based on two key ideas. The first is that coordination should be designed in steps, according to a precise software engineering methodology, and starting from the specification of early requirements. The second is that coordination should be modeled as dependency between actors. Two actors may depend on one anothe...

  7. The coordinate transforming in geography information system

    International Nuclear Information System (INIS)

    The coordinate transforming of geography information system includes two kinds of transforming, map projection and coordinate-transforming. This paper proposed a arithmetic of coordinate-transforming, it implement the transforming between the longitude-latitude coordinate and the screen coordinate and apply it in the GIS. The preferable effect was made. (authors)

  8. Evaluating the Relational Coordination instrument

    DEFF Research Database (Denmark)

    Edwards, Kasper; Lundstrøm, Sanne Lykke

    2014-01-01

    and surgical performance. This has prompted the attention of both practitioners and politicians some of who perceive relational coordination as a means to attain better performance. The relational coordination instrument has been validated as a measure of teamwork from the following perspectives......: internal consistency, interrater agreement and reliability, structural validity, content validity. However as relational coordination is being used as a diagnostics tool it is important to examine further if the instrument can measure changes. Indeed we need to know how precise and sensitive the instrument...... the change using the relational coordination instrument. Managers were interviewed before the projects and a chronicle workshop (structured group interview) were performed after the project. This design allows us to compare the qualitative descriptions of change in the wards, with the measured change...

  9. Coordination Games on Dynamical Networks

    Directory of Open Access Journals (Sweden)

    Enea Pestelacci

    2010-07-01

    Full Text Available We propose a model in which agents of a population interacting according to a network of contacts play games of coordination with each other and can also dynamically break and redirect links to neighbors if they are unsatisfied. As a result, there is co-evolution of strategies in the population and of the graph that represents the network of contacts. We apply the model to the class of pure and general coordination games. For pure coordination games, the networks co-evolve towards the polarization of different strategies. In the case of general coordination games our results show that the possibility of refusing neighbors and choosing different partners increases the success rate of the Pareto-dominant equilibrium.

  10. Who matters in coordination problems?

    Czech Academy of Sciences Publication Activity Database

    Sákovics, J.; Steiner, Jakub

    2012-01-01

    Roč. 102, č. 7 (2012), s. 3439-3461. ISSN 0002-8282 Institutional support: RVO:67985998 Keywords : coordination problems * heterogeneous agents Subject RIV: AH - Economics Impact factor: 2.792, year: 2012

  11. Markov Tracking for Agent Coordination

    Science.gov (United States)

    Washington, Richard; Lau, Sonie (Technical Monitor)

    1998-01-01

    Partially observable Markov decision processes (POMDPs) axe an attractive representation for representing agent behavior, since they capture uncertainty in both the agent's state and its actions. However, finding an optimal policy for POMDPs in general is computationally difficult. In this paper we present Markov Tracking, a restricted problem of coordinating actions with an agent or process represented as a POMDP Because the actions coordinate with the agent rather than influence its behavior, the optimal solution to this problem can be computed locally and quickly. We also demonstrate the use of the technique on sequential POMDPs, which can be used to model a behavior that follows a linear, acyclic trajectory through a series of states. By imposing a "windowing" restriction that restricts the number of possible alternatives considered at any moment to a fixed size, a coordinating action can be calculated in constant time, making this amenable to coordination with complex agents.

  12. Periodic Early Childhood Hearing Screening: The EHDI Perspective

    Science.gov (United States)

    Hoffman, Jeff; Houston, K. Todd; Munoz, Karen F.; Bradham, Tamala S.

    2011-01-01

    State coordinators of early hearing detection and intervention (EHDI) programs completed a strengths, weaknesses, opportunities, and threats, or SWOT, analysis that examined 12 areas within state EHDI programs. Concerning periodic early childhood hearing screening, 47 coordinators listed 241 items and themes were identified within each SWOT…

  13. Kaluza's theory in generalized coordinates

    CERN Document Server

    García-Perciante, A L; García-Colin, L S; Garcia-Perciante, Ana Laura; Sandoval-Villalbazo, Alfredo

    2001-01-01

    Maxwell's equations can be obtained in generalized coordinates by considering the electromagnetic field as an external agent. The work here presented shows how to obtain the electrodynamics for a charged particle in generalized coordinates eliminating the concept of external force. Based on Kaluza's formalism, the one here presented extends the 5x5 metric into a 6x6 space-time giving enough room to include magnetic monopoles in a very natural way.

  14. Coordinated Design In Urban Environments

    OpenAIRE

    KAMALI, Fereshteh Pashaei; RAZMGIR, Akramalsadat; KHOBRO, Babaksimintan; BARADARAN, Alireza Ghandriz

    2015-01-01

    Abstract. In a society in which accepting sociability, consensus and collective product are emphasized, new buildings try to coordinate themselves with the existing patterns. Edmund Bacon (1979) has searched the formation of urban landscape coordinated with manner of relation in which architects have worked in one place but in different times and by stating,the second person’s theory, emphasized that the second designer determines that whether the first architectural work is valuable or recog...

  15. Currency Areas and Monetary Coordination

    OpenAIRE

    Qing Liu; Shouyong Shi

    2006-01-01

    In this paper we integrate the recent development in monetary theory with international finance, in order to examine the coordination between two currency areas in setting long-run inflation. The model determines the value of each currency and the size of each currency area without requiring buyers to use a particular currency to buy a country's goods. We show that the two countries inflate above the Friedman rule in a non-cooperative game. Coordination between the two areas reduces inflation...

  16. Coordination Demands of International Strategies

    OpenAIRE

    Jon I Martinez; J Carlos Jarillo

    1991-01-01

    A study of fifty subsidiaries of Multinational Corporations shows a connection between their strategy and their use of different mechanisms of coordination. The main finding is that subsidiaries pursuing strategies with a high degree of integration with their corporate parent make a much more extensive use of both “formal” and “subtle” coordination mechanisms than other firms in the sample. These results are borne out in both static and dynamic tests. They confirm previous literature on coord...

  17. Consumption externalities, coordination and advertising

    OpenAIRE

    Pastine, Tuvana; Pastine, Ivan

    2001-01-01

    The aim of this Paper is to demonstrate that advertising can have an important function in markets with consumption externalities, apart from its persuasive and informative roles. We show that advertising may function as a device to coordinate consumer expectations of the purchasing decisions of other consumers in markets with consumption externalities. The implications of advertising as a coordinating device are examined in the pricing and advertising decisions of firms interacting strategic...

  18. Comsumption Externalities, Coordination, and Advertising

    OpenAIRE

    Ivan Pastine; Tuvana Pastine

    2002-01-01

    The aim of this article is to demonstrate that advertising can have an important function in markets with consumption externalities apart from its persuasive and informative roles. We show that advertising may function as a device to coordinate consumer expectations of the purchasing decisions of other consumers in markets with consumption externalities. The implications of advertising as a coordinating device are examined in the pricing and advertising decisions of firms interacting strategi...

  19. Co-ordination and specialisation

    OpenAIRE

    Egidi, Massimo; Ricottilli, Massimo

    1997-01-01

    This paper addresses the problem of division of labour as an evolutionary process in which co-ordinated agents attempt problem-solving as a search in problem space. Co-ordination stress and learning trigger adaptation but as complexity rises radical solutions are sought prompting radical organisational as well as technological change. The analytical issues involved are further explored by resorting to the so-called NKC model of evolution and co-evolution.

  20. Dynamic coordination via organizational routines

    OpenAIRE

    Blume, Andreas; April M. Franco; Heidhues, Paul

    2011-01-01

    We investigate dynamic coordination among members of a problem solving team who receive private signals about which of their actions are required for a (static) coordinated solution and who have repeated opportunities to explore different action combinations. In this environment ordinal equilibria, in which agents condition only on how their signals rank their actions and not on signal strength, lead to simple patterns of behavior that have a natural interpretation as routines. These routine ...

  1. DEVELOPMENTAL COORDINATION DISORDER IN CHILDREN

    OpenAIRE

    Saeideh MIRAFKHAMI; Seyyed Hossein FAKHRAEE; Sina MIRAFKHAMI; Mojtaba YOUSEFI; Mona VARZANDEH FAR

    2010-01-01

    ObjectiveIn this article, a motor skill disorder called developmental coordination disorder (DCD), that is usually first diagnosed during childhood, is explained and discussed. In the year 1987, DCD was formally recognized as a distinct disorder in children by the American Psychiatric Association  (APA). DCD is a generalized term for the children who have some degrees of impairment in the development of motor coordination and therefore have difficulties with physical skills which significantl...

  2. 78 FR 44519 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2013-07-24

    ... Office of the Secretary Forest Resource Coordinating Committee AGENCY: Forest Service, USDA. ACTION: Notice; Re-establishment of the Forest Resource Coordinating Committee and call for nominations. SUMMARY: The Department of Agriculture re-established the Forest Resource Coordinating Committee...

  3. 78 FR 34035 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2013-06-06

    ... Forest Service Forest Resource Coordinating Committee AGENCY: Forest Service, USDA. ACTION: Notice of meeting. SUMMARY: The Forest Resource Coordinating Committee will meet via teleconference every month on... conference call will be posted to the Forest Resource Coordinating Committee Web site,...

  4. Lunar international science coordination/calibration targets (L-ISCT)

    Science.gov (United States)

    Pieters, Carle M.; Head, James W.; Isaacson, Peter; Petro, Noah; Runyon, Cassandra; Ohtake, M.; Föing, B.; Grande, M.

    2008-07-01

    Eight lunar areas, each ˜200 km in diameter, are identified as targets for coordinated science and instrument calibration for the orbital missions soon to be flown. Instrument teams from SELENE, Chang'E, Chandrayaan-1, and LRO are encouraged to participate in a coordinated activity of early-release data that will improve calibration and validation of data across independent and diverse instruments. The targets are representative of important lunar terrains and geologic processes and thus will also provide a broad introduction to lunar science for new investigators. We briefly identify additional cross-calibration issues for instruments that produce time series data rather than maps.

  5. Measurement, coordination, and the relativized a priori

    Science.gov (United States)

    Padovani, Flavia

    2015-11-01

    The problem of measurement is a central issue in the epistemology and methodology of the physical sciences. In recent literature on scientific representation, large emphasis has been put on the "constitutive role" played by measurement procedures as forms of representation. Despite its importance, this issue hardly finds any mention in writings on constitutive principles, viz. in Michael Friedman's account of relativized a priori principles. This issue, instead, was at the heart of Reichenbach's analysis of coordinating principles that has inspired Friedman's interpretation. This paper suggests that these procedures should have a part in an account of constitutive principles of science, and that they could be interpreted following the intuition originally present (but ultimately not fully developed) in Reichenbach's early work.

  6. Synthetic rubbers prepared by lanthanide coordination catalysts

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    China is rich in rare earth resources. Rare earth elements, also named lanthanides, are number 58 to number 81 elements in the elemental periodic table. They have unique electronic structures and may form various coordination compounds. In the early 1960s, researchers at the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences (CIAC) found the catalytic activities of lanthanide compounds in stereospecific polymerization of conjugated dienes, and published the first paper on this topic in 1964. On the basis of this finding, CIAC launched extensive research activities on lanthanide compounds as diene polymerization catalysts, from a series of fundamental research to the efforts of industrializing the rare earth catalyzed cis-1,4-polybutatine rubber and cis-1,4-polyisoprene rubber. This review aims to summarize the progress in this field in the past half century.

  7. Synthetic rubbers prepared by lanthanide coordination catalysts

    Institute of Scientific and Technical Information of China (English)

    CHEN WenQi; WANG FoSong

    2009-01-01

    China is rich in rare earth resources. Rare earth elements, also named Ianthanides, are number 58 to number 81 elements in the elemental periodic table. They have unique electronic structures and may form various coordination compounds. In the early 1960s, researchers at the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences (CIAC) found the catalytic activities of lanthanide compounds in stereospecific polymerization of conjugated dienes, and published the first paper on this topic in 1964. On the basis of this finding, CIAC launched extensive research activities on lanthanide compounds as diene polymerization catalysts, from a series of fundamental research to the efforts of industrializing the rare earth catalyzed cis~(-1),4-polybutatine rubber and cis~(-1),4-polyisoprene rubber. This review aims to summarize the progress in this field in the past half century.

  8. Metal-coordination: using more of nature's tricks to assemble new soft materials

    Science.gov (United States)

    Holten-Andersen, Niels

    2014-03-01

    Growing evidence supports a critical role of metal-coordination in soft biological material properties such as self-healing, underwater adhesion and autonomous wound plugging. Using bio-inspired metal-coordinating polymers, initial efforts to mimic these properties have shown promise. In addition, with polymer network mechanics dictated by coordinate crosslink dynamics material properties can be easily tuned from visco-elastic fluids to elastic solids. Given their exploitation in desirable material applications in nature, metal-coordinate crosslinking provides an opportunity to advance synthetic polymer materials design. Early lessons from this pursuit are presented.

  9. Bio-Inspired Metal-Coordination Dynamics: A Unique Tool for Engineering Soft Matter Mechanics

    Science.gov (United States)

    Holten-Andersen, Niels

    Growing evidence supports a critical role of metal-coordination in soft biological material properties such as self-healing, underwater adhesion and autonomous wound plugging. Using bio-inspired metal-binding polymers, initial efforts to mimic these properties with metal-coordination crosslinked polymer materials have shown promise. In addition, with polymer network mechanics strongly coupled to coordinate crosslink dynamics material properties can be easily tuned from visco-elastic fluids to solids. Given their exploitation in desirable material applications in Nature, bio-inspired metal-coordinate complex crosslinking provides an opportunity to further advance synthetic polymer materials design. Early lessons from this pursuit are presented.

  10. Cation coordination in oxychloride glasses

    Science.gov (United States)

    Johnson, J. A.; Holland, D.; Bland, J.; Johnson, C. E.; Thomas, M. F.

    2003-02-01

    Glasses containing mixtures of cations and anions of nominal compositions [Sb2O3]x - [ZnCl2]1-x where x = 0.25, 0.50, 0.75, and 1.00, have been studied by means of neutron diffraction and Raman and Mössbauer spectroscopy. There is preferential bonding within the system with the absence of Sb-Cl bonds. Antimony is found to be threefold coordinated to oxygen, and zinc fourfold coordinated. The main contributing species are of the form [Sb(OSb)2(OZn)] and [Zn(ClZn)2(OSb)2].

  11. Cation coordination in oxychloride glasses

    International Nuclear Information System (INIS)

    Glasses containing mixtures of cations and anions of nominal compositions [Sb2O3]x - [ZnCl2]1-x where x = 0.25, 0.50, 0.75, and 1.00, have been studied by means of neutron diffraction and Raman and Moessbauer spectroscopy. There is preferential bonding within the system with the absence of Sb-Cl bonds. Antimony is found to be threefold coordinated to oxygen, and zinc fourfold coordinated. The main contributing species are of the form [Sb(OSb)2(OZn)] and [Zn(ClZn)2(OSb)2

  12. Cation coordination in oxychloride glasses

    Energy Technology Data Exchange (ETDEWEB)

    Johnson, J A [Energy Technology Division, Argonne National Laboratory, Argonne, IL (United States); Holland, D [Physics Department, Warwick University, Coventry (United Kingdom); Bland, J [Physics Department, University of Liverpool, PO Box 147, Liverpool (United Kingdom); Johnson, C E [Physics Department, Northern Illinois University, DeKalb, IL (United States); Thomas, M F [Physics Department, University of Liverpool, PO Box 147, Liverpool (United Kingdom)

    2003-02-19

    Glasses containing mixtures of cations and anions of nominal compositions [Sb{sub 2}O{sub 3}]{sub x} - [ZnCl{sub 2}]{sub 1-x} where x = 0.25, 0.50, 0.75, and 1.00, have been studied by means of neutron diffraction and Raman and Moessbauer spectroscopy. There is preferential bonding within the system with the absence of Sb-Cl bonds. Antimony is found to be threefold coordinated to oxygen, and zinc fourfold coordinated. The main contributing species are of the form [Sb(OSb){sub 2}(OZn)] and [Zn(ClZn){sub 2}(OSb){sub 2}].

  13. COCO: Conversion of Celestial Coordinates

    Science.gov (United States)

    Wallace, Patrick

    2014-06-01

    The COCO program converts star coordinates from one system to another. Both the improved IAU system, post-1976, and the old pre-1976 system are supported. COCO can perform accurate transformations between multiple coordinate systems. COCO's user-interface is spartan but efficient and the program offers control over report resolution. All input is free-format, and defaults are provided where this is meaningful. COCO uses SLALIB (ascl:1403.025) and is distributed as part of the Starlink software collection (ascl:1110.012).

  14. Modelling coordination in biological systems

    NARCIS (Netherlands)

    Clarke, D.G.; Oliveira Costa, D.F. de; Arbab, F.

    2004-01-01

    We present an application of the Reo coordination paradigm to provide a compositional formal model for describing and reasoning about the behaviour of biological systems, such as regulatory gene networks. Reo governs the interaction and flow of data between components by allowing the construction of

  15. Coordinate Geometric Approach to Spherometer

    CERN Document Server

    Khan, Sameen Ahmed

    2013-01-01

    The spherometer used for measuring radius of curvature of spherical surfaces is explicitly based on a geometric relation unique to circles and spheres. We present an alternate approach using coordinate geometry, which reproduces the well-known result for the spherometer and also leads to a scheme to study aspherical surfaces. We shall also briefly describe some of the modified spherometers.

  16. Coordinating talk and practical action

    DEFF Research Database (Denmark)

    Oshima, Sae; Streeck, Jürgen

    2015-01-01

    This paper investigates how talk and practical action are coordinated during one type of activity involving professional communication: the service-assessment sequence in hair salons. During this activity, a practical inspection of the haircut must be coupled with sequentially produced verbal acts...

  17. Information Sharing for Care Coordination

    OpenAIRE

    Amir, Ofra; Grosz, Barbara J.; Stern, Roni; Sanders, Lee M.

    2013-01-01

    Teamwork and care coordination are of increasing importance to health care delivery and patient safety and health. This paper describes our initial work on developing agents that are able to make intelligent information sharing decisions to support a diverse, evolving team of care providers in constructing and maintaining a shared plan that operates in uncertain environments and over a long time horizon.

  18. Motivic amplitudes and cluster coordinates

    International Nuclear Information System (INIS)

    In this paper we study motivic amplitudes — objects which contain all of the essential mathematical content of scattering amplitudes in planar SYM theory in a completely canonical way, free from the ambiguities inherent in any attempt to choose particular functional representatives. We find that the cluster structure on the kinematic configuration space Confn(ℙ3) underlies the structure of motivic amplitudes. Specifically, we compute explicitly the coproduct of the two-loop seven-particle MHV motivic amplitude A7,2M and find that like the previously known six-particle amplitude, it depends only on certain preferred coordinates known in the mathematics literature as cluster X-coordinates on Confn(ℙ3). We also find intriguing relations between motivic amplitudes and the geometry of generalized associahedrons, to which cluster coordinates have a natural combinatoric connection. For example, the obstruction to A7,2M being expressible in terms of classical polylogarithms is most naturally represented by certain quadrilateral faces of the appropriate associahedron. We also find and prove the first known functional equation for the trilogarithm in which all 40 arguments are cluster X-coordinates of a single algebra. In this respect it is similar to Abel’s 5-term dilogarithm identity

  19. [Coordination in oncology, pivot nurses].

    Science.gov (United States)

    Feld, Dominique

    2016-06-01

    The function of the pivot nurse was created when the Cancer Plans were first introduced to improve patient management and has constantly developed since then. It is an essential role for the coordination of care and the different players involved along the patient's care pathway. PMID:27338685

  20. Archimedes' Principle in General Coordinates

    Science.gov (United States)

    Ridgely, Charles T.

    2010-01-01

    Archimedes' principle is well known to state that a body submerged in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the body. Herein, Archimedes' principle is derived from first principles by using conservation of the stress-energy-momentum tensor in general coordinates. The resulting expression for the force is…

  1. Reichenbach on causality in 1923: Scientific inference, coordination, and confirmation.

    Science.gov (United States)

    Padovani, Flavia

    2015-10-01

    In The Theory of Relativity and A Priori Knowledge (1920b), Reichenbach developed an original account of cognition as coordination of formal structures to empirical ones. One of the most salient features of this account is that it is explicitly not a top-down type of coordination, and in fact it is crucially "directed" by the empirical side. Reichenbach called this feature "the mutuality of coordination" but, in that work, did not elaborate sufficiently on how this is supposed to work. In a paper that he wrote less than two years afterwards (but that he published only in 1932), "The Principle of Causality and the Possibility of its Empirical Confirmation" (1923/1932), he described what seems to be a model for this idea, now within an analysis of causality that results in an account of scientific inference. Recent reassessments of his early proposal do not seem to capture the extent of Reichenbach's original worries. The present paper analyses Reichenbach's early account and suggests a new way to look at his early work. According to it, we perform measurements, individuate parameters, collect and analyse data, by using a "constructive" approach, such as the one with which we formulate and test hypotheses, which paradigmatically requires some simplicity assumptions. Reichenbach's attempt to account for all these aspects in 1923 was obviously limited and naive in many ways, but it shows that, in his view, there were multiple ways in which the idea of "constitution" is embodied in scientific practice. PMID:26386525

  2. Managing Coordinator, Educational or Entrepreneurial Coordinator: Course Coordinator Profile Analysis at Private HEIS

    Directory of Open Access Journals (Sweden)

    Mariana Augusta de Araújo Silva

    2014-12-01

    Full Text Available Higher Education dynamics is impacted by political, economic and financial interference. In parallel, the Ministry of Education and Culture (MEC is strict in its reviews to ensure Brazilian higher education is appreciated and promoted. The purpose of this study is to identify the profile of Course Coordinators and factors that might improve, at the surveyed HEIs, this professional´s relationship with students, teaching staff and Directors. Literature was searched and reviewed so as to collect subject matter pertaining issues. A quantitative research approach was employed and objectives were of exploratory descriptive nature since this technique ensures extended comprehension of the investigated phenomenon, whilst data was gathered via personal interviews. The object of investigation comprised all Course Coordinators of the Estácio/Natal Group in Brazil´s four units. The survey´s tool comprises: 13 closed questions to identify the Coordinator´s profile; 17 questions with a 5 point Likert score scale to identify the entrepreneurial profile; 42 also resorting to a 5 point Likert score scale to measure the dimensions of the Coordinator´s activities and 4 open, optional questions to measure difficulties and possibilities that impact the development of an entrepreneurial course management approach. The study employed both a statistical method (data analysis and descriptive statistics. Findings lead to the conclusion that information and knowledge gathered support researched HEIs in their overcoming of challenges, amongst which encouraging strategic course management and innovation, focused on implementing a new vision of the Course Coordinator, as professionals that master how to balance management and pedagogical skills, whilst innovating by resorting to entrepreneurial competencies.

  3. A coordination theory for intelligent machines

    Science.gov (United States)

    Wang, Fei-Yue; Saridis, George N.

    1990-01-01

    A formal model for the coordination level of intelligent machines is established. The framework of the coordination level investigated consists of one dispatcher and a number of coordinators. The model called coordination structure has been used to describe analytically the information structure and information flow for the coordination activities in the coordination level. Specifically, the coordination structure offers a formalism to (1) describe the task translation of the dispatcher and coordinators; (2) represent the individual process within the dispatcher and coordinators; (3) specify the cooperation and connection among the dispatcher and coordinators; (4) perform the process analysis and evaluation; and (5) provide a control and communication mechanism for the real-time monitor or simulation of the coordination process. A simple procedure for the task scheduling in the coordination structure is presented. The task translation is achieved by a stochastic learning algorithm. The learning process is measured with entropy and its convergence is guaranteed. Finally, a case study of the coordination structure with three coordinators and one dispatcher for a simple intelligent manipulator system illustrates the proposed model and the simulation of the task processes performed on the model verifies the soundness of the theory.

  4. Abnormal photoreceptor outer segment development and early retinal degeneration in kif3a mutant zebrafish.

    Science.gov (United States)

    Raghupathy, Rakesh K; Zhang, Xun; Alhasani, Reem H; Zhou, Xinzhi; Mullin, Margaret; Reilly, James; Li, Wenchang; Liu, Mugen; Shu, Xinhua

    2016-08-01

    Photoreceptors are highly specialized sensory neurons that possess a modified primary cilium called the outer segment. Photoreceptor outer segment formation and maintenance require highly active protein transport via a process known as intraflagellar transport. Anterograde transport in outer segments is powered by the heterotrimeric kinesin II and coordinated by intraflagellar transport proteins. Here, we describe a new zebrafish model carrying a nonsense mutation in the kinesin II family member 3A (kif3a) gene. Kif3a mutant zebrafish exhibited curved body axes and kidney cysts. Outer segments were not formed in most parts of the mutant retina, and rhodopsin was mislocalized, suggesting KIF3A has a role in rhodopsin trafficking. Both rod and cone photoreceptors degenerated rapidly between 4 and 9 days post fertilization, and electroretinography response was not detected in 7 days post fertilization mutant larvae. Loss of KIF3A in zebrafish also resulted in an intracellular transport defect affecting anterograde but not retrograde transport of organelles. Our results indicate KIF3A plays a conserved role in photoreceptor outer segment formation and intracellular transport. PMID:27470972

  5. Supply Chain Reorganization and Coordination

    Institute of Scientific and Technical Information of China (English)

    WANG Feng-bin

    2001-01-01

    Three generic forms of governance--hierarchy, hybrid and market are proposed in the newinstitutional economics, giving an abstract description of alternative coordination and control mechanisms forgeneral use. While this theory is known as far away from being operational and specified, a few researchersin the management and organization area are trying to extend Galbraith and/or Mintzberg's organizationaldesign theories into the application of logistical coordination for obtaining a smooth flow of products along thesupply chain within and without the focal organization. In this paper, we present an explorative case study onthe design of various organizational architectures of logistics activities and their relevant coordinationmechanisms, especially internal and external contracts as one new kind of hybrid mechanisms forcoordinating effective supply chains.

  6. Modelling coordination in biological systems

    OpenAIRE

    Clarke, David; Oliveira Costa, de, David; Arbab, Farhad

    2004-01-01

    We present an application of the Reo coordination paradigm to provide a compositional formal model for describing and reasoning about the behaviour of biological systems, such as regulatory gene networks. Reo governs the interaction and flow of data between components by allowing the construction of connector circuits which have a precise formal semantics. When applied to systems biology, the result is a graphical model, which is comprehensible, mathematically precise, and flexible

  7. Coordinating sensing and local navigation

    Science.gov (United States)

    Slack, Marc G.

    1991-07-01

    Based on Navigation Templates (or NaTs), this work presents a new paradigm for local navigation which addresses the noisy and uncertain nature of sensor data. Rather than creating a new navigation plan each time the robot's perception of the world changes, the technique incorporates perceptual changes directly into the existing navigation plan. In this way, the robot's navigation plan is quickly and continuously modified, resulting in actions that remain coordinated with its changing perception of the world.

  8. A Classroom Investment Coordination Experiment

    OpenAIRE

    Denise Hazlett

    2007-01-01

    In this classroom experiment students represent firms that make investment decisions. They play a repeated game with each firm privately choosing its level of investment. Participating in the experiment helps students understand theories that posit coordination failure as the cause of economic fluctuations. Students see that when firms expect a recession, their resulting low levels of investment actually cause a recession. Likewise, when firms expect an expansion, their resulting high levels ...

  9. Coordination of traffic lights evaluation

    OpenAIRE

    Ordeig Vila, Enric

    2012-01-01

    This case study consists in the evaluation of the Kaunas city traffic speed taking into consideration that traffic lights were coordinated. Kaunas suffers from high traffic intensity and, as a consequence, traffic jams often, and happens mainly because the city can only be crossed by the center. Lithuania, as the rest of Europe experienced a big growth, from 1995 to 2005 coinciding with the crisis, that is to say that number of cars increased to highest levels as well as the ...

  10. DEVELOPMENTAL COORDINATION DISORDER IN CHILDREN

    Directory of Open Access Journals (Sweden)

    Saeideh MIRAFKHAMI

    2010-04-01

    Full Text Available ObjectiveIn this article, a motor skill disorder called developmental coordination disorder (DCD, that is usually first diagnosed during childhood, is explained and discussed. In the year 1987, DCD was formally recognized as a distinct disorder in children by the American Psychiatric Association  (APA. DCD is a generalized term for the children who have some degrees of impairment in the development of motor coordination and therefore have difficulties with physical skills which significantly interfere with their academic achievements and /or performing everyday activities. As they develop, other age-related tasks are also below average. Because these impairment & conditions are often associated with emotional distress, they can seriously interfere with the person's everyday life and social relationships. Reviews indicate that most of the training rocedures have only a limited effect on the development of general coordination, and that they have no effect at all on academic progress.This includes approaches based on assumed underlying deficiencies such as sensory integration deficits and kinesthetic functioning deficits, as well as the more traditional perceptual - motor training. One new approach is Cognitive Orientation to daily Occupational Performance (CO-OP, based on problem - solving strategies and guided discovery of the child and task specific strategies. The aim of this article was to inform, promote and disseminate more information about some difficulties in applying the diagnostic criteria for DCD. Also, a brief review of the researches on the intervention methods is presented.Keywords: Developmental coordination disorder, Motor skills disorder, Childhood disorder, Intervention methods

  11. Relative observability in coordination control

    Czech Academy of Sciences Publication Activity Database

    Komenda, Jan; Masopust, Tomáš; van Schuppen, J. H.

    Piscataway: IEEE, 2015 - (Lennartson, B.), s. 75-80 ISBN 978-1-4673-8182-6. [IEEE International Conference on Automation Science and Engineering (CASE), 2015. Gothenburg (SE), 24.08.2015-28.08.2015] R&D Projects: GA MŠk LH13012; GA ČR GA15-02532S Institutional support: RVO:67985840 Keywords : supervisory control * coordination control * relative observability Subject RIV: BA - General Mathematics http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7294044

  12. Multirobot Coordination for Space Exploration

    OpenAIRE

    Yliniemi, Logan; Oregon State University; Agogino, Adrian K.; Tumer, Kagan; Oregon State University

    2014-01-01

    Teams of artificially intelligent planetary rovers have tremendous potential for space exploration, allowing for reduced cost, increased flexibility and increased reliability. However, having these multiple autonomous devices acting simultaneously leads to a problem of coordination: to achieve the best results, the they should work together. This is not a simple task. Due to the large distances and harsh environments, a rover must be able to perform a wide variety of tasks with a wide variety...

  13. Measuring Motor Coordination in Mice

    OpenAIRE

    Deacon, Robert M.J.

    2013-01-01

    Mice are increasingly being used in behavioral neuroscience, largely replacing rats as the behaviorist's animal of choice. Before aspects of behavior such as emotionality or cognition can be assessed, however, it is vital to determine whether the motor capabilities of e.g. a mutant or lesioned mouse allow such an assessment. Performance on a maze task requiring strength and coordination, such as the Morris water maze, might well be impaired in a mouse by motor, rather than cognitive, impairme...

  14. Equatorially coordinated lanthanide single ion magnets.

    Science.gov (United States)

    Zhang, Peng; Zhang, Li; Wang, Chao; Xue, Shufang; Lin, Shuang-Yan; Tang, Jinkui

    2014-03-26

    The magnetic relaxation dynamics of low-coordinate Dy(III) and Er(III) complexes, namely three-coordinate ones with an equatorially coordinated triangle geometry and five-coordinate ones with a trigonal bipyramidal geometry, have been exploited for the first time. The three-coordinate Er-based complex is the first equatorially coordinated mononuclear Er-based single-molecule magnet (SMM) corroborating that simple models can effectively direct the design of target SMMs incorporating 4f-elements. PMID:24625001

  15. Porphyrin coordination polymer nanospheres and nanorods

    Science.gov (United States)

    Wang, Zhongchun; Shelnutt, John A.; Medforth, Craig J.

    2012-12-04

    A porphyrin coordination polymer nanostructure comprising a network of pyridyl porphyrin molecules and coordinating metal ions coordinatively bound through the pyridyl groups. In some embodiments, the porphyrins are metalloporphyrins. A variety of nanostructures are formed by the network polymer, including nanospheres, polygonal nanostructures, nanorods, and nanofibers, depending on a variety of factors including coordination metal ion, porphyrin type, metal of the metalloporphyrin, and degree of agitation during nanostructure formation. Reduction of coordinating metal ions may be used to form metal nanoparticles on the coordination polymer nanostructure.

  16. Fermi coordinates and Penrose limits

    Energy Technology Data Exchange (ETDEWEB)

    Blau, Matthias; Frank, Denis; Weiss, Sebastian [Institut de Physique, Universite de Neuchatel Rue Breguet 1, CH-2000 Neuchatel (Switzerland)

    2006-06-07

    We propose a formulation of the Penrose plane wave limit in terms of null Fermi coordinates. This provides a physically intuitive (Fermi coordinates are direct measures of geodesic distance in spacetime) and manifestly covariant description of the expansion around the plane wave metric in terms of components of the curvature tensor of the original metric, and generalizes the covariant description of the lowest order Penrose limit metric itself, obtained in Blau et al (2004 Class. Quantum Grav. 21 L43-9). We describe in some detail the construction of null Fermi coordinates and the corresponding expansion of the metric, and then study various aspects of the higher order corrections to the Penrose limit. In particular, we observe that in general the first-order corrected metric is such that it admits a light-cone gauge description in string theory. We also establish a formal analogue of the Weyl tensor peeling theorem for the Penrose limit expansion in any dimension, and we give a simple derivation of the leading (quadratic) corrections to the Penrose limit of AdS{sub 5} x S{sup 5}.

  17. DEVELOPMENTAL COORDINATION DISORDER IN CHILDREN

    Directory of Open Access Journals (Sweden)

    Saeideh MIRAFKHAMI

    2010-03-01

    Full Text Available ObjectiveIn this article, a motor skill disorder called developmental coordination disorder (DCD, that is usually first diagnosed during childhood, is explained and discussed. In the year 1987, DCD was formally recognized as a distinct disorder in children by the American Psychiatric Association (APA. DCD is a generalized term for the children who have some degrees of impairment in the development of motor coordination and therefore have difficulties with physical skills which significantly interfere with their academic achievements and /or performing everyday activities. As they develop, other age-related tasks are also below average. Because these impairment & conditions are often associated with emotional distress, they can seriously interfere with the person's everyday life and social relationships. Reviews indicate that most of the training rocedures have only a limited effect on the development of general coordination, and that they have no effect at all on academic progress.This includes approaches based on assumed underlying deficiencies such as sensory integration deficits and kinesthetic functioning deficits, as well as the more traditional perceptual - motor training. One new approach is Cognitive Orientation to daily Occupational Performance (CO-OP, based on problem - solving strategies and guided discovery of the child and task specific strategies. The aim of this article was to inform, promote and disseminate more information about some difficulties in applying the diagnostic criteria for DCD. Also, a brief review of the researches on the intervention methods is presented.

  18. Implementation of the Integrated Early Childhood Policy in Senegal. Early Childhood and Family Policy Series.

    Science.gov (United States)

    Rayna, Sylvie

    As part of a UNESCO-sponsored series of studies examining how integrated and coordinated early childhood policies are implemented, this case study focuses on Senegal's integrated early childhood policy. The case study examines the context for policy development and analyzes the structure and resources of the Ministry for the Family and Early…

  19. The Imperative for Improved Global Economic Coordination

    OpenAIRE

    Stiglitz, Joseph E.

    2009-01-01

    While global coordination is absolutely essential, success in achieving it may prove difficult because economic globalization has outpaced political globalization. If we are to succeed, we will have to manage coordination better than we have in the past.

  20. 78 FR 57128 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2013-09-17

    ... assistance delivery systems, forest inventory and analysis, markets, climate change adaptation, forest... Program Coordinator, Cooperative Forestry Staff, 202-205-1376 or Ted Beauvais, Forest Resource Coordinating Committee Designated Federal Officer, Cooperative Forestry Staff, 202-205-1190. Individuals...

  1. Parenting Coordinators' Practices Recommendations: A Qualitative Study

    OpenAIRE

    Hirsch, Barbara Phyllis

    2016-01-01

    This qualitative study used a phenomenological approach to understand the experiences of seven parenting coordinators in using parenting coordination practices that they have found to be effective and would recommend to other parenting coordinators to achieve the following goals: educating parents, increasing the quality of parenting and co-parenting, managing conflict, and involving children and other family members in the process of parenting coordination. Data were collected with semi-str...

  2. Kerr metric, static observers and Fermi coordinates

    International Nuclear Information System (INIS)

    The coordinate transformation which maps the Kerr metric written in standard Boyer-Lindquist coordinates to its corresponding form adapted to the natural local coordinates of an observer at rest at a fixed position in the equatorial plane, i.e., Fermi coordinates for the neighbourhood of a static observer world line, is derived and discussed in a way which extends to any uniformly circularly orbiting observer there

  3. Coordination in humanitarian logistics through clusters

    OpenAIRE

    Jahre, Marianne; Jensen, Leif-Magnus

    2010-01-01

    Purpose – In the field of humanitarianism, cluster thinking has been suggested as a solution to the lack of coordinated disaster response. Clusters for diverse functions, including sheltering, logistics and water and sanitation, can be viewed as an effort to achieve functional coordination. The purpose of this paper is to contribute to a greater understanding of the potential of cluster concepts using supply chain coordination and inter‐cluster coordination. The focus is on the conceptual lev...

  4. Coordination: Theoretical, Methodological, and Experimental Perspectives

    OpenAIRE

    Paxton, Alexandra

    2015-01-01

    Interpersonal coordination broadly captures the ways in which interacting individuals become more similar over time in their behavior, cognition, and affect over time. The research area around interpersonal coordination is poised to yield unique insights into questions of human communication, interaction, and social behavior. As a field, interpersonal coordination still has immense room to grow---providing an exciting challenge to interdisciplinary researchers. Interpersonal coordination has ...

  5. Fokker - Planck equation in curvilinear coordinates

    OpenAIRE

    Tanski, Igor A.

    2005-01-01

    The aim of this paper is to rewrite the Fokker - Planck equation according to transformation of space coordinates. This is nontrivial problem, because transformation of space coordinates induces transformation of velocities. We can use covariant, contravariant or physical velocity components as independent variables in curvilinear coordinate system. These 3 possibilities are considered in this paper and 3 kinds of Fokker - Planck equation in curvilinear coordinates are formulated.

  6. 49 CFR 214.325 - Train coordination.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 4 2010-10-01 2010-10-01 false Train coordination. 214.325 Section 214.325..., DEPARTMENT OF TRANSPORTATION RAILROAD WORKPLACE SAFETY Roadway Worker Protection § 214.325 Train coordination. Working limits established by a roadway worker through the use of train coordination shall comply with...

  7. 45 CFR 1310.23 - Coordinated transportation.

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 4 2010-10-01 2010-10-01 false Coordinated transportation. 1310.23 Section 1310... START PROGRAM HEAD START TRANSPORTATION Special Requirements § 1310.23 Coordinated transportation. (a) Each agency providing transportation services must make reasonable efforts to coordinate...

  8. Managing interteam coordination within and between organizations

    NARCIS (Netherlands)

    de Vries, Thomas Arend

    2015-01-01

    To accomplish complex tasks and effectively respond to environmental contingencies, teams must coordinate task-related issues with other teams (i.e., interteam coordination). Regrettably, interteam coordination is often complicated by misunderstandings that can arise from differences in teams’ langu

  9. Is fiscal policy coordination in EMU desirable?

    NARCIS (Netherlands)

    R.M.W.J. Beetsma; X. Debrun; F.J.G.M. Klaassen

    2001-01-01

    'It is widely argued that Europe's unified monetary policy calls for international coordination of fiscal policy. This paper surveys the issues involved with the coordination of fiscal policies as a demand management tool. We discuss ex-ante and ex-post coordination. The former operates through bind

  10. Coordinated control of HVAC systems

    OpenAIRE

    Federspiel, Clifford C; Lanning, Sasha D; Li, Hulin; David M. Auslander

    2001-01-01

    This paper describes the development of new control logic for starting and stopping energy-intensive equipment in buildings such as staged air-conditioning units. The concept is to use pulse-width modulation (PWM) instead of level-crossing logic. A finite state machine is used to handle the case where a single unit has multiple stages of operation. An optimized coordinator determines the phase of the PWM signals of each unit so that peak demand for power is minimized over each PWM period. Con...

  11. Application coordination in pervasive systems

    CERN Document Server

    Majuntke, Verena Elisabeth

    2013-01-01

    Pervasive applications are designed to support users in their daily life. For this purpose, applications interact with their environment, i.e. their context. They are able to adapt themselves to context changes or to explicitly change the context via actuators. If multiple applications are executed in the same context, interferences are likely to occur. To manage interferences, a coordination framework is presented in this thesis. Interferences are detected using a context model and information about applications' interaction with the context. The resolution of interference is achieved through

  12. Coordinated hybrid automatic repeat request

    KAUST Repository

    Makki, Behrooz

    2014-11-01

    We develop a coordinated hybrid automatic repeat request (HARQ) approach. With the proposed scheme, if a user message is correctly decoded in the first HARQ rounds, its spectrum is allocated to other users, to improve the network outage probability and the users\\' fairness. The results, which are obtained for single- and multiple-antenna setups, demonstrate the efficiency of the proposed approach in different conditions. For instance, with a maximum of M retransmissions and single transmit/receive antennas, the diversity gain of a user increases from M to (J+1)(M-1)+1 where J is the number of users helping that user.

  13. New estimates of the Martian landers and rovers coordinates by combining Doppler data and topography model

    Science.gov (United States)

    Le Maistre, Sebastien

    2015-11-01

    We propose here a new method to determine the three coordinates of a spacecraft landed on Mars with a high accuracy as early as the very beginning of the mission. The method consists of determining first the in-equatorial plane coordinates with Doppler data only and then inferring the Z-coordinate (along the polar axis) using the MOLA topography model. The method is applied to several landed missions, providing good estimate of the Z-coordinate of Viking lander 1, Pathfinder and Spirit, but failing to improve the Z of Opportunity and Viking lander 2. Finally, the method is applied in the InSight landing ellipse showing the high probability to get InSight’s Z coordinate with a precision better than 10m after only a couple of days of observations.

  14. Intelligent navigation and multivehicle coordination

    Science.gov (United States)

    McKay, Mark D.; Anderson, Matthew O.; Kinoshita, Robert A.; Flann, Nicholas S.

    1999-07-01

    The Idaho National Engineering and Environmental Laboratory (INEEL) and Utah State University's Center for Self-Organizing and Intelligent Systems have developed a team of autonomous robotic vehicles. This paper discusses the development of a strategy that uses a sophisticated, highly intelligent sensor platform to allow centralized coordination between smaller and inexpensive robots. The three components of the multi-agent cooperative scheme are small-scale robots, large-scale robots, and the central control station running a mission and path- planning software. The smaller robots are used for activities where the probability of loss increases, such as Unexploded Ordnance (UXO) or mine detonation. The research is aimed at building simple, inexpensive multi-agent vehicles and an intelligent navigation and multi-vehicle coordination system suitable for UXO, environmental remediation or mine detection. These simplified robots are capable of conducting hunting missions using low-cost positioning sensors and intelligent algorithms. Additionally, a larger sensor-rich intelligent system capable of transporting smaller units to outlying remote sites has been developed. The larger system interfaces to the central control station and provides navigation assistance to multiple low-cost vehicles. Finally, mission and path-planning software serves as the operator control unit, allowing central data collection, map creation and tracking, and an interface to the larger system as well as each smaller unit. The power of this scheme is the ability to scale to the appropriate level for the complexity of the mission.

  15. Early Stimulation: A Joint Project Between Parents and Teachers.

    Science.gov (United States)

    Gomez, Aminta J. Da Costa

    The coordinator of an early stimulation program for handicapped children in Curacao describes the program in terms of home teaching, use of the Portage Project curriculum, and the importance of parent-professional cooperation. (CL)

  16. Early literacy

    OpenAIRE

    Janže, Daša

    2013-01-01

    Investigating early literacy activities in the preschool period has become more and more important in the recent years. In different sources and researches it is said that the development of literacy starts at the time of the child's birth and that preschool period has a big impact on it. The diploma paper »Early literacy« consists of the theoretical and empirical part. In the theoretical part I defined the notions of literacy, early literacy, emergent literacy and explored the effects of...

  17. Coordinated research projects (CRP). Coordinated research project (CRP)

    International Nuclear Information System (INIS)

    In the present paper, the contribution of Japanese scientists in coordinated research projects on thermonuclear fusion. Representative subjects taken in seven projects are the precise computation of theoretical data on electron-molecule collisions in the peripheral plasma, the computation of spectroscopic data of multi-charged tungsten ions, the spectroscopic measurement of multi-charged tungsten ions using an ion trap device, the development of collisional-radiative model for plasmas including hydrogen and helium, the computational and theoretical studies on the behavior of tungsten and beryllium in the plasma-wall interaction, the study on the property of dusts generated in fusion devices. These subjects are those of most important issues in ITER. (author)

  18. Collaborative Supply Chain Planning and Coordination

    DEFF Research Database (Denmark)

    Wong, Chee Yew

    strategies between the toy manufacturer and three European retailers. These three case studies provide evidences that the toy manufacturer and the retailers followed some particular patterns of planning coordination processes; they also practised some patterns of coordination behaviour during the...... coordination processes, particularly the behaviour of risk-taking/avoidance, conflict resolutions, and self-interest. All these lead to conclusion of five propositions or principles of supply chain coordination, and the theory of coordination process and behaviour. Combining the propositions of responsiveness......This thesis contains main results from an industrial PhD research in the areas of supply chain strategy, planning, and coordination. It applies the concepts of responsiveness and coordination to reduce mismatch of supply and demand, especially for a volatile and seasonal supply chain. It involves a...

  19. 3D-CRT联合主动脉呼吸控制主体定向放射治疗剂量学分析%Dosimetric analysis of 3D-CRT combined with active breathing coordinator in the stereotactic body radiation therapy for early-stage NSCLC

    Institute of Scientific and Technical Information of China (English)

    王若峥; 秦永辉; 尹勇; 巩贯忠; 于金明

    2013-01-01

    OBJECTIVE:To analyse the dosimetric characteristics of high-dose-rate three-dimensional conformal radiation therapy (3D-CRT) combined with active breathing coordinator (ABC) in stereotactic body radiation therapy (SBRT) of early-stage non-small cell lung cancer (NSCLC).METHODS:Eight patients with early-stage NSCLC were selected.The CT simulations were performed under ABC assistant moderated deep inspiration breath-hold(mDIBH) (80% of the respiratio peak as trigger threshold) and free breathing (FB).For different CT images,serious,high-dose-rate (1 000 Mu/min) 3D-CRT were designed for each patient respectively.The volume of PTV,GTV and total lung between the two breath status,the maximum dose (D1%),the minimum dose (D99%),conformity index(CI) and homogeneity index (HI)of PTV and dose-volume indices of organs at risk and the total MUs between two plans were compared.RESULTS:The planning target volume (PTV) was decreased from 158.04 cm3 in FB to 76.90 cm3 in mDIBH,the reduced ratio was 51.34% (P=0.006).The volume of GTV mDIBH was increased meanly about 3 cm3 than GTV-FB (P=0.658).The volume of ipsilateral lung,healthy lung and total lung were increased from 1 978.77 cm3,1 762.55 cm3,3 745.26 cm3 in FB to 2 910.88 cm3,2 671.13 cm3,5 615.85 cm3 in mDIBH with statistical difference,and the ratio were increased by 32.02%,35.36%,33.31% (P<0.05).The CI,HI,D1%,D99% of PTV in two plans were similar (P>0.05).V5 to V40 of ipsilateral lung,V5 to V40 and mean dose of total lung,V5 to V40 and mean dose of chest wall,maximum dose of spinal cord,V60-50 and V50-40 of the absolute dose volume in 3D-CRT-mDIBH were decreased significantly compared to 3D-CRTFB (P<0.05).V5 to V15 of healthy lung,V20 to V40 and D of heart,V40-30,V30-20 of the volume of absolute dose of mDIBH were smaller than that of FB,V20 10 and V10-V5 of the volume of absolute dose of mDIBH were larger than that of FB,all differences mentioned above were no statistical significance (P>0.05).The

  20. The Development of Coordinated Movement.

    Science.gov (United States)

    Montanaro, Silvana Quattrocchi

    2002-01-01

    Discusses stages of movement in the first 3 years of life with a philosophical dimension regarding evolutionary aspects of movement as first manifestation of "will." Describes how the early childhood environment is prepared to allow for movement and the connection between movement and brain development. Discusses the contribution of movement to…

  1. Coordinating International Response to Emergencies

    International Nuclear Information System (INIS)

    Pandemic disease, natural disasters and terrorism can affect thousands of people in a relatively short period of time anywhere in the world. Our recent international experience with hurricanes, earthquakes, tsunamis and infectious diseases (AIDS, TB and highly pathogenic avian influenza) show us that we must respond with a coordinated approach or we will fail the very people we intend to help. Nations from around the world are often eager to send assistance to the site of a disaster, but coordinating the incoming aid is more often flawed and imprecise than it must be in order to save lives and mitigate suffering. How can any one country, suffering from a horrendous calamity coordinate the incoming aid from around the world? Can any one agency hope to coordinate the myriad nation's response let alone that of the hundreds of non-governmental organizations? Currently, the answer is sadly, no. The purpose of this presentation is not to recommend one over the many international bodies which claim to oversee humanitarian assistance; the purpose of this presentation is to discuss the elements of only one aspect of the overall response effort: public health and medical response coordination. Public health response is of course different than a purely medical response. Traditionally, in a natural disaster, immediate public health concerns center around water, sewerage/waste disposal, potential for disease outbreaks, etc, whereas medical response concentrates on triage, saving those who can be saved, patching up the injured, and to a lesser extent, primary care to the survivors. In order to avoid political controversy, this presentation will use the example of Hurricane Iniki in Hawaii, September 1992, to illustrate key concepts. The State of Hawaii is no stranger to natural disasters. Their emergency response mechanisms are well honed, exercised and quite capable. However, the local community leaders on Kauai Island went thru each of the following phases before they

  2. Update on System Coordination Centre

    International Nuclear Information System (INIS)

    The new System Coordination Centre at the Power Pool of Alberta was designed to meet the unique requirements of Alberta's electric industry under the new regulatory regime. Development of the Centre, key provisions of the energy management system (EMS) are highlighted. The centre will provide an energy management system for the Pool's system controller function and interface with the Power Pool Administrator's market functions and the operations of the Transmission Administrator. System controllers are expected to be operating from the new location by the end of 1998. Unique EMS features of the centre include: (1) real-time management of energy market and network operations using diverse SCADA/EMS, (2) inter-control centre protocol used to accommodate the unique participant information requirements, and (3) special custom applications. The Centre is expected to be fully functioning by July 1999. 1 fig

  3. ProC: Process Coordinator

    Science.gov (United States)

    Planck software Team

    2016-01-01

    ProC (short for Process Coordinator) is a versatile workflow engine that allows the user to build, run and manage workflows with just a few clicks. It automatically documents every processing step, making every modification to data reproducible. ProC provides a graphical user interface for constructing complex data processing workflows out of a given set of computer programs. The user can, for example, specify that only data products which are affected by a change in the input data are updated selectively, avoiding unnecessary computations. The ProC suite is flexible and satisfies basic needs of data processing centers that have to be able to restructure their data processing along with the development of a project.

  4. Tree Formation Using Coordinate Method

    Directory of Open Access Journals (Sweden)

    Monika Choudhary

    2015-06-01

    Full Text Available In this paper we are introducing a new method of tree formation, we propose a coordinate based method by which we can store and access tree structures. As we know in NLP, parsing is the most important module. The output of this module is generally parsed trees. Currently, TAG (Tree Adjoining Grammar is widely used grammar due to its linguistic and formal nature. It is simply tree generating system. The unit structure used in TAG is structured trees. So we used our new method to store trees where we worked on English to Hindi language. We worked on different sentences from English to Hindi, our method is the easiest way to manipulate tree. We have implemented within small corpus and for finite number of structures and further can be extended in future.

  5. Coordination Frictions and Job Heterogeneity

    DEFF Research Database (Denmark)

    Kennes, John; le Maire, Christian Daniel

    This paper develops and extends a dynamic, discrete time, job to worker matching model in which jobs are heterogeneous in equilibrium. The key assumptions of this economic environment are (i) matching is directed and (ii) coordination frictions lead to heterogeneous local labor markets. We de- rive...... a number of new theoretical results, which are essential for the empirical application of this type of model to matched employer-employee microdata. First, we o¤er a robust equilibrium concept in which there is a continu- ous dispersion of job productivities and wages. Second, we show that our model...... results preserve the essential tractability of the baseline model with aggregate shocks. Therefore, we o¤er a parsimonious, general equilibrium framework in which to study the process by which the contin- uous dispersion of wages and productivities varies over the business cycle for a large population of...

  6. Wave propagation in complex coordinates

    Science.gov (United States)

    Horsley, S. A. R.; King, C. G.; Philbin, T. G.

    2016-04-01

    We give an interpretation for the use of complex spatial coordinates in electromagnetism, in terms of a family of closely related inhomogeneous media. Using this understanding we find that the phenomenon of reflection can be related to branch cuts in the wave that originate from poles of ε (z) at complex positions. Demanding that these branch cuts disappear, we derive a new large family of inhomogeneous media that are reflectionless for a single angle of incidence. Extending this property to all angles of incidence leads us to a generalized form of the Pöschl Teller potentials that in general include regions of loss and gain. We conclude by analyzing our findings within the phase integral (WKB) method, and find another very large family of isotropic planar media that from one side have a transmission of unity and reflection of zero, for all angles of incidence.

  7. Update on System Coordination Centre

    Energy Technology Data Exchange (ETDEWEB)

    Stangl, W. [Power Pool of Alberta, Calgary, AB (Canada)

    1998-07-01

    The new System Coordination Centre at the Power Pool of Alberta was designed to meet the unique requirements of Alberta`s electric industry under the new regulatory regime. Development of the Centre, key provisions of the energy management system (EMS) are highlighted. The centre will provide an energy management system for the Pool`s system controller function and interface with the Power Pool Administrator`s market functions and the operations of the Transmission Administrator. System controllers are expected to be operating from the new location by the end of 1998. Unique EMS features of the centre include: (1) real-time management of energy market and network operations using diverse SCADA/EMS, (2) inter-control centre protocol used to accommodate the unique participant information requirements, and (3) special custom applications. The Centre is expected to be fully functioning by July 1999. 1 fig.

  8. Coordination control of distributed systems

    CERN Document Server

    Villa, Tiziano

    2015-01-01

    This book describes how control of distributed systems can be advanced by an integration of control, communication, and computation. The global control objectives are met by judicious combinations of local and nonlocal observations taking advantage of various forms of communication exchanges between distributed controllers. Control architectures are considered according to  increasing degrees of cooperation of local controllers:  fully distributed or decentralized control,  control with communication between controllers,  coordination control, and multilevel control.  The book covers also topics bridging computer science, communication, and control, like communication for control of networks, average consensus for distributed systems, and modeling and verification of discrete and of hybrid systems. Examples and case studies are introduced in the first part of the text and developed throughout the book. They include: control of underwater vehicles, automated-guided vehicles on a container terminal, contro...

  9. Photoactive devices including porphyrinoids with coordinating additives

    Energy Technology Data Exchange (ETDEWEB)

    Forrest, Stephen R; Zimmerman, Jeramy; Yu, Eric K; Thompson, Mark E; Trinh, Cong; Whited, Matthew; Diev, Vlacheslav

    2015-05-12

    Coordinating additives are included in porphyrinoid-based materials to promote intermolecular organization and improve one or more photoelectric characteristics of the materials. The coordinating additives are selected from fullerene compounds and organic compounds having free electron pairs. Combinations of different coordinating additives can be used to tailor the characteristic properties of such porphyrinoid-based materials, including porphyrin oligomers. Bidentate ligands are one type of coordinating additive that can form coordination bonds with a central metal ion of two different porphyrinoid compounds to promote porphyrinoid alignment and/or pi-stacking. The coordinating additives can shift the absorption spectrum of a photoactive material toward higher wavelengths, increase the external quantum efficiency of the material, or both.

  10. Control coordination abilities in shock combat sports

    Directory of Open Access Journals (Sweden)

    Natalya Boychenko

    2014-12-01

    Full Text Available Purpose: optimize the process control level of coordination abilities in martial arts. Material and Methods: analysis and compilation of scientific and methodological literature, interviews with coaches of drum martial arts, video analysis techniques, teacher observations. Results: identified specific types of coordination abilities in shock combat sports. Pod branny and offered specific and nonspecific tests to monitor the level of species athletes coordination abilities. Conclusion: it is determined that in order to achieve victory in the fight martial artists to navigate the space to be able to assess and manage dynamic and spatio-temporal parameters of movements, maintain balance, have a high coordination of movements. The proposed tests to monitor species coordination abilities athletes allow an objective assessment of not only the overall level of coordination, and the level of specific types of manifestations of this ability.

  11. Characteristics of Trivalent Lanthanides in Coordination Chemistry

    Institute of Scientific and Technical Information of China (English)

    Xue Dongfeng(薛冬峰); Zuo Sen(左森); Henryk Ratajczak

    2004-01-01

    Some basic characteristics of lanthanide-oxygen bonds in various trivalent lanthanide metal-organic complexes are quantitatively studied by the bond valence model. Some important relationships among the electronegativity, bond valence parameter, bond length and lanthanide coordination number in these complexes are generally found , which show that for each trivalent lanthanide cation all calculated parameters may well be correlated with its coordination number in their coordination complexes. Specifically,32 new data for the bond valence parameter are first calculated in this work.An approximate linear relationship between the Ln-O bond valence parameter and the coordination number of Ln3+ is obtained.The Ln-O bond length increases with the increase in the lanthanide coordination number.The difference of electronegative values decreases with the increase in the lanthanide coordination number.

  12. Reaction Coordinates and Mechanistic Hypothesis Tests.

    Science.gov (United States)

    Peters, Baron

    2016-05-27

    Reaction coordinates are integral to several classic rate theories that can (a) predict kinetic trends across conditions and homologous reactions, (b) extract activation parameters with a clear physical interpretation from experimental rates, and (c) enable efficient calculations of free energy barriers and rates. New trajectory-based rare events methods can provide rates directly from dynamical trajectories without a reaction coordinate. Trajectory-based frameworks can also generate ideal (but abstract) reaction coordinates such as committors and eigenfunctions of the master equation. However, rates and mechanistic insights obtained from trajectory-based methods and abstract coordinates are not readily generalized across simulation conditions or reaction families. We discuss methods for identifying physically meaningful reaction coordinates, including committor analysis, variational transition state theory, Kramers-Langer-Berezhkovskii-Szabo theory, and statistical inference methods that can use path sampling data to screen, mix, and optimize thousands of trial coordinates. Special focus is given to likelihood maximization and inertial likelihood maximization approaches. PMID:27090846

  13. Configuration space representation in parallel coordinates

    Science.gov (United States)

    Fiorini, Paolo; Inselberg, Alfred

    1989-01-01

    By means of a system of parallel coordinates, a nonprojective mapping from R exp N to R squared is obtained for any positive integer N. In this way multivariate data and relations can be represented in the Euclidean plane (embedded in the projective plane). Basically, R squared with Cartesian coordinates is augmented by N parallel axes, one for each variable. The N joint variables of a robotic device can be represented graphically by using parallel coordinates. It is pointed out that some properties of the relation are better perceived visually from the parallel coordinate representation, and that new algorithms and data structures can be obtained from this representation. The main features of parallel coordinates are described, and an example is presented of their use for configuration space representation of a mechanical arm (where Cartesian coordinates cannot be used).

  14. Methods of Safety Improvements at Coordinated Signals

    OpenAIRE

    Li, Wei; Tarko, Andrew P.

    2008-01-01

    In this research, the safety impact of arterial signal coordination is investigated. Based on the findings, procedures are proposed to incorporate safety considerations into signal coordination design. In addition, a software tool is developed to facilitate the use of the research findings. Signal coordination has been extensively employed as a tool to optimize an arterial system’s mobility performance, commonly measured by the total number of vehicle stops and the time of delays. Although ve...

  15. Managing interteam coordination within and between organizations

    OpenAIRE

    de Vries, Thomas Arend

    2015-01-01

    To accomplish complex tasks and effectively respond to environmental contingencies, teams must coordinate task-related issues with other teams (i.e., interteam coordination). Regrettably, interteam coordination is often complicated by misunderstandings that can arise from differences in teams’ languages, routines, and goals. In this dissertation I examine organizational structures, team composition strategies, and individual team member characteristics that can help to overcome such difficult...

  16. Convergence of barycentric coordinates to barycentric kernels

    KAUST Repository

    Kosinka, Jiří

    2016-02-12

    We investigate the close correspondence between barycentric coordinates and barycentric kernels from the point of view of the limit process when finer and finer polygons converge to a smooth convex domain. We show that any barycentric kernel is the limit of a set of barycentric coordinates and prove that the convergence rate is quadratic. Our convergence analysis extends naturally to barycentric interpolants and mappings induced by barycentric coordinates and kernels. We verify our theoretical convergence results numerically on several examples.

  17. Black Hole Structure in Schwarzschild Coordinates

    OpenAIRE

    Proffitt D.

    2014-01-01

    In the analysis of the interior region of both stationary and rotating black holes, it is customary to switch to a set of in-falling coordinates to avoid problems posed by the coordinate singularity at the event horizon. I take the view here that to understand the physics of black holes, we need to restrict ourselves to book keeper or Schwarzschild coordinates of a distant observer if we are to derive measurable properties. I show that one can derive interesting proper...

  18. Using reinforcement learning to coordinate better

    OpenAIRE

    Excelente-Toledo, C.B.; Jennings, N. R.

    2005-01-01

    This paper examines the potential and the impact of introducing learning capabilities into autonomous agents that make decisions at run-time about which mechanism to exploit in order to coordinate their activities. Specifically, our motivating hypothesis is that to deal with dynamic and unpredictable environments it is important to have agents that learn the right situations in which to attempt coordination and the right coordination method to use in those situations. In particular, the effic...

  19. Spectral Asymmetry Due to Magnetic Coordinates

    Energy Technology Data Exchange (ETDEWEB)

    Park, Jong-kyu; Boozer, Allen H.; Menard, Jonathan E.

    2008-05-06

    The use of magnetic coordinates is ubiquitous in toroidal plasma physics, but the distortion in Fourier spectra produced by these coordinates is not well known. A spatial symmetry of the field is not always represented by a symmetry in the Fourier spectrum when magnetic coordinates are used because of the distortion of the toroidal angle. The practical importance of spectral distortion is illustrated with a tokamak example.

  20. Noncommutative Btz Black Hole in Different Coordinates

    Science.gov (United States)

    Ee, Chang-Young

    We consider noncommutative BTZ black hole solutions in two different coordinate systems, the polar and rectangular coordinates. The analysis is carried out by obtaining noncommutative solutions of U(1, 1) × U(1, 1) Chern-Simons theory on AdS3 in the two coordinate systems via the Seiberg-Witten map. This is based on the noncommutative extension of the equivalence between the classical BTZ solution and the solution of ordinary SU(1, 1) × SU(1, 1) Chern-Simons theory on AdS3. The obtained solutions in these noncommutative coordinate systems become different in the first order of the noncommutativity parameter θ.

  1. The construction of Generalized Magnetic Coordinates

    International Nuclear Information System (INIS)

    Generalized Magnetic Coordinates (GMC) are curvilinear coordinates (ξ, η, ζ), in which the magnetic field is expressed in the form B=∇Ψ(ξ, η, ζ) x ∇ζ + Hζ(ξ, η)∇ξ x ∇η. The GMC construction algorithm is applied to the simple periodic model magnetic field. The coordinates are expanded in the Fourier series in three dimensions. It is obtained after about 10 - 35 times iterations. The coordinates are well constructed by the comparatively small number of Fourier modes. (author)

  2. Coordinate systems and map projections

    CERN Document Server

    Maling, DH

    1992-01-01

    A revised and expanded new edition of the definitive English work on map projections. The revisions take into account the huge advances in geometrical geodesy which have occurred since the early years of satellite geodesy. The detailed configuration of the geoid resulting from the GEOS and SEASAT altimetry measurements are now taken into consideration. Additionally, the chapter on computation of map projections is updated bearing in mind the availability of pocket calculators and microcomputers. Analytical derivation of some map projections including examples of pseudocylindrical and polyconic

  3. Cognitive process-based subtypes of developmental coordination disorder (DCD).

    Science.gov (United States)

    Asonitou, Katerina; Koutsouki, Dimitra

    2016-06-01

    The purpose of the study was to identify the cognitive subtypes demonstrated by children with developmental coordination disorder (DCD) using the Planning-Attention-Simultaneous-Successive Processing (PASS) theory and the Cognitive Assessment System (D-N CAS). Participants were 108 children aged 5- and 6-years old, 54 with DCD and 54 without DCD, all attending typical kindergartens. They were examined on 31 cognitive-motor variables. Hierarchical-agglomerative and iterative partitioning cluster analyses including 9 motor and 7 cognitive variables revealed the following six subtypes: It is well known that DCD is a heterogeneous condition. However, whenever cognitive processes were lower than average, cognitive-motor relationship was evident in subgroups C1, C4, C5 and C6. Early identification of task-specific cognitive-motor difficulties may be essential for early educational intervention practices in order to anticipate and improve learning, academic and performing difficulties. PMID:26991728

  4. Linkage isomerism in coordination polymers.

    Science.gov (United States)

    Benmansour, Samia; Setifi, Fatima; Triki, Smail; Gómez-García, Carlos J

    2012-02-20

    The use of the recently prepared polynitrile ligand tcnopr3OH(-) ([(NC)(2)CC(OCH(2)CH(2)CH(2)OH)C(CN)(2)](-)) with different salts of Fe(II), Co(II), and Ni(II) has led to a very rare example of linkage isomerism in a coordination chain. These pairs of linkage isomers can be formulated as [M(tcnopr3OH-κN,κO)(2)(H(2)O)(2)]; M = Fe (1), Co (3), and Ni(5) and [M(tcnopr3OH-κN,κN')(2)(H(2)O)(2)]; M = Fe (2), Co (4), and Ni (6). Compounds 1-2, 3-4, and 5-6 are three pairs of linkage isomers since they present the same formula and chain structure and they only differ in the connectivity of the polynitrile ligand bridging the metal ions in the chain: through a N and an O atom (1κN:2κO-isomer) or through two N atoms (1κN:2κN'-isomer). The magnetic properties show, as expected, very similar behaviors for both isomers. PMID:22296602

  5. New form of geodetic coordinate system taking two length quantity as coordinate parameters

    Institute of Scientific and Technical Information of China (English)

    Yimin SHI; Ziyang ZHU; Yeming FAN

    2009-01-01

    A new form of geodetic coordinate system based on geodesic coordinates instead of geodetic long-itude and latitude was proposed. The vertical and horizontal geodesic coordinates measured with length were defined as coordinate parameters, but the two families of coordinate curves were still meridians and parallel circles. The first fundamental form on the ellipsoidal surface and its three coefficients were deduced by the geodesic coordinate. The formula for the latitudinal scale factor of length for geodetic parallel lines was derived, by which the obtained result conformed to that standard value calculated from geodetic latitude, and it is applicable in the range of 400 km from north to south. Therefore, it lays the foundation for establishing the differential equation and differential relationship based on this type of coordinate parameters; and consequently, it is convenient and accurate enough to operate on the ellipsoidal surface in this new form of geodetic coordinate system.

  6. Guidelines for the Practice of Parenting Coordination

    Science.gov (United States)

    American Psychologist, 2012

    2012-01-01

    Parenting coordination is a nonadversarial dispute resolution process that is court ordered or agreed on by divorced and separated parents who have an ongoing pattern of high conflict and/or litigation about their children. These guidelines are designed to address the developing area of practice known as parenting coordination. In response to the…

  7. COORDINATION CHEMISTRY IN THE REPUBLIC OF MOLDOVA

    OpenAIRE

    Ion Bulhac; Aurelian Gulea; Dumitru Batâr

    2009-01-01

    This article is dedicated to the history of apparition and development of Coordination chemistry in Moldova.The main scientific centres are characterized, as well as their main research directions. The most valuable results in fundamental and applicative research are described, obtained in the field of coordination chemistry in the republic.

  8. Distributed Coordination of Household Electricity Consumption

    DEFF Research Database (Denmark)

    Juelsgaard, Morten; Teixeira, Andre; Johansson, Mikael;

    2014-01-01

    This work presents a distributed framework for coordination of flexible electricity consumption for a number of households in the distribution grid. We conduct coordination with the purpose of minimizing a trade-off between individual concerns about discomfort and electricity cost, on the one hand...

  9. Social Ties and Coordination on Negative Reciprocity

    DEFF Research Database (Denmark)

    Reuben, Ernesto; van Winden, Frans

    on the responders’ decisions, beliefs, and emotions. We find that friends punish the proposer more than strangers, and that they are more likely to coordinate their punishment (without communication). Both punishment and coordination are explained by the responders’ emotional reactions. Furthermore, the responders......’ expectations are better predictors of emotions and destruction than their fairness perceptions...

  10. 40 CFR 109.6 - Coordination.

    Science.gov (United States)

    2010-07-01

    ... Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) WATER PROGRAMS CRITERIA FOR STATE, LOCAL AND REGIONAL OIL REMOVAL CONTINGENCY PLANS § 109.6 Coordination. For the purposes of coordination... consultation with private interests. A copy of any oil removal contingency plan developed by State and...

  11. Articulatory Constraints on Interpersonal Postural Coordination

    Science.gov (United States)

    Shockley, Kevin; Baker, Aimee A.; Richardson, Michael J.; Fowler, Carol A.

    2007-01-01

    Cooperative conversation has been shown to foster interpersonal postural coordination. The authors investigated whether such coordination is mediated by the influence of articulation on postural sway. In Experiment 1, talkers produced words in synchrony or in alternation, as the authors varied speaking rate and word similarity. Greater shared…

  12. Advanced Coordinating Control System for Power Plant

    Institute of Scientific and Technical Information of China (English)

    WU Peng; WEI Shuangying

    2006-01-01

    The coordinating control system is popular used in power plant. This paper describes the advanced coordinating control by control methods and optimal operation, introduces their principals and features by using the examples of power plant operation. It is wealthy for automation application in optimal power plant operation.

  13. COORDINATION CHEMISTRY IN THE REPUBLIC OF MOLDOVA

    Directory of Open Access Journals (Sweden)

    Ion Bulhac

    2009-06-01

    Full Text Available This article is dedicated to the history of apparition and development of Coordination chemistry in Moldova.The main scientific centres are characterized, as well as their main research directions. The most valuable results in fundamental and applicative research are described, obtained in the field of coordination chemistry in the republic.

  14. You're a "What"? Recycling Coordinator

    Science.gov (United States)

    Torpey, Elka Maria

    2011-01-01

    Recycling coordinators supervise curbside and dropoff recycling programs for municipal governments or private firms. Today, recycling is mandatory in many communities. And advancements in collection and processing methods have helped to increase the quantity of materials for which the recycling coordinator is responsible. In some communities,…

  15. 77 FR 260 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2012-01-04

    ...; ] DEPARTMENT OF AGRICULTURE Forest Service Forest Resource Coordinating Committee AGENCY: Forest Service, USDA. ACTION: Notice of call for nominations. SUMMARY: The Forest Resource Coordinating Committee (FRCC) is filling eight vacant positions. Candidates who wish to be considered for membership on the Forest...

  16. 78 FR 6806 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2013-01-31

    ... Forest Service Forest Resource Coordinating Committee AGENCY: Forest Service, USDA. ACTION: Notice of meeting. SUMMARY: The Forest Resource Committee Meeting will meet in Arlington, Va. The committee is... copying. The public may inspect comments received on the Forest Resource Coordinating Committee Web...

  17. Energy Materials Coordinating Committee (EMaCC)

    Energy Technology Data Exchange (ETDEWEB)

    1991-05-31

    This report summarizes EMaCC activities for fiscal year 1990 and describes the materials research programs of various offices and divisions within the department. The DOE Energy Materials Coordinating Committee (EMaCC) serves primarily to enhance coordination among the Department's materials programs and to further the effective use of materials expertise within the department. (JL)

  18. Unpacking Coordination Benefits in Supply Networks

    DEFF Research Database (Denmark)

    Petrick, Irene J.; Maitland, Carleen; Pogrebnyakov, Nicolai

    2016-01-01

    This paper examines how coordination among firms in supply networks generates benefits in the short and long terms for firms. It focuses on information technology (IT) and process improvement coordination. Analysis was performed on quantitative and qualitative data from a sample of SMEs in plasti...

  19. Coordination of Knowledge in Judging Animated Motion

    Science.gov (United States)

    Thaden-Koch, Thomas C.; Dufresne, Robert J.; Mestre, Jose P.

    2006-01-01

    Coordination class theory is used to explain college students' judgments about animated depictions of moving objects. diSessa's coordination class theory models a "concept" as a complex knowledge system that can reliably determine a particular type of information in widely varying situations. In the experiment described here, fifty individually…

  20. Encoding and Retrieval During Bimanual Rhythmic Coordination

    Science.gov (United States)

    Shockley, Kevin; Turvey, Michael T.

    2005-01-01

    In 2 experiments, bimanual 1:1 rhythmic coordination was performed concurrently with encoding or retrieval of word lists. Effects of divided attention (DA) on coordination were indexed by changes in mean relative phase and recurrence measures of shared activity between the 2 limbs. Effects of DA on memory were indexed by deficits in recall…

  1. Coordinating Networks of Robotic Observatories

    Science.gov (United States)

    Mason, C. L.

    1993-12-01

    a Multi-Agent Test Environment used for monitoring and coordinating distributed multi-agent systems on local area networks. Agents operate on Sparc (UNIX) workstations, with telescope controllers on PCs.

  2. The Development of Coordinated Communication in Infants at Heightened Risk for Autism Spectrum Disorder

    Science.gov (United States)

    Parladé, Meaghan V.; Iverson, Jana M.

    2015-01-01

    This study evaluated the extent to which developmental change in coordination of social communication in early infancy differentiates children eventually diagnosed with ASD from those not likely to develop the disorder. A prospective longitudinal design was used to compare nine infants at heightened risk for ASD (HR) later diagnosed with ASD, to…

  3. Synthesis and lanthanide coordination chemistry of trifluoromethyl derivatives of phosphinoylmethyl pyridine N-oxides

    Energy Technology Data Exchange (ETDEWEB)

    Pailloux, Sylvie [University of New Mexico, Albuquerque; Shirima, Cornel Edicome [University of New Mexico, Albuquerque; Duesler, Eileen N. [University of New Mexico, Albuquerque; Smith, Karen Ann [University of New Mexico, Albuquerque; Paine, Robert T. [University of New Mexico, Albuquerque; Klaehn, John D. [Idaho National Laboratory (INL); McIlwain, Michael E [Idaho National Laboratory (INL); Hay, Benjamin [ORNL

    2009-01-01

    A synthetic route for the formation of 2-[bis-(2-trifluoromethyl-phenyl)-phosphinoylmethyl]-pyridine N-oxide (1c) and 2-[bis-(3,5-trifluoromethyl-phenyl)-phosphinoylmethyl]-pyridine N-oxide (1d) was developed and the new ligands characterized by spectroscopic methods and single crystal X-ray diffraction analyses. The coordination chemistry of the ligands was examined with early and late lanthanide ions. The molecular structure of one complex, [Yb(1c)(NO3)3(DMF)](DMF)(H2O)0.5, was determined by single crystal X-ray diffraction methods and the ligand found to coordinate in a bidentate fashion. This coordination chemistry is compared against lanthanide coordination chemistry observed for the related ligand, [Ph2P(O)CH2] C5H4NO.

  4. A Personal Health Network for Chemotherapy Care Coordination: Evaluation of Usability Among Patients.

    Science.gov (United States)

    Kim, Katherine K; Bell, Janice F; Bold, Richard; Davis, Andra; Ngo, Victoria; Reed, Sarah C; Joseph, Jill G

    2016-01-01

    Cancer is a top concern globally. Cancer care suffers from lack of coordination, silos of information, and high cost. Interest is emerging in person-centered technology to assist with coordination to address these challenges. This study evaluates the usability of the "personal health network" (PHN), a novel solution leveraging social networking and mobile technologies, among individuals undergoing chemotherapy and receiving care coordination. Early results from interviews of 12 participants in a randomized pragmatic trial suggest that they feel more connected to the healthcare team using the PHN, find value in access to the patient education library, and are better equipped to organize the many activities that occur during chemotherapy. Improvements are needed in navigation, connectivity, and integration with electronic health records. Findings contribute to improvements in the PHN and informs a roadmap for potentially greater impact in technology-enabled cancer care coordination. PMID:27332197

  5. Coordinated School Health and the Contribution of a District Wellness Coordinator

    Science.gov (United States)

    Westrich, Lisa; Sanchez, Monika; Strobel, Karen

    2015-01-01

    Background: A San Francisco Bay Area school health initiative was established in fall 2010 to improve wellness programs in 4 local school districts using the Coordinated School Health (CSH) model. This study examines the role of district-wide wellness coordinators and the ways in which they contribute to intentional coordination of health and…

  6. Scalable Social Coordination using Enmeshed Queries

    CERN Document Server

    Chen, Jianjun; Varghese, George

    2012-01-01

    Social coordination allows users to move beyond awareness of their friends to efficiently coordinating physical activities with others. While specific forms of social coordination can be seen in tools such as Evite, Meetup and Groupon, we introduce a more general model using what we call {\\em enmeshed queries}. An enmeshed query allows users to declaratively specify an intent to coordinate by specifying social attributes such as the desired group size and who/what/when, and the database returns matching queries. Enmeshed queries are continuous, but new queries (and not data) answer older queries; the variable group size also makes enmeshed queries different from entangled queries, publish-subscribe systems, and dating services. We show that even offline group coordination using enmeshed queries is NP-hard. We then introduce efficient heuristics that use selective indices such as location and time to reduce the space of possible matches; we also add refinements such as delayed evaluation and using the relative...

  7. Coordinate metrology accuracy of systems and measurements

    CERN Document Server

    Sładek, Jerzy A

    2016-01-01

    This book focuses on effective methods for assessing the accuracy of both coordinate measuring systems and coordinate measurements. It mainly reports on original research work conducted by Sladek’s team at Cracow University of Technology’s Laboratory of Coordinate Metrology. The book describes the implementation of different methods, including artificial neural networks, the Matrix Method, the Monte Carlo method and the virtual CMM (Coordinate Measuring Machine), and demonstrates how these methods can be effectively used in practice to gauge the accuracy of coordinate measurements. Moreover, the book includes an introduction to the theory of measurement uncertainty and to key techniques for assessing measurement accuracy. All methods and tools are presented in detail, using suitable mathematical formulations and illustrated with numerous examples. The book fills an important gap in the literature, providing readers with an advanced text on a topic that has been rapidly developing in recent years. The book...

  8. Knowledge coordination in distributed software management

    DEFF Research Database (Denmark)

    Persson, John Stouby; Mathiassen, Lars

    2012-01-01

    resources. We have therefore studied virtual meetings among the managers of a cross-organizational and cross-border joint venture who was highly dedicated to multimodal communication. Since coordination is most clearly noticeable when it is lacking, we investigated knowledge coordination by analyzing...... communication breakdowns on recordings of their combined teleconferencing and real-time collaborative modeling. As a result, we offer theoretical propositions that explain how distributed software managers can deal with communication breakdowns and effectively coordinate knowledge through multimodal virtual......Software organizations are increasingly relying on cross-organizational and cross-border collaboration, requiring effective coordination of distributed knowledge. However, such coordination is challenging due to spatial separation, diverging communities-of-practice, and unevenly distributed...

  9. Learning and coordinating in a multilayer network

    CERN Document Server

    Lugo, Haydee

    2014-01-01

    We introduce a two layer network model for social coordination incorporating two relevant ingredients: a) different networks of interaction to learn and to obtain a payoff , and b) decision making processes based both on social and strategic motivations. Two populations of agents are distributed in two layers with intralayer learning processes and playing interlayer a coordination game. We find that the skepticism about the wisdom of crowd and the local connectivity are the driving forces to accomplish full coordination of the two populations, while polarized coordinated layers are only possible for all-to-all interactions. Local interactions also allow for full coordination in the socially efficient Pareto-dominant strategy in spite of being the riskier one.

  10. Sensory Motor Coordination in Robonaut

    Science.gov (United States)

    Peters, Richard Alan, II

    2003-01-01

    As a participant of the year 2000 NASA Summer Faculty Fellowship Program, I worked with the engineers of the Dexterous Robotics Laboratory at NASA Johnson Space Center on the Robonaut project. The Robonaut is an articulated torso with two dexterous arms, left and right five-fingered hands, and a head with cameras mounted on an articulated neck. This advanced space robot, now driven only teleoperatively using VR gloves, sensors and helmets, is to be upgraded to a thinking system that can find, interact with and assist humans autonomously, allowing the Crew to work with Robonaut as a (junior) member of their team. Thus, the work performed this summer was toward the goal of enabling Robonaut to operate autonomously as an intelligent assistant to astronauts. Our underlying hypothesis is that a robot can develop intelligence if it learns a set of basic behaviors (i.e., reflexes - actions tightly coupled to sensing) and through experience learns how to sequence these to solve problems or to accomplish higher-level tasks. We describe our approach to the automatic acquisition of basic behaviors as learning sensory-motor coordination (SMC). Although research in the ontogenesis of animals development from the time of conception) supports the approach of learning SMC as the foundation for intelligent, autonomous behavior, we do not know whether it will prove viable for the development of autonomy in robots. The first step in testing the hypothesis is to determine if SMC can be learned by the robot. To do this, we have taken advantage of Robonaut's teleoperated control system. When a person teleoperates Robonaut, the person's own SMC causes the robot to act purposefully. If the sensory signals that the robot detects during teleoperation are recorded over several repetitions of the same task, it should be possible through signal analysis to identify the sensory-motor couplings that accompany purposeful motion. In this report, reasons for suspecting SMC as the basis for

  11. Noncommutative BTZ Black Hole in Different Coordinates

    OpenAIRE

    Chang-Young, Ee

    2009-01-01

    We consider noncommutative BTZ black hole solutions in two different coordinate systems, the polar and rectangular coordinates. The analysis is carried out by obtaining noncommutative solutions of $U(1,1)\\times U(1,1)$ Chern-Simons theory on $AdS_3$ in the two coordinate systems via the Seiberg-Witten map. This is based on the noncommutative extension of the equivalence between the classical BTZ solution and the solution of ordinary $SU(1,1)\\times SU(1,1)$ Chern-Simons theory on $AdS_3$. The ...

  12. Anatomic Breast Coordinate System for Mammogram Analysis

    DEFF Research Database (Denmark)

    Karemore, Gopal Raghunath; Brandt, S; Karssemeijer, N;

    2011-01-01

    represented by geodesic distance (s) from nipple and parametric angle (¿) as shown in figure 1. The scoring technique called MTR (mammographic texture resemblance marker) used this breast coordinate system to extract Gaussian derivative features. The features extracted using the (x,y) and the curve...... alignment error. Potentially this coordinate system may be used also for improving precision in CAD systems. Keywords: Breast Coordinate system, Breast Cancer, Imaging marker.......Purpose Many researchers have investigated measures also other than density in the mammogram such as measures based on texture to improve breast cancer risk assessment. However, parenchymal texture characteristics are highly dependent on the orientation of vasculature structure and fibrous tissue...

  13. Black Hole Structure in Schwarzschild Coordinates

    Directory of Open Access Journals (Sweden)

    Proffitt D.

    2014-07-01

    Full Text Available In the analysis of the interior region of both stationary and rotating black holes, it is customary to switch to a set of in-falling coordinates to avoid problems posed by the coordinate singularity at the event horizon. I take the view here that to understand the physics of black holes, we need to restrict ourselves to book keeper or Schwarzschild coordinates of a distant observer if we are to derive measurable properties. I show that one can derive interesting properties of black holes th at might explain some of the observational evidence available without the necessity of introducing further ad hoc conjectures.

  14. Pilot Implementation of Breast Cancer Early Detection Programs in Colombia

    OpenAIRE

    Murillo, Raúl; Díaz, Sandra; Sánchez, Oswaldo; Perry, Fernando; Piñeros, Marion; Poveda, César; Salguero, Edgar; Osorio, Dimelza

    2008-01-01

    Breast cancer is increasing in developing countries, and Colombia has a double burden from cervical and breast cancer. Suitable guidelines for breast cancer early detection are needed, and the Breast Health Global Initiative provides a favorable framework for breast cancer control in low resource nations. The Colombian National Cancer Institute developed evidence-based guidelines for breast cancer early detection in which coordinated early detection in symptomatic women and hospital-based scr...

  15. Interactions of ruthenium coordination cubes with DNA

    OpenAIRE

    Barry, Nicolas P. E.; Abd Karim, Nurul H.; Vilar, Ramón; Therrien, Bruno

    2010-01-01

    The interactions of four octacationic ruthenium coordination cubes with duplex and quadruplex (telomeric and c-myc) DNA have been studied by FID and SPR, showing these cubes to bind strongly to tetrastranded DNA structures.

  16. General relativistic hydrodynamics in curvilinear coordinates

    CERN Document Server

    Montero, Pedro J; Müller, Ewald

    2013-01-01

    In this paper we report on what we believe is the first successful implementation of relativistic hydrodynamics, coupled to dynamical spacetimes, in spherical polar coordinates without symmetry assumptions. We employ a high-resolution shock-capturing scheme, which requires that the equations be cast in flux-conservative form. One example of such a form is the :Valencia" formulation, which has been adopted in numerous applications, in particular in Cartesian coordinates. Here we generalize this formulation to allow for a reference-metric approach, which provides a natural framework for calculations in curvilinear coordinates. In spherical polar coordinates, for example, it allows for an analytical treatment of the singular r and sin(\\theta) terms that appear in the equations. We experiment with different versions of our generalized Valencia formulation in numerical implementations of relativistic hydrodynamics for both fixed and dynamical spacetimes. We consider a number of different tests -- non-rotating and ...

  17. Coordination Polymer Gels by Electron Beam

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Ji Ha; Cho, Young Je; Jung, Jong Hwa [Gyeongsang National Univ., Jinju (Korea, Republic of)

    2011-07-01

    Hydrogenation of a pyridine derivative possessing tetrazole moieties as end groups, without long alkyl chain groups, results in the formation of a Mg(NO{sub 3}){sub 2} coordination polymer gel. The polymer exhibits a strong fluorescence enhancement upon gel formation. 1 can also be gloated with a variety of magnesium anions such as SO{sub 4}{sup 2-}, NO{sub 3}{sup -}, Cl{sup -}, Br{sup -} and I{sup -}, indicating that the coordination polymer gel formation of 1 does not strongly depends on anions. The Seam and ABM images of Mg{sup 2+} coordination polymer gel 1 display a flabbier network with several micrometers long, widths in the range 60-70 nm and thicknesses of about 3 nm. In addition, photophysical studies show that the hydrogel exhibits a typical {pi}-{pi} transition and gives rise to high fluorescence behavior. The coordination polymer hydrogel exhibits viscoelastic behavior as evidenced from the rheological studies.

  18. Coordination Polymer Gels by Electron Beam

    International Nuclear Information System (INIS)

    Hydrogenation of a pyridine derivative possessing tetrazole moieties as end groups, without long alkyl chain groups, results in the formation of a Mg(NO3)2 coordination polymer gel. The polymer exhibits a strong fluorescence enhancement upon gel formation. 1 can also be gloated with a variety of magnesium anions such as SO42-, NO3-, Cl-, Br- and I-, indicating that the coordination polymer gel formation of 1 does not strongly depends on anions. The Seam and ABM images of Mg2+ coordination polymer gel 1 display a flabbier network with several micrometers long, widths in the range 60-70 nm and thicknesses of about 3 nm. In addition, photophysical studies show that the hydrogel exhibits a typical π-π transition and gives rise to high fluorescence behavior. The coordination polymer hydrogel exhibits viscoelastic behavior as evidenced from the rheological studies

  19. Modeling, Control and Coordination of Helicopter Systems

    CERN Document Server

    Ren, Beibei; Chen, Chang; Fua, Cheng-Heng; Lee, Tong Heng

    2012-01-01

    Modeling, Control and Coordination of Helicopter Systems provides a comprehensive treatment of helicopter systems, ranging from related nonlinear flight dynamic modeling and stability analysis to advanced control design for single helicopter systems, and also covers issues related to the coordination and formation control of multiple helicopter systems to achieve high performance tasks. Ensuring stability in helicopter flight is a challenging problem for nonlinear control design and development. This book is a valuable reference on modeling, control and coordination of helicopter systems,providing readers with practical solutions for the problems that still plague helicopter system design and implementation. Readers will gain a complete picture of helicopters at the systems level, as well as a better understanding of the technical intricacies involved. This book also: Presents a complete picture of modeling, control and coordination for helicopter systems Provides a modeling platform for a general class of ro...

  20. Relativistic Positioning Systems: The Emission Coordinates

    CERN Document Server

    Coll, B; Coll, Bartolom\\'{e}; Pozo, Jos\\'{e} Mar\\'{I}a

    2006-01-01

    This paper introduces some general properties of the gravitational metric and the natural basis of vectors and covectors in 4-dimensional emission coordinates. Emission coordinates are a class of space-time coordinates defined and generated by 4 emitters (satellites) broadcasting their proper time by means of electromagnetic signals. They are a constitutive ingredient of the simplest conceivable relativistic positioning systems. Their study is aimed to develop a theory of these positioning systems, based on the framework and concepts of general relativity, as opposed to introducing `relativistic effects' in a classical framework. In particular, we characterize the causal character of the coordinate vectors, covectors and 2-planes, which are of an unusual type. We obtain the inequality conditions for the contravariant metric to be Lorentzian, and the non-trivial and unexpected identities satisfied by the angles formed by each pair of natural vectors. We also prove that the metric can be naturally split in such...

  1. Selective Placement Program Coordinator (SPPC) Directory

    Data.gov (United States)

    Office of Personnel Management — List of the Selective Placement Program Coordinators (SPPC) in Federal agencies, updated as needed. Users can filter the list by choosing a state and/or agency name.

  2. Local Physical Coordinates from Symplectic Projector Method

    Science.gov (United States)

    de Andrade, M. A.; Santos, M. A.; Vancea, I. V.

    The basic arguments underlying the symplectic projector method are presented. By this method, local free coordinates on the constraint surface can be obtained for a broader class of constrained systems. Some interesting examples are analyzed.

  3. Duality between coordinates and Dirac field

    CERN Document Server

    Abdalla, Maria Christina B; Vancea, I V

    2000-01-01

    The duality between the Cartesian coordinates on the Minkowski space-time andthe Dirac field is investigated. Two distinct possibilities to define thisduality are shown to exist. In both cases, the equations satisfied byprepotentials are of second order.

  4. Coordination Approaches for Complex Software Systems

    OpenAIRE

    Bosse, T.; Hoogendoorn, M; Treur, J.

    2006-01-01

    This document presents the results of a collaboration between the Vrije Universiteit Amsterdam, Department of Artificial Intelligence and Force Vision to investigate coordination approaches for complex software systems. The project was funded by Force Vision.

  5. HYbrid Coordinate Ocean Model (HYCOM): Global

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Global HYbrid Coordinate Ocean Model (HYCOM) and U.S. Navy Coupled Ocean Data Assimilation (NCODA) 3-day, daily forecast at approximately 9-km (1/12-degree)...

  6. Feature Clustering for Accelerating Parallel Coordinate Descent

    Energy Technology Data Exchange (ETDEWEB)

    Scherrer, Chad; Tewari, Ambuj; Halappanavar, Mahantesh; Haglin, David J.

    2012-12-06

    We demonstrate an approach for accelerating calculation of the regularization path for L1 sparse logistic regression problems. We show the benefit of feature clustering as a preconditioning step for parallel block-greedy coordinate descent algorithms.

  7. Spectral Networks and Fenchel-Nielsen Coordinates

    Science.gov (United States)

    Hollands, Lotte; Neitzke, Andrew

    2016-06-01

    It is known that spectral networks naturally induce certain coordinate systems on moduli spaces of flat SL( K)-connections on surfaces, previously studied by Fock and Goncharov. We give a self-contained account of this story in the case K = 2 and explain how it can be extended to incorporate the complexified Fenchel-Nielsen coordinates. As we review, the key ingredient in the story is a procedure for passing between moduli of flat SL(2)-connections on C (equipped with a little extra structure) and moduli of equivariant GL(1)-connections over a covering {Σ to C}; taking holonomies of the equivariant GL(1)-connections then gives the desired coordinate systems on moduli of SL(2)-connections. There are two special types of spectral network, related to ideal triangulations and pants decompositions of C; these two types of network lead to Fock-Goncharov and complexified Fenchel-Nielsen coordinate systems, respectively.

  8. Calibration of transformation matrix in object body coordinate and camera coordinate

    Science.gov (United States)

    Song, Jincheng; Sun, Zengyu; Guo, Lei; Wang, Dongwei

    2013-01-01

    In this paper, a new coordinate system calibration is proposed in order to define the dependence of position between object body coordinate and camera coordinate which can be used in object measurement by the formation of image. Due to existing the fabrication and installation error, it is difficult to make system parallel between object body coordinate and camera coordinate. To resolve it, the deviation of the two coordinate system is demanded to measure detailed. The deviation compensation in the image processing software can ensure the accuracy the pitch angle and azimuth in the destination image of camera measurement system. In order to definite the position, a base coordinate system of theodolite is set by mutual-space measurement principle. After the measurement of theodolite system, a transformation matrix of the base coordinate system can be deduced. Changing the position of the theodolite station and adjusting the cross-screw to infinity, the transformation matrix between the base coordinate and star-sensor coordinate can be deduced by image formation of the destination at infinity. The position relation between object body and camera can be calculated by the transformation matrix. The results of the measurement experiment show that the gauging repeatability is 6' which can meet the system gauging demands.

  9. Trust and team coordination in critical situations

    Directory of Open Access Journals (Sweden)

    Adrian H. Pitariu

    2008-01-01

    Full Text Available In this paper I explore the process of team coordination. I propose a model by which team coordination emerges as a function of team mental models and team trust. Furthermore, I introduce a hierarchical approach to team mental models, and propose a framework that provides a better understanding of team processes and opens new avenues of research in the area of team cognition. I conclude with implications for future research and practice.

  10. Distributional consequences of capital tax coordination

    OpenAIRE

    2005-01-01

    This paper has two ambitions. First, we review the economic literature on tax coordination. Second, we argue that the taxation of capital is not an issue of efficiency, but instead an issue of equity. In particular, capital tax coordination can alter the vertical distribution of income between the production factors capital and labour. Capital is in perfectly elastic supply in a small open economy. Therefore the tax incidence falls to the immobile factor, labour. By contrast, capital is in in...

  11. Trust and team coordination in critical situations

    OpenAIRE

    Adrian H. Pitariu

    2008-01-01

    In this paper I explore the process of team coordination. I propose a model by which team coordination emerges as a function of team mental models and team trust. Furthermore, I introduce a hierarchical approach to team mental models, and propose a framework that provides a better understanding of team processes and opens new avenues of research in the area of team cognition. I conclude with implications for future research and practice.

  12. Decentralized Coordination of Autonomous Vehicles at intersections

    OpenAIRE

    Makarem, Laleh; Gillet, Denis

    2011-01-01

    In this paper, the decentralized coordination of point-mass autonomous vehicles at intersections using navigation functions is considered. As main contribution, the inertia of the vehicles is taken into account to enable on-board energy optimization for crossing. In such a way, heavier vehicles that need more energy and time for acceleration or breaking are given an indirect priority at intersections. The proposed decentralized coordination scheme of autonomous vehicles at intersection is com...

  13. Unions’ Bargaining Coordination in Multinational Enterprises

    OpenAIRE

    Buccella, Domenico

    2011-01-01

    This paper investigates the coordination of bargaining activities among labor unions in a Multinational Enterprise (MNE) with plants in different countries. Making use of a threestage game where the parties sequentially decide whether o coordinate negotiations, it derives the bargaining regimes arising as sub-game perfect equilibria. In presence of workers perfect substitutes in production and symmetry in the plants' efficiency, it is shown that unions' transaction costs may attenuate the con...

  14. Product Architecture as a Coordination System (Japanese)

    OpenAIRE

    OKUNO (FUJIWARA) Masahiro; Watanabe, Yasunori

    2006-01-01

    Baldwin and Clark (2000) brought the substantial attention to the concept of product architecture. This concept, particularly the concept of module architecture, defines a product system as a "coordination system," taking the viewpoint that a product system is an object that is used by human users or developed by human developers. In this paper, product architecture is defined as a design concept for a product system that calls for complex part-to-part coordination in order to fulfill the use...

  15. The Lanthanide Contraction beyond Coordination Chemistry.

    Science.gov (United States)

    Ferru, Geoffroy; Reinhart, Benjamin; Bera, Mrinal K; Olvera de la Cruz, Monica; Qiao, Baofu; Ellis, Ross J

    2016-05-10

    The lanthanide contraction is conceptualized traditionally through coordination chemistry. Here we break this mold in a structural study of lanthanide ions dissolved in an amphiphilic liquid. The lanthanide contraction perturbs the weak interactions between molecular aggregates that drive mesoscale assembly and emergent behavior. The weak interactions correlate with lanthanide ion transport properties, suggesting new strategies for rare-earth separation that exploit forces outside of the coordination sphere. PMID:27060294

  16. Behavioral Strategies in Repeated Pure Coordination Games

    OpenAIRE

    Rami Zwick; Amnon Rapoport; Alison King Chung Lo

    2001-01-01

    We study experimentally a class of pure coordination games as a special case of the Consumer Choice of Prizes game developed by Rapoport et al. (2000). We find a high level of group coordination coupled with considerable switching in the choice of locations. Two models are proposed and tested to account for the results, one postulating the formation of conventions, and the other invoking the mixed strategy equilibrium solution for risk-neutral players. We reject both models as possible candid...

  17. On Double Interpolation in Polar Coordinates

    Directory of Open Access Journals (Sweden)

    Antoniu Nicula

    2009-10-01

    Full Text Available Interpolation is an important tool in numerical modeling of real-life systems. The Lagrange interpolation is frequently used, due to particular advantages in implementation. The bi-dimensional version may be implemented with Cartesian or with polar coordinate system. Choice of the coordinate system is important in order to obtain accurate results. The polar case has particular properties that can be exploited to minimize some of the common disadvantages of polynomial interpolation.

  18. On Double Interpolation in Polar Coordinates

    OpenAIRE

    Antoniu Nicula; Florin Vancea; Codruţa Vancea

    2009-01-01

    Interpolation is an important tool in numerical modeling of real-life systems. The Lagrange interpolation is frequently used, due to particular advantages in implementation. The bi-dimensional version may be implemented with Cartesian or with polar coordinate system. Choice of the coordinate system is important in order to obtain accurate results. The polar case has particular properties that can be exploited to minimize some of the common disadvantages of polynomial interpolation.

  19. Coordinate Friendly Structures, Algorithms and Applications

    OpenAIRE

    Peng, Zhimin; Wu, Tianyu; Xu, Yangyang; Ming YAN; Yin, Wotao

    2016-01-01

    This paper focuses on coordinate update methods, which are useful for solving problems involving large or high-dimensional datasets. They decompose a problem into simple subproblems, where each updates one, or a small block of, variables while fixing others. These methods can deal with linear and nonlinear mappings, smooth and nonsmooth functions, as well as convex and nonconvex problems. In addition, they are easy to parallelize. The great performance of coordinate update methods depends on ...

  20. Co-ordinating Product Developing Activities

    DEFF Research Database (Denmark)

    Terkelsen, Søren Bendix

    The paper contains a presentation of research methods to be used in case studies in product development and a presentation on how to deal with Design Co-ordination according to litterature......The paper contains a presentation of research methods to be used in case studies in product development and a presentation on how to deal with Design Co-ordination according to litterature...

  1. Team Reasoning as a Guide to Coordination

    OpenAIRE

    Lahno, Amrei Marie; Lahno, Bernd

    2014-01-01

    A particular problem of traditional Rational Choice Theory is that it cannot explain equilibrium selection in simple coordination games. In this paper we analyze and discuss the solution concept for common coordination problems as incorporated in the theory of Team Reasoning (TR). Special consideration is given to TR’s concept of opportunistic choice and to the resulting restrictions in using private information. We report results from a laboratory experiment in which teams were given a chanc...

  2. 75 FR 39089 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-07-07

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., Shipping Coordinating Committee, Department of State. BILLING CODE 4710-09-P...

  3. 77 FR 16316 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-03-20

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... . Dated: March 9, 2012. Brian Robinson, Executive Secretary, Shipping Coordinating Committee,...

  4. 75 FR 3272 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-01-20

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... . ] Dated: January 12, 2009. Jon Trent Warner, Executive Secretary, Shipping Coordinating...

  5. 77 FR 47491 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-08-08

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... . Dated: August 1, 2012. Brian Robinson, Executive Secretary, Shipping Coordinating Committee,...

  6. 75 FR 54415 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-09-07

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct four...: August 30, 2010. Jon Trent Warner, Executive Secretary, Shipping Coordinating Committee, Department...

  7. 77 FR 12641 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-03-01

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., 2012. Brian Robinson, Executive Secretary, Shipping Coordinating Committee, Department of...

  8. 77 FR 70525 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-11-26

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., 2012. Brian Robinson, Executive Secretary, Shipping Coordinating Committee, Department of...

  9. 76 FR 70529 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2011-11-14

    ... From the Federal Register Online via the Government Publishing Office ] DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will...: November 7, 2011. Brian Robinson, Executive Secretary, Shipping Coordinating Committee, Department of...

  10. 75 FR 65551 - Shipping Coordinating Committee; Notice of Subcommittee Meeting

    Science.gov (United States)

    2010-10-25

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Subcommittee Meeting The Shipping Coordinating Committee (SHC) will conduct.... Jon Trent Warner, Executive Secretary, Shipping Coordinating Committee, Department of State....

  11. 75 FR 10546 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-03-08

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... . ] Dated: March 2, 2010. Jon Trent Warner, Executive Secretary, Shipping Coordinating Committee,...

  12. 78 FR 45592 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2013-07-29

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., 2013. Marc Zlomek, Executive Secretary, Shipping Coordinating Committee, Department of State....

  13. 77 FR 70526 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-11-26

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an...: November 14, 2012. Brian Robinson, Executive Secretary, Shipping Coordinating Committee, Department...

  14. 75 FR 82129 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-12-29

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct two... Trent Warner, Executive Secretary, Shipping Coordinating Committee, Department of State. BILLING...

  15. 77 FR 28923 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-05-16

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., 2012. Brian Robinson, Executive Secretary, Shipping Coordinating Committee, Department of...

  16. 76 FR 82026 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2011-12-29

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... . Dated: December 22, 2011. Brian Robinson, Executive Secretary, Shipping Coordinating...

  17. 77 FR 47490 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-08-08

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct open.... Brian Robinson, Executive Secretary, Shipping Coordinating Committee, Department of State. BILLING...

  18. 77 FR 64576 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-10-22

    ... From the Federal Register Online via the Government Publishing Office ] DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will... . Dated: October 15, 2012. Brian Robinson, Executive Secretary, Shipping Coordinating...

  19. Research and innovation in teacher’s training and the services’s coordinators for children in Italy

    Directory of Open Access Journals (Sweden)

    Cristina Stringher

    2012-04-01

    Full Text Available In this article we discuss about the training of teachers and coordinators in early childhood education and care (ECEC services in Italy. We are doing this through two parts: in the first one, after an introduction on the topic of ECEC quality, we give an account of present profiles of educators in baby centres (asili nido, educators in pre-schools and coordinators of 0-6 services; the second part presents two exemplary experiences of initial training of teachers and coordinators carried out in the Universities of Bologna and Roma-Tre. We proceed departing from critical issues emerging from the analysis of profiles.

  20. Analysis of Coordinated Motions of Humanoid Robot Fingers Using Interphalangeal Joint Coordination

    OpenAIRE

    Byoung-Ho Kim

    2014-01-01

    In this study, we analyse the coordinated motions of humanoid robot fingers using an interphalangeal joint coordination. For this purpose, four humanoid robot fingers with different sizes have been considered. A biomimetic interphalangeal joint coordination (IJC) formulation based on the grasp configuration of human fingers has been presented for humanoid robot fingers. The usefulness of the specified IJC formulation for human-like finger motion has been verified through comparative demonstra...

  1. Business coordination across borders within toyota : a case study focusing the coordination between Japan and Toyota

    OpenAIRE

    Jumreorn, Nathida; Promprasit, Supadet

    2009-01-01

    Date: May 28th, 2009Level: Master Thesis: EFO705 (15 Credits)Authors: Nathida Jumreorn (NJN08002)Supadet Promprasit (SPT08001)Title: Managing Multinational Corporation: Coordination Mechanisms within theMNCsTutor: Leif LinnskogResearch Problem:How does Toyota coordinate its business across borders? A case study with particularfocuses on the relationship between Japan and Thailand.Purpose: To describe how Toyota manage its business across borders in perspective ofrelationship and coordination ...

  2. Analysis of Coordinated Motions of Humanoid Robot Fingers Using Interphalangeal Joint Coordination

    Directory of Open Access Journals (Sweden)

    Byoung-Ho Kim

    2014-04-01

    Full Text Available In this study, we analyse the coordinated motions of humanoid robot fingers using an interphalangeal joint coordination. For this purpose, four humanoid robot fingers with different sizes have been considered. A biomimetic interphalangeal joint coordination (IJC formulation based on the grasp configuration of human fingers has been presented for humanoid robot fingers. The usefulness of the specified IJC formulation for human-like finger motion has been verified through comparative demonstrations. As a result, a proper coordination of humanoid robot fingertips can be achieved by applying our IJC formulation. Also the IJC formulation can be used to design of humanoid robot fingers.

  3. Early Menopause (Premature Menopause)

    Science.gov (United States)

    ... Menopause > Early menopause (premature menopause) Menopause Early menopause (premature menopause) What is early menopause? How to know ... Return to top More information on Early menopause (premature menopause) Read more from womenshealth.gov Menopause and ...

  4. Assessment of Food Security in China: A New Perspective Based on Production-Consumption Coordination

    Directory of Open Access Journals (Sweden)

    Jianzhai Wu

    2016-03-01

    Full Text Available The grain output of China increased continuously for 11 years from 2004 to 2014, effectively ensuring security of the country’s food supply. At the same time, rapid advancement of urbanization and industrialization generated marked changes in the food consumption patterns of residents, and supply-demand structural problems, such as the variety, quality and region of grains, became increasingly prominent. Currently, national food security goes beyond the guarantee of total grain demand. Therefore, both the production and consumption systems must be evaluated to produce a scientific measurement of food security. From the perspective of food production-consumption coordination and matching, this article sets up a multidimensional coupling assessment index system and model, and carries out assessment of the food security level and the warning status of China between 1995 and 2012. Results show that the level of quantity coordination remained high and the level of variety coordination fluctuated before 2006 and continued decreasing afterwards. The regional coordination level largely continued to decline during the whole research period. The level of coordination of Chinese food production-consumption was high overall. The warning situation existed only for four years, but it started to decrease continuously since 2007 because of aggravated structural and regional disharmony. The state of coordination at the early stage primarily reflected variation of food production, but that of the later stage greatly reflected the problems caused by food consumption. In the future, food security of China can be ensured overall, but regional and variety coordination problems may worsen further, which may exert a potentially negative influence on agricultural trade, industrial security and market stability, thereby leading to decrease in food security at the regional and household levels. In the future, this problem can be addressed by ensuring the self

  5. Coordinated signal control for arterial intersections using fuzzy logic

    Science.gov (United States)

    Kermanian, Davood; Zare, Assef; Balochian, Saeed

    2013-09-01

    Every day growth of the vehicles has become one of the biggest problems of urbanism especially in major cities. This can waste people's time, increase the fuel consumption, air pollution, and increase the density of cars and vehicles. Fuzzy controllers have been widely used in many consumer products and industrial applications with success over the past two decades. This article proposes a comprehensive model of urban traffic network using state space equations and then using Fuzzy Logic Tool Box and SIMULINK Program MATLAB a fuzzy controller in order to optimize and coordinate signal control at two intersections at an arterial road. The fuzzy controller decides to extend, early cut or terminate a signal phase and phase sequence to ensure smooth flow of traffic with minimal waiting time and length of queue. Results show that the performance of the proposed traffic controller at novel fuzzy model is better that of conventional controllers under normal and abnormal traffic conditions.

  6. Communicating Processes with Data for Supervisory Coordination

    Directory of Open Access Journals (Sweden)

    Jasen Markovski

    2012-08-01

    Full Text Available We employ supervisory controllers to safely coordinate high-level discrete(-event behavior of distributed components of complex systems. Supervisory controllers observe discrete-event system behavior, make a decision on allowed activities, and communicate the control signals to the involved parties. Models of the supervisory controllers can be automatically synthesized based on formal models of the system components and a formalization of the safe coordination (control requirements. Based on the obtained models, code generation can be used to implement the supervisory controllers in software, on a PLC, or an embedded (microprocessor. In this article, we develop a process theory with data that supports a model-based systems engineering framework for supervisory coordination. We employ communication to distinguish between the different flows of information, i.e., observation and supervision, whereas we employ data to specify the coordination requirements more compactly, and to increase the expressivity of the framework. To illustrate the framework, we remodel an industrial case study involving coordination of maintenance procedures of a printing process of a high-tech Oce printer.

  7. Low cation coordination in oxide melts

    Energy Technology Data Exchange (ETDEWEB)

    Skinner, Lawrie [State University of New York, Stony Brook; Benmore, Chris J [Argonne National Laboratory (ANL); Du, Jincheng [University of North Texas; Weber, Richard [Argonne National Laboratory (ANL); Neuefeind, Joerg C [ORNL; Tumber, Sonia [Materials Development, Inc., Evanston, IL; Parise, John B [Stony Brook University (SUNY)

    2014-01-01

    The complete set of Faber-Ziman partial pair distribution functions for a rare earth oxide liquid were measured for the first time by combining aerodynamic levitation, neutron diffraction, high energy x-ray diffraction and isomorphic substitution using Y2 O3 and Ho2 O3 melts. The average Y- O coordination is measured to be 5.5(2), which is significantly less than the octahedral coordination of crystalline Y2 O3 (or Ho2 O3 ). Investigation of high temperature La2 O3 , ZrO2 , SiO2 , and Al2 O3 melts by x-ray diffraction and molecular dynamics simulations also show lower-than-crystal cation- oxygen coordination. These measurements suggest a general trend towards lower M-O coordination compared to their crystalline counterparts. It is found that this coordination number drop is larger for lower field strength, larger radius cations and is negligible for high field strength (network forming) cations. These findings have broad implications for predicting the local structure and related physical properties of metal-oxide melts and oxide glasses.

  8. Optimal coordinated voltage control of power systems

    Institute of Scientific and Technical Information of China (English)

    LI Yan-jun; HILL David J.; WU Tie-jun

    2006-01-01

    An immune algorithm solution is proposed in this paper to deal with the problem of optimal coordination of local physically based controllers in order to preserve or retain mid and long term voltage stability. This problem is in fact a global coordination control problem which involves not only sequencing and timing different control devices but also tuning the parameters of controllers. A multi-stage coordinated control scheme is presented, aiming at retaining good voltage levels with minimal control efforts and costs after severe disturbances in power systems. A self-pattern-recognized vaccination procedure is developed to transfer effective heuristic information into the new generation of solution candidates to speed up the convergence of the search procedure to global optima. An example of four bus power system case study is investigated to show the effectiveness and efficiency of the proposed algorithm, compared with several existing approaches such as differential dynamic programming and tree-search.

  9. Coordinated Voltage Control of Active Distribution Network

    Directory of Open Access Journals (Sweden)

    Xie Jiang

    2016-01-01

    Full Text Available This paper presents a centralized coordinated voltage control method for active distribution network to solve off-limit problem of voltage after incorporation of distributed generation (DG. The proposed method consists of two parts, it coordinated primal-dual interior point method-based voltage regulation schemes of DG reactive powers and capacitors with centralized on-load tap changer (OLTC controlling method which utilizes system’s maximum and minimum voltages, to improve the qualified rate of voltage and reduce the operation numbers of OLTC. The proposed coordination has considered the cost of capacitors. The method is tested using a radial edited IEEE-33 nodes distribution network which is modelled using MATLAB.

  10. TIARA: Toward accelerator R&D coordination

    CERN Multimedia

    Anaïs Schaeffer

    2011-01-01

    The preparatory phase of the TIARA (Test Infrastructure and Accelerator Research Area) project has begun. In January, members from 11 research institutes in 8 European countries began a three-year collaboration intended to enhance, improve and structure R&D efforts in the area of accelerator science and technology in Europe.   Partly funded by the European Commission under its Seventh Framework Programme (FP7), the TIARA project is being coordinated by the CEA (Commissariat à l’Énergie Atomique et aux Energies Alternatives). “The aim of the project is to arrive at an organisational structure that will provide coordination for R&D efforts and associated infrastructures in the field of particle accelerators in Europe,” explains the CEA’s Céline Tanguy, project coordinator assistant. “The new structure, which we hope will be a durable one, will be set up at the end of the project’s preparatory phase....

  11. On the existence of MSA coordinates

    CERN Document Server

    Hernández-Pastora, J L

    2009-01-01

    The static solutions of the axially symmetric vacuum Einstein equations with a finite number of Relativistic Multipole Moments are described by means of a function that can be written in the same analytic form as the Newtonian gravitational multipole potential. A family of so-called MSA (Multipole-Symmetry Adapted) coordinates are introduced and calculated at any multipole order to perform the transformation of the Weyl solutions. In analogy with a previous result obtained in Newtonian gravity, the existence of a symmetry of a certain system of differential equations leading to the determination of that kind of multipole solutions in General Relativity is explored. The relationship between the existence of this kind of coordinate and the symmetries mentioned is proved for some cases, and the characterization of the MSA system of coordinates by means of this relationship is discussed.

  12. Nonparametric variational optimization of reaction coordinates

    Science.gov (United States)

    Banushkina, Polina V.; Krivov, Sergei V.

    2015-11-01

    State of the art realistic simulations of complex atomic processes commonly produce trajectories of large size, making the development of automated analysis tools very important. A popular approach aimed at extracting dynamical information consists of projecting these trajectories into optimally selected reaction coordinates or collective variables. For equilibrium dynamics between any two boundary states, the committor function also known as the folding probability in protein folding studies is often considered as the optimal coordinate. To determine it, one selects a functional form with many parameters and trains it on the trajectories using various criteria. A major problem with such an approach is that a poor initial choice of the functional form may lead to sub-optimal results. Here, we describe an approach which allows one to optimize the reaction coordinate without selecting its functional form and thus avoiding this source of error.

  13. Coordinating knowledge transfer within manufacturing networks

    DEFF Research Database (Denmark)

    Yang, Cheng; Johansen, John; Boer, Harry

    Along with increasing globalization, the management of international manufacturing networks is becoming increasingly important for industrial companies. This paper mainly focuses on the coordination of knowledge transfer within manufacturing networks. In this context, we propose the time-place ma......Along with increasing globalization, the management of international manufacturing networks is becoming increasingly important for industrial companies. This paper mainly focuses on the coordination of knowledge transfer within manufacturing networks. In this context, we propose the time......-place matrix as a tool for mapping the distribution of knowledge within manufacturing networks. Using this tool, four important questions about the coordination of knowledge transfer within a manufacturing network are identified: know-where, know-what, know-when, know-how to transfer. The relationships among...

  14. Nonparametric variational optimization of reaction coordinates

    Energy Technology Data Exchange (ETDEWEB)

    Banushkina, Polina V.; Krivov, Sergei V., E-mail: s.krivov@leeds.ac.uk [Astbury Center for Structural Molecular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT (United Kingdom)

    2015-11-14

    State of the art realistic simulations of complex atomic processes commonly produce trajectories of large size, making the development of automated analysis tools very important. A popular approach aimed at extracting dynamical information consists of projecting these trajectories into optimally selected reaction coordinates or collective variables. For equilibrium dynamics between any two boundary states, the committor function also known as the folding probability in protein folding studies is often considered as the optimal coordinate. To determine it, one selects a functional form with many parameters and trains it on the trajectories using various criteria. A major problem with such an approach is that a poor initial choice of the functional form may lead to sub-optimal results. Here, we describe an approach which allows one to optimize the reaction coordinate without selecting its functional form and thus avoiding this source of error.

  15. Non-commutativity in polar coordinates

    CERN Document Server

    Edwards, James P

    2016-01-01

    We reconsider the fundamental commutation relations for non-commutative $\\mathbb{R}^{2}$ described in polar coordinates with non-commutativity parameter $\\theta$. Previous analysis found that the natural transition from Cartesian coordinates to polars led to a representation of $\\left[\\hat{r}, \\hat{\\varphi}\\right]$ as an everywhere diverging series. We compute the Borel resummation of this series, showing that it can subsequently be extended throughout parameter space and hence provide an interpretation of this commutator. Our analysis provides a complete solution for arbitrary $r$ and $\\theta$ that reproduces the earlier calculations at lowest order. We compare our results to previous literature in the (pseudo-)commuting limit, finding a surprising spatial dependence for the coordinate commutator when $\\theta \\gg r^{2}$. We raise some questions for future study in light of this progress.

  16. Coordination: Neural, Behavioral and Social Dynamics

    CERN Document Server

    Fuchs, Armin

    2008-01-01

    One of the most striking features of Coordination Dynamics is its interdisciplinary character. The problems we are trying to solve in this field range from behavioral phenomena of interlimb coordination and coordination between stimuli and movements (perception-action tasks) through neural activation patterns that can be observed during these tasks to clinical applications and social behavior. It is not surprising that close collaboration among scientists from different fields as psychology, kinesiology, neurology and even physics are imperative to deal with the enormous difficulties we are facing when we try to understand a system as complex as the human brain. The chapters in this volume are not simply write-ups of the lectures given by the experts at the meeting but are written in a way that they give sufficient introductory information to be comprehensible and useful for all interested scientists and students.

  17. Two different anionic manganese(II) coordination polymers constructed through dicyanamide coordination bridges.

    Science.gov (United States)

    Wang, Hui Ting

    2015-10-01

    In order to explore new metal coordination polymers and to search for new types of ferroelectrics among hybrid coordination polymers, two manganese dicyanamide complexes, poly[tetramethylammonium [di-μ3-dicyanamido-κ(6)N(1):N(3):N(5)-tri-μ2-dicyanamido-κ(6)N(1):N(5)-dimanganese(II)

  18. Cognitive flexibility predicts early reading skills

    OpenAIRE

    LynneG.Duncan; PascaleColé

    2014-01-01

    An important aspect of learning to read is efficiency in accessing different kinds of linguistic information (orthographic, phonological and semantic) about written words. The present study investigates whether, in addition to the integrity of such linguistic skills, early progress in reading may require a degree of cognitive flexibility in order to manage the coordination of this information effectively. Our study will look for evidence of a link between flexibility and both word reading and...

  19. Politics of coordination in environmental health

    DEFF Research Database (Denmark)

    Holm, Jesper; Kjærgård, Bente; Jelsøe, Erling

    2015-01-01

    Environment and health are deeply rooted into each other, which we are reminded of now and then when major hazards like the Fukushima nuclear accident occur, or when scientific discovery reveals that certain persistent health problems as declining sperm counts of men, are embedded in environmental...... environmental policy integration, for studying the efforts and paradoxes in sector co-ordination, in order to reflect on the pro et cons of integrative approaches to environment and public health. We will give an overview of the various approaches to coordinative efforts from an international to a national...

  20. Penta-coordinate phosphorous compounds and biochemistry

    Institute of Scientific and Technical Information of China (English)

    林长学; 韩波; 赵玉芬; 万荣; 李艳梅; 冯亚兵; 成昌梅

    2002-01-01

    The relationship between penta-coordinate phosphorus compounds and biochemistry is briefly reviewed. Some interesting phenomena such as peptide formation, ester formation, ester exchange on phosphorus and N to O migration occur at room temperature when the amino group of amino acid is associated with phosphoryl group. Serine or threonine in conjugate of nucleo-side-amino acid could recognize different nucleobases. N-phosphoryl Histine and Ser-His dipep-tide could cleavage nucleic acid, protein and ester in neutral medium. It is found that the above phenomena all undergo penta-coordinate intermediate of phosphorus atom, which is proposed as the key factor to determine their activities.

  1. IAEA Co-ordinated Research Program (CRP)

    International Nuclear Information System (INIS)

    The Coordinated Research Project is a topical collection of research agreements and contracts. The research contracts are awarded with financial support of about 10-20% of the total contract cost. Among the activities of the project is the organization of consultant group meetings and workshops involving several international experts and representatives of users and developers of border radiation monitoring equipment. The project also supports in coordinating the development of equipment and techniques for up-to-date border monitoring and in establishing of a process for providing nuclear forensics support to member states

  2. Noncommutative BTZ Black Hole in Polar Coordinates

    OpenAIRE

    Chang-Young, Ee; Lee, Daeho; Lee, Youngone

    2008-01-01

    Based on the equivalence between the three dimensional gravity and the Chern-Simons theory, we obtain a noncommutative BTZ black hole solution as a solution of $U(1,1)\\times U(1,1)$ noncommutative Chern-Simons theory using the Seiberg-Witten map. The Seiberg-Witten map is carried out in a noncommutative polar coordinates whose commutation relation is equivalent to the usual canonical commutation relation in the rectangular coordinates up to first order in the noncommutativity parameter $\\thet...

  3. Modeling Coordination Problems in a Music Ensemble

    DEFF Research Database (Denmark)

    Frimodt-Møller, Søren R.

    2008-01-01

    This paper considers in general terms, how musicians are able to coordinate through rational choices in a situation of (temporary) doubt in an ensemble performance. A fictitious example involving a 5-bar development in an unknown piece of music is analyzed in terms of epistemic logic, more...... specifically a multi-agent system, where it is shown that perfect coordination can only be certain to take place if the musicians have common knowledge of certain rules of the composition. We subsequently argue, however, that the musicians need not agree on the central features of the piece of music in order...

  4. Scorpionates the coordination chemistry of polypyrazolylborate ligands

    CERN Document Server

    Trofimenko, Swiatoslaw

    1999-01-01

    This book deals with polypyrazolylborates (scorpionates), a class of ligands known since 1966, but becoming rapidly popular with inorganic, organometallic and coordination chemists since 1986, because of their versatility and user-friendliness. They can be readily modified sterically and electronically through appropriate substitution on the pyrazole ring and on boron, and have led to a number of firsts in coordination chemistry (first stable CuCO complex, first monomeric MgR complex, and many other such firsts). Their denticity can range from two to four, their "Bite" can be adjusted, and add

  5. Varied control of coordination capabilities of students

    Directory of Open Access Journals (Sweden)

    Sergienko V.N.

    2010-06-01

    Full Text Available The results of testing of coordinating capabilities of students are resulted to differentiation of spatiotemporal parameters. In research took part students in age of 17-20 years. The normative estimations of coordinating capabilities of students are developed. An initial health of students level was determined for 12 ball sigmoid scale. More high exactness and reliability of state information is marked health of students. It reduces a risk level for a health during the decision of practical tasks on physical education.

  6. PDGFRaa Signaling Is Regulated through the Primary Cilium in Fibroblasts

    DEFF Research Database (Denmark)

    Schneider, Linda; Clement, Christian Alexandro; Teilmann, S.C.;

    2005-01-01

    or mislocation of ciliary signal components affects human pathologies, such as polycystic kidney disease [ 7 ] and disorders associated with Bardet-Biedl syndrome [ 8 ]. Primary cilia are essential for hedgehog ligand-induced signaling cascade regulating growth and patterning [ [9] and [10] ]. Here...

  7. Functional genomics of the cilium, a sensory organelle.

    Science.gov (United States)

    Blacque, Oliver E; Perens, Elliot A; Boroevich, Keith A; Inglis, Peter N; Li, Chunmei; Warner, Adam; Khattra, Jaswinder; Holt, Rob A; Ou, Guangshuo; Mah, Allan K; McKay, Sheldon J; Huang, Peter; Swoboda, Peter; Jones, Steve J M; Marra, Marco A; Baillie, David L; Moerman, Donald G; Shaham, Shai; Leroux, Michel R

    2005-05-24

    Cilia and flagella play important roles in many physiological processes, including cell and fluid movement, sensory perception, and development. The biogenesis and maintenance of cilia depend on intraflagellar transport (IFT), a motility process that operates bidirectionally along the ciliary axoneme. Disruption in IFT and cilia function causes several human disorders, including polycystic kidneys, retinal dystrophy, neurosensory impairment, and Bardet-Biedl syndrome (BBS). To uncover new ciliary components, including IFT proteins, we compared C. elegans ciliated neuronal and nonciliated cells through serial analysis of gene expression (SAGE) and screened for genes potentially regulated by the ciliogenic transcription factor, DAF-19. Using these complementary approaches, we identified numerous candidate ciliary genes and confirmed the ciliated-cell-specific expression of 14 novel genes. One of these, C27H5.7a, encodes a ciliary protein that undergoes IFT. As with other IFT proteins, its ciliary localization and transport is disrupted by mutations in IFT and bbs genes. Furthermore, we demonstrate that the ciliary structural defect of C. elegans dyf-13(mn396) mutants is caused by a mutation in C27H5.7a. Together, our findings help define a ciliary transcriptome and suggest that DYF-13, an evolutionarily conserved protein, is a novel core IFT component required for cilia function. PMID:15916950

  8. High-aspect ratio magnetic nanocomposite polymer cilium

    Science.gov (United States)

    Rahbar, M.; Tseng, H. Y.; Gray, B. L.

    2014-03-01

    This paper presents a new fabrication technique to achieve ultra high-aspect ratio artificial cilia micro-patterned from flexible highly magnetic rare earth nanoparticle-doped polymers. We have developed a simple, inexpensive and scalable fabrication method to create cilia structures that can be actuated by miniature electromagnets, that are suitable to be used for lab-on-a chip (LOC) and micro-total-analysis-system (μ-TAS) applications such as mixers and flow-control elements. The magnetic cilia are fabricated and magnetically polarized directly in microfluidic channels or reaction chambers, allowing for easy integration with complex microfluidic systems. These cilia structures can be combined on a single chip with other microfluidic components employing the same permanently magnetic nano-composite polymer (MNCP), such as valves or pumps. Rare earth permanent magnetic powder, (Nd0.7Ce0.3)10.5Fe83.9B5.6, is used to dope polydimethylsiloxane (PDMS), resulting in a highly flexible M-NCP of much higher magnetization and remanence [1] than ferromagnetic polymers typically employed in magnetic microfluidics. Sacrificial poly(ethylene-glycol) (PEG) is used to mold the highly magnetic polymer into ultra high-aspect ratio artificial cilia. Cilia structures with aspect ratio exceeding 8:0.13 can be easily fabricated using this technique and are actuated using miniature electromagnets to achieve a high range of motion/vibration.

  9. Coordinating Post-Tsunami Field Surveys in the us

    Science.gov (United States)

    Kong, L. S.; Chiesa, C.; Dunbar, P. K.; Huart, J.; Richards, K.; Shulters, M.; Stein, A.; Tamura, G.; Wilson, R. I.; Young, E.

    2011-12-01

    Post-tsunami scientific field surveys are critical for improving the understanding of tsunamis and developing tools and programs to mitigate their effects. After a destructive tsunami, international, national, and local tsunami scientists need to gather information, much of which is perishable or degrades significantly with time. An influx of researchers can put stress on countries already overwhelmed by humanitarian response to the disaster and by the demands of emergency management and other support agencies. In the United States, in addition to university research scientists, government agencies such as the National Oceanic and Atmospheric Administration (NOAA), the U.S. Geologic Survey (USGS), and state/territorial emergency management agencies and geological surveys endeavor to collect physical and social science data to better understand the physics of tsunamis and the impact they have on coastal communities and ecosystems. After a Presidential Major Disaster Declaration, the Federal Emergency Management Agency (FEMA) Joint Field Office works with state/territory emergency management agencies to coordinate response to disasters. In the short-term, the collection and immediate sharing of data enable decision-making that better organizes and deploys often-limited resources to the areas most critically in need of response; and in the long-term, improves recovery planning that will mitigate the losses from the next tsunami. Recent tsunamis have emphasized the need for improved coordination of data collection among scientists and federal, state, and local emergency managers. Improved coordination will ensure data collection efforts are carried out in a safe, secure, efficient, and timely manner. To improve coordination of activities that will better integrate the scientific investigations with government response, the US National Tsunami Hazard Mitigation Program and Pacific Risk Management 'Ohana (PRiMO) are working together to develop a consistent framework for

  10. Inter-Organizational Coordination, IT Support, and Environment

    Institute of Scientific and Technical Information of China (English)

    QU Gang; JI Shaobo; MIN Qingfei

    2008-01-01

    Manufacturing organizations must know how to deal with uncertainty, manage environmental impact, effectively coordinate with suppliers, and use information technology (IT) to support coordination. Applying cybernetics and information processing theories, this study explores the relationship between organizational environment, inter-organizational coordination, IT support, and the effectiveness of inter-organizational coordination. Using the case study method, data was collected from six manufacturing firms in China. The results show that inter-organizational system adoption is affected by organizational environment and is related to the management of inter-organizational coordination. Coordination and IT application affect the performance of inter-organizational coordination.

  11. 7 CFR 624.5 - Coordination.

    Science.gov (United States)

    2010-01-01

    ... Federal Emergency Management Agency (FEMA) or its designee. FEMA is the lead federal agency for... AGRICULTURE WATER RESOURCES EMERGENCY WATERSHED PROTECTION § 624.5 Coordination. (a) If the President declares... with the appropriate State office of emergency preparedness and other Federal, tribal, or...

  12. Coordination of knowledge in judging animated motion

    Science.gov (United States)

    Thaden-Koch, Thomas C.; Dufresne, Robert J.; Mestre, Jose P.

    2006-12-01

    Coordination class theory is used to explain college students’ judgments about animated depictions of moving objects. diSessa’s coordination class theory models a “concept” as a complex knowledge system that can reliably determine a particular type of information in widely varying situations. In the experiment described here, fifty individually interviewed college students judged the realism of two sets of computer animations depicting balls rolling on a pair of tracks. The judgments of students from an introductory physics class were strongly affected by the number of balls depicted (one or two), but the judgments of students from an educational psychology class were not. Coordination analysis of interview transcripts supports the interpretation that physics students’ developing physics knowledge led them to consistently miss or ignore some observations that the other students consistently paid attention to. The analysis highlights the context sensitivity and potential fragility of coordination systems, and leads to the conclusion that students’ developing knowledge systems might not necessarily result in consistently improving performance.

  13. Can we Rationally Learn to Coordinate?

    NARCIS (Netherlands)

    S. Goyal (Sanjeev); M.C.W. Janssen (Maarten)

    1996-01-01

    textabstractIn this paper we examine the issue whether individual rationality considerations are sufficient to guarantee that individuals will learn to coordinate. This question is central in any discussion of whether social phenomena (read: conventions) can be explained in terms of a purely individ

  14. Issues Surrounding Children with Developmental Coordination Disorder

    Science.gov (United States)

    Sugden, David; Kirby, Amanda; Dunford, Carolyn

    2008-01-01

    Like other developmental disorders such as Attention Deficit Hyperactivity Disorder, specific language impairment and dyslexia, there is no shortage of debate surrounding the condition of Developmental Coordination Disorder. The present article takes a global view of many of these debatable issues, starting with definition and terminology, moving…

  15. Deriving force field parameters for coordination complexes

    DEFF Research Database (Denmark)

    Norrby, Per-Ola; Brandt, Peter

    2001-01-01

    The process of deriving molecular mechanics force fields for coordination complexes is outlined. Force field basics are introduced with an emphasis on special requirements for metal complexes. The review is then focused on how to set up the initial model, define the target, refine the parameters......, and validate the final force field, Alternatives to force field derivation are discussed briefly....

  16. Cost Allocation as a Coordination Mechanism

    NARCIS (Netherlands)

    Diaw, K.

    2003-01-01

    This paper shows that cost allocation can endogenously arise as a coordination mechanism in a decentralized firm.This result is derived in a setting with multiple (internally supplied) resources shared by multiple users, which constitutes a departure from previous literature.While standard cost allo

  17. Adsorption Kinetics in Nanoscale Porous Coordination Polymers

    Energy Technology Data Exchange (ETDEWEB)

    Nune, Satish K.; Thallapally, Praveen K.; McGrail, Benard Peter; Annapureddy, Harsha V. R.; Dang, Liem X.; Mei, Donghai; Karri, Naveen; Alvine, Kyle J.; Olszta, Matthew J.; Arey, Bruce W.; Dohnalkova, Alice

    2015-10-07

    Nanoscale porous coordination polymers were synthesized using simple wet chemical method. The effect of various polymer surfactants on colloidal stability and shape selectivity was investigated. Our results suggest that the nanoparticles exhibited significantly improved adsorption kinetics compared to bulk crystals due to decreased diffusion path lengths and preferred crystal plane interaction.

  18. Coordinate Metrology by Traceable Computed Tomography

    DEFF Research Database (Denmark)

    Müller, Pavel

    X-ray computed tomography (CT) is a measuring technique which has become an important technology in the production environment over the last years. Due to a number of advantages of CT compared to, e.g., coordinate measuring machines (CMMs), CT has been recently spread in the field of manufacturin...

  19. From atomic clocks to coordinate times

    Science.gov (United States)

    Petit, G.

    2006-08-01

    The IAU'1991 Resolution A4, complemented by IAU'2000 Resolution B1.3-4, provide rigorous definitions for barycentric and geocentric reference systems in a relativistic framework and define the coordinate times of these systems as TCB and TCG, respectively. Other coordinate times in use are TT, defined from TCG through IAU'2000 Resolution B1.9, and TDB, whose rigorous definition from TCB is now proposed. For practical use, these coordinate times must be realized and the proper time provided by atomic clocks (Atomic time AT) is used to generate all coordinate times. The present sequence is AT => TT ||> TCG -> TCB ||> TDB, where the sign => indicates the complex series of operations involved in generating International atomic time TAI and where ||> is an exact transformation. The paper examines the uncertainty of realization of TAI and the uncertainty brought by the transformation TCG -> TCB. On-going and future evolutions of atomic clocks are reviewed along with their impact on the diagram of time transformations.

  20. Impact of Colored Light on Cardiorespiratory Coordination

    Directory of Open Access Journals (Sweden)

    Friedrich Edelhäuser

    2013-01-01

    Full Text Available Background. Light exposure to the eye can influence different physiological functions, for example, the suprachiasmatic nucleus (SCN. By affecting the autonomic nervous system, the SCN may influence the heart rate variability (HRV. Standardized colored light exposure alters HRV but the results are inconsistent. In this study we investigated the effects of nonstandardized red light (approx. 640 nm and blue (approx. 480 nm light (approx. 50 lx on cardiorespiratory coordination and HRV. Methods. 17 healthy subjects (7 males, age: 26.5 ± 6.2 years were exposed to the following sequence (10 minutes each: daylight-red light-daylight-blue light-daylight. Red and blue lights were created by daylight passing through colored glass panes. Spectral measures of HRV (LF: low frequency, HF: high frequency oscillations, and sympathovagal balance LF/HF and measures of cardiorespiratory coordination (HRR: heart respiration ratio, PCR: phase coordination ratio were analyzed. Results. The LF component increased and the HF component decreased after red light. Consequently, LF/HF increased after red light. Furthermore, during red light HRR and PCR confined to 4 : 1, that is, 4 heartbeats during one respiratory cycle. Conclusion. Nonstandardized red and blue lights are able to alter the autonomic control reflected by HRV as well as cardiorespiratory coordination.

  1. Metallosupramolecular coordination polyelectrolytes investigated by Moessbauer spectroscopy

    International Nuclear Information System (INIS)

    Metallosupramolecular coordination polyelectrolytes (MEPEs) based on rigid and flexible ditopic bis-terpyridine ligands and Fe(II) ions are investigated by Moessbauer spectroscopy. We demonstrate the influence of mechanical stress induced by grinding on the structure of MEPE as well as the ability of MEPE to self-repair through recrystallisation.

  2. Coordinating investigations of suspected notifiable diseases.

    Science.gov (United States)

    2016-02-27

    The APHA's Veterinary Exotic Notifiable Diseases Unit (VENDU) is a team of vets and scientists that coordinates the investigation of suspected exotic notifiable disease in Great Britain. This article describes the work of the unit and provides a breakdown of the reports investigated in 2015. PMID:26917837

  3. Field transformations, collective coordinates and BRST invariance

    International Nuclear Information System (INIS)

    A very large class of general field transformations can be viewed as a field theory generalization of the method of collective coordinates. The introduction of new variables induces a gauge invariance in the transformed theory, and the freedom left in gauge fixing this new invariance can be used to find equivalent formulations of the same theory. First the Batalin-Fradkin-Vilkovisky formalism is applied to the Hamiltonian formulation of physical systems that can be described in terms of collective coordinates. We then show how this type of collective coordinate scheme can be generalized to field transformations, and discuss the War Identities of the associated BRST invariance. For Yang-Mills theory a connection to topological field theory and the background field method is explained in detail. In general the resulting BRST invariance we find hidden in any quantum field theory can be viewed as a consequence of our freedom in choosing a basis of coordinates φ(χ) in the action S[φ]. (orig.)

  4. Coordinated Collaboration between Heterogeneous Distributed Energy Resources

    Directory of Open Access Journals (Sweden)

    Shahin Abdollahy

    2014-01-01

    Full Text Available A power distribution feeder, where a heterogeneous set of distributed energy resources is deployed, is examined by simulation. The energy resources include PV, battery storage, natural gas GenSet, fuel cells, and active thermal storage for commercial buildings. The resource scenario considered is one that may exist in a not too distant future. Two cases of interaction between different resources are examined. One interaction involves a GenSet used to partially offset the duty cycle of a smoothing battery connected to a large PV system. The other example involves the coordination of twenty thermal storage devices, each associated with a commercial building. Storage devices are intended to provide maximum benefit to the building, but it is shown that this can have a deleterious effect on the overall system, unless the action of the individual storage devices is coordinated. A network based approach is also introduced to calculate some type of effectiveness metric to all available resources which take part in coordinated operation. The main finding is that it is possible to achieve synergy between DERs on a system; however this required a unified strategy to coordinate the action of all devices in a decentralized way.

  5. Coordination under the Shadow of Career Concerns

    DEFF Research Database (Denmark)

    Koch, Alexander; Morgenstern, Albrecht

    2010-01-01

    A firm's innovation process requires employees to develop novel ideas and to coordinate with each other to turn the tacit knowledge embodying these ideas into better products and services. Such work outcomes provide signals about employees' abilities to the labor market, and therefore career conc...

  6. Coordination under the Shadow of Career Concerns

    DEFF Research Database (Denmark)

    Koch, Alexander; Morgenstern, Albrecht

    To innovate, firms require their employees to develop novel ideas and to coordinate with each other to turn these ideas into products, services or business strategies. Because the quality of implemented designs that employees are associated with affects their labor market opportunities, career co...

  7. Coordinated School Health Programs. Position Statement. Revised

    Science.gov (United States)

    National Association of School Nurses (NJ1), 2008

    2008-01-01

    It is the position of the National Association of School Nurses (NASN) that all children should have the right to coordinated school health programs. NASN supports continued research to document the outcomes of these programs. School nurses should use their professional education and skills to assist their schools and communities in the…

  8. Electrician's Helper. Coordinator's Guide. Individualized Study Guide.

    Science.gov (United States)

    Stotts, Danny

    This guide is designed to assist teacher-coordinators supervising cooperative education programs for electrician's helpers in helping students complete a set of individualized, competency-based training activities dealing with electricity and electrical circuits and equipment. The first part of the manual includes a progress chart, a study guide…

  9. Towards reduction of Paradigm coordination models

    NARCIS (Netherlands)

    Andova, S.; Groenewegen, L.P.J.; Vink, E.P. de; Aceto, L.; Mousavi, M.R.

    2011-01-01

    The coordination modelling language Paradigm addresses collaboration between components in terms of dynamic constraints. Within a Paradigm model, component dynamics are consistently specified at a detailed and a global level of abstraction. To enable automated verification of Paradigm models, a tran

  10. 76 FR 79151 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2011-12-21

    ... Forest Service Forest Resource Coordinating Committee AGENCY: Forest Service, USDA. ACTION: Notice of meeting. SUMMARY: The Forest Resource Committee Meeting will meet in Washington, DC on January 20, 2012... closed to the public. The Forest Resource Committee is authorized under the Food, Conservation,...

  11. On hydrostatic flows in isentropic coordinates

    NARCIS (Netherlands)

    Bokhove, Onno

    2000-01-01

    The hydrostatic primitive equations of motion which have been used in large-scale weather prediction and climate modelling over the last few decades are analysed with variational methods in an isentropic Eulerian framework. The use of material isentropic coordinates for the Eulerian hydrostatic equa

  12. Duality between coordinates and Dirac field

    OpenAIRE

    Abdalla, M. C. B.; Gadelha, A. L.; Vancea, I. V.

    2000-01-01

    The duality between the Cartesian coordinates on the Minkowski space-time and the Dirac field is investigated. Two distinct possibilities to define this duality are shown to exist. In both cases, the equations satisfied by prepotentials are of second order.

  13. Duality between coordinates and Dirac field

    Science.gov (United States)

    Abdalla, M. C. B.; Gadelha, A. L.; Vancea, I. V.

    2000-07-01

    The duality between the Cartesian coordinates on the Minkowski space-time and the Dirac field is investigated. Two distinct possibilities to define this duality are shown to exist. In both cases, the equations satisfied by prepotentials are of second order.

  14. Three-Dimensional Orthogonal Co-ordinates

    Science.gov (United States)

    Astin, J.

    1974-01-01

    A systematic approach to general orthogonal co-ordinates, suitable for use near the end of a beginning vector analysis course, is presented. It introduces students to tensor quantities and shows how equations and quantities needed in classical problems can be determined. (Author/LS)

  15. Taxation in the MERCOSUR and Coordination Possibilities

    OpenAIRE

    Alberto Daniel Barreix; Luiz Arruda Villela

    2003-01-01

    This paper analyzes the evolution and structure of taxation in the Mercosur countries. Specifically, it covers taxes on goods and services, including general excise taxes and excises taxes, and income taxes, both corporate and personal. It also discusses the role of the tax administration and the appellate process, and concludes with suggestions for tax policy coordination among Mercosur countries.

  16. Attentional Demands on Motor-Respiratory Coordination

    Science.gov (United States)

    Hessler, Eric E.; Amazeen, Polemnia G.

    2009-01-01

    Athletic performance requires the pacing of breathing with exercise, known as motor-respiratory coordination (MRC). In this study, we added cognitive and physical constraints while participants intentionally controlled their breathing locations during rhythmic arm movement. This is the first study to examine a cognitive constraint on MRC.…

  17. Coordination of knowledge in judging animated motion

    Directory of Open Access Journals (Sweden)

    Jose P. Mestre

    2006-11-01

    Full Text Available Coordination class theory is used to explain college students’ judgments about animated depictions of moving objects. diSessa’s coordination class theory models a “concept” as a complex knowledge system that can reliably determine a particular type of information in widely varying situations. In the experiment described here, fifty individually interviewed college students judged the realism of two sets of computer animations depicting balls rolling on a pair of tracks. The judgments of students from an introductory physics class were strongly affected by the number of balls depicted (one or two, but the judgments of students from an educational psychology class were not. Coordination analysis of interview transcripts supports the interpretation that physics students’ developing physics knowledge led them to consistently miss or ignore some observations that the other students consistently paid attention to. The analysis highlights the context sensitivity and potential fragility of coordination systems, and leads to the conclusion that students’ developing knowledge systems might not necessarily result in consistently improving performance.

  18. Supply chain coordination in industrial symbiosis

    DEFF Research Database (Denmark)

    Herczeg, Gabor; Akkerman, Renzo; Hauschild, Michael Zwicky

    2013-01-01

    Industrial symbiosis (IS) is a form of supply chain cooperation in industrial networks in order to achieve collective benefits by leveraging each other’s by-products and sharing services and utilities. This paper investigates the concept of IS from the perspective of supply chain coordination (SCC...

  19. 78 FR 73819 - Forest Resource Coordinating Committee

    Science.gov (United States)

    2013-12-09

    ... Coordinator, Cooperative Forestry Staff, 202-205-1376 or Karl Dalla Rosa, Cooperative Forestry Staff, 202-205... submit to the Secretary regarding alignment of landowner assistance delivery systems, forest inventory...: November 29, 2013. Paul Ries, Associate Deputy Chief, State and Private Forestry. BILLING CODE 3410-11-P...

  20. INFCE technical co-ordinating committee documents

    International Nuclear Information System (INIS)

    A collection of the documents covering the period December 1977 through February 1980 submitted to or generated by the Technical Co-ordinating Comittee is presented. The documents cover primarily the organizational aspects of INFCE, but conclusions from the various Working Trays are summarized

  1. The Mortensen rule and efficient coordination unemployment

    DEFF Research Database (Denmark)

    Julien, Benoit; Kennes, John; King, Ian

    2006-01-01

    We apply the efficiency axioms of [Mortensen, D. (1982). Efficiency of mating, racing and related games. American Economic Review, 72 968–979.] to a set of matching games involving coordination frictions between buyers. These games include markets with finite numbers of buyers and sellers and...

  2. Derived strengths of preference relations on coordinates

    OpenAIRE

    Wakker, Peter

    1988-01-01

    textabstractway is indicated to derive, from a preference relation on a Cartesian product, strength of preference relations on the coordinate sets. These strengths of preference relations are then used to reformulate several well-known properties of preference relations, and make their meaning more transparent. A new result for dynamic contexts is given.

  3. Coordinating Council. Ninth Meeting: Total Quality Management

    Science.gov (United States)

    1992-01-01

    This report summarizes the 9th meeting of the STI Coordinating Council. The council listened to the speakers' understanding of Total Quality Management (TQM) principles and heard stories of successful applications of these principles. Definitions of quality stated were focused on customer satisfaction. Reports presented by the speakers are also included.

  4. Prenatal Exposure to Perfluorinated Chemicals and Behavioral or Coordination Problems at Age 7 Years

    OpenAIRE

    Fei, Chunyuan; Olsen, Jørn

    2010-01-01

    Objective Potential neurotoxic effects of perfluorinated compounds (PFCs) have been reported in highly exposed animals, but whether these chemicals are neurotoxic in humans is not known. We therefore investigated whether prenatal exposure to perfluorooctanoic acid (PFOA) or perfluorooctane sulfate (PFOS), two of the most prevalent PFCs, are associated with behavioral or coordination problems in early childhood. Methods We used data from the Danish National Birth Cohort, which enrolled mothers...

  5. Distributed sensor coordination for advanced energy systems

    Energy Technology Data Exchange (ETDEWEB)

    Tumer, Kagan [Oregon State Univ., Corvallis, OR (United States). School of Mechanical, Industrial and Manufacturing Engineering

    2015-03-12

    Motivation: The ability to collect key system level information is critical to the safe, efficient and reliable operation of advanced power systems. Recent advances in sensor technology have enabled some level of decision making directly at the sensor level. However, coordinating large numbers of sensors, particularly heterogeneous sensors, to achieve system level objectives such as predicting plant efficiency, reducing downtime or predicting outages requires sophisticated coordination algorithms. Indeed, a critical issue in such systems is how to ensure the interaction of a large number of heterogenous system components do not interfere with one another and lead to undesirable behavior. Objectives and Contributions: The long-term objective of this work is to provide sensor deployment, coordination and networking algorithms for large numbers of sensors to ensure the safe, reliable, and robust operation of advanced energy systems. Our two specific objectives are to: 1. Derive sensor performance metrics for heterogeneous sensor networks. 2. Demonstrate effectiveness, scalability and reconfigurability of heterogeneous sensor network in advanced power systems. The key technical contribution of this work is to push the coordination step to the design of the objective functions of the sensors, allowing networks of heterogeneous sensors to be controlled. By ensuring that the control and coordination is not specific to particular sensor hardware, this approach enables the design and operation of large heterogeneous sensor networks. In addition to the coordination coordination mechanism, this approach allows the system to be reconfigured in response to changing needs (e.g., sudden external events requiring new responses) or changing sensor network characteristics (e.g., sudden changes to plant condition). Impact: The impact of this work extends to a large class of problems relevant to the National Energy Technology Laboratory including sensor placement, heterogeneous sensor

  6. Coordination of soccer players during preseason training.

    Science.gov (United States)

    Tessitore, Antonio; Perroni, Fabrizio; Cortis, Cristina; Meeusen, Romain; Lupo, Corrado; Capranica, Laura

    2011-11-01

    This study aimed to verify whether coordination improves as a result of a preseason soccer training. During 5 experimental sessions (days 1, 6, 11, 15, and 19), 16 semiprofessional male soccer players (22.0 ± 3.6 years) were administered 3 specific soccer tests (speed dribbling, shooting a dead ball, and shooting from a pass) and an interlimb coordination test (total duration of a trial: 60 seconds), consisting of isodirectional and nonisodirectional synchronized (1:1 ratio) hand and foot flexions and extensions at an increasing velocity of execution (80, 120, and 180 b·min(-1)). Furthermore, subjective ratings were monitored to assess the recovery state (RestQ) of the players, their perceived exertion (rating of perceived exertion [RPE]) for the whole body, and the perceived muscle pain (rating of muscle pain [RMP]) for the lower limbs and the internal training load by means of the session-RPE method. The ratios between post and pretraining RPE and RMP increased only during the first 2 experimental sessions and decreased after the second week of the training camp (p = 0.001). The Rest-Q showed increases (p < 0.05) for general stress, conflict/pressure, social recovery, and being in shape dimensions. Conversely, decreases (p < 0.05) were observed for social stress, fatigue, physical complaints dimensions. Throughout the preseason, the players improved their speed dribbling (p = 0.03), Shooting from a Pass (p = 0.02), and interlimb coordination (p < 0.0001) performances. These coordination tests succeeded in discriminating coordination in soccer players and could integrate field test batteries during the whole soccer season, because they were easily and inexpensively administrable by coaches. PMID:21993023

  7. The coordination dynamics of social neuromarkers.

    Science.gov (United States)

    Tognoli, Emmanuelle; Kelso, J A Scott

    2015-01-01

    Social behavior is a complex integrative function that entails many aspects of the brain's sensory, cognitive, emotional and movement capacities. Its neural processes are seldom simultaneous but occur according to precise spatiotemporal choreographies, manifested by the coordination of their oscillations within and between brains. Methods with good temporal resolution can help to identify so-called "neuromarkers" of social function and aid in disentangling the dynamical architecture of social brains. In our ongoing research, we have used dual-electroencephalography (EEG) to study neuromarker dynamics during synchronic interactions in which pairs of subjects coordinate behavior spontaneously and intentionally (social coordination) and during diachronic transactions that require subjects to perceive or behave in turn (action observation, delayed imitation). In this paper, after outlining our dynamical approach to the neurophysiological basis of social behavior, we examine commonalities and differences in the neuromarkers that are recruited for both kinds of tasks. We find the neuromarker landscape to be task-specific: synchronic paradigms of social coordination reveal medial mu, alpha and the phi complex as contributing neuromarkers. Diachronic tasks recruit alpha as well, in addition to lateral mu rhythms and the newly discovered nu and kappa rhythms whose functional significance is still unclear. Social coordination, observation, and delayed imitation share commonality of context: in each of our experiments, subjects exchanged information through visual perception and moved in similar ways. Nonetheless, there was little overlap between their neuromarkers, a result that hints strongly of task-specific neural mechanisms for social behavior. The only neuromarker that transcended both synchronic and diachronic social behaviors was the ubiquitous alpha rhythm, which appears to be a key signature of visually-mediated social behaviors. The present paper is both an entry

  8. The coordination dynamics of social neuromarkers

    Directory of Open Access Journals (Sweden)

    Emmanuelle Tognoli

    2015-10-01

    Full Text Available Social behavior is a complex integrative function that entails many aspects of the brain's sensory, cognitive, emotional and motor capacities. Its neural processes are seldom simultaneous but occur according to precise spatiotemporal choreographies, manifested by the coordination of their oscillations within and between brains. Methods with good temporal resolution can help to identify so-called "neuromarkers" of social function and aid in disentangling the dynamical architecture of social brains. In our ongoing research, we have used dual-EEG to study neuromarker dynamics during synchronic interactions in which pairs of subjects coordinate behavior spontaneously and intentionally (social coordination and during diachronic transactions that require subjects to perceive or behave in turn (action observation, delayed imitation. In this paper, after outlining our dynamical approach to the neurophysiological basis of social behavior, we examine commonalities and differences in the neuromarkers that are recruited for both kinds of tasks. We find the neuromarker landscape to be task-specific: synchronic paradigms of social coordination reveal medial mu, alpha and the phi complex as contributing neuromarkers. Diachronic tasks recruit alpha as well, in addition to lateral mu rhythms and the newly discovered nu and kappa rhythms whose functional significance is still unclear. Social coordination, observation, and delayed imitation share commonality of context: in each of our experiments, subjects exchanged information through visual perception and moved in similar ways. Nonetheless, there was little overlap between their neuromarkers, a result that hints strongly of task-specific neural mechanisms for social behavior. The only neuromarker that transcended both synchronic and diachronic social behaviors was the ubiquitous alpha rhythm, which appears to be a key signature of visually-mediated social behaviors. The present paper is both an entry point and a

  9. A Customizable Model for Chronic Disease Coordination: Lessons Learned From the Coordinated Chronic Disease Program

    Science.gov (United States)

    Sequeira, Sonia; Chavez, Amy Holmes

    2016-01-01

    In 2012, the Centers for Disease Control and Prevention provided funding and technical assistance to all states and territories to implement the Coordinated Chronic Disease Program, marking the first time that all state health departments had federal resources to coordinate chronic disease prevention and control programs. This article describes lessons learned from this initiative and identifies key elements of a coordinated approach. We analyzed 80 programmatic documents from 21 states and conducted semistructured interviews with 7 chronic disease directors. Six overarching themes emerged: 1) focused agenda, 2) identification of functions, 3) comprehensive planning, 4) collaborative leadership and expertise, 5) managed resources, and 6) relationship building. These elements supported 4 essential activities: 1) evidence-based interventions, 2) strategic use of staff, 3) consistent communication, and 4) strong program infrastructure. On the basis of these elements and activities, we propose a conceptual model that frames overarching concepts, skills, and strategies needed to coordinate state chronic disease prevention and control programs. PMID:27032986

  10. A Customizable Model for Chronic Disease Coordination: Lessons Learned From the Coordinated Chronic Disease Program.

    Science.gov (United States)

    Voetsch, Karen; Sequeira, Sonia; Chavez, Amy Holmes

    2016-01-01

    In 2012, the Centers for Disease Control and Prevention provided funding and technical assistance to all states and territories to implement the Coordinated Chronic Disease Program, marking the first time that all state health departments had federal resources to coordinate chronic disease prevention and control programs. This article describes lessons learned from this initiative and identifies key elements of a coordinated approach. We analyzed 80 programmatic documents from 21 states and conducted semistructured interviews with 7 chronic disease directors. Six overarching themes emerged: 1) focused agenda, 2) identification of functions, 3) comprehensive planning, 4) collaborative leadership and expertise, 5) managed resources, and 6) relationship building. These elements supported 4 essential activities: 1) evidence-based interventions, 2) strategic use of staff, 3) consistent communication, and 4) strong program infrastructure. On the basis of these elements and activities, we propose a conceptual model that frames overarching concepts, skills, and strategies needed to coordinate state chronic disease prevention and control programs. PMID:27032986

  11. Early Retirement Pension Benefits

    OpenAIRE

    Jeremy I. Bulow

    1981-01-01

    Early retirement options alter the accrual of pension benefits, increasing the fraction of total benefits accrued in the early years of work. This is true regardless of whether de facto no worker exercises the early retirement option. No currently used actuarial method correctly calculates the cost of an early retirement option. Early retirement options must be considered in calculating age/compensation profiles. Furthermore, the early retirement option can effectively be used to encourage le...

  12. Visualization of multidimensional data with collocated paired coordinates and general line coordinates

    Science.gov (United States)

    Kovalerchuk, Boris

    2013-12-01

    Often multidimensional data are visualized by splitting n-D data to a set of low dimensional data. While it is useful it destroys integrity of n-D data, and leads to a shallow understanding complex n-D data. To mitigate this challenge a difficult perceptual task of assembling low-dimensional visualized pieces to the whole n-D vectors must be solved. Another way is a lossy dimension reduction by mapping n-D vectors to 2-D vectors (e.g., Principal Component Analysis). Such 2-D vectors carry only a part of information from n-D vectors, without a way to restore n-D vectors exactly from it. An alternative way for deeper understanding of n-D data is visual representations in 2-D that fully preserve n-D data. Methods of Parallel and Radial coordinates are such methods. Developing new methods that preserve dimensions is a long standing and challenging task that we address by proposing Paired Coordinates that is a new type of n-D data visual representation and by generalizing Parallel and Radial coordinates as a General Line coordinates. The important novelty of the concept of the Paired Coordinates is that it uses a single 2-D plot to represent n-D data as an oriented graph based on the idea of collocation of pairs of attributes. The advantage of the General Line Coordinates and Paired Coordinates is in providing a common framework that includes Parallel and Radial coordinates and generating a large number of new visual representations of multidimensional data without lossy dimension reduction.

  13. On relation between Hamada and Boozer magnetic coordinate systems

    International Nuclear Information System (INIS)

    The relation between the Hamada and the Boozer magnetic coordinate systems is clarified by deriving them from a general magnetic field coordinate system. The coordinate transformation from the Hamada to the Boozer coordinate system is performed using a transformation function, which is easily calculated with the knowledge of the magnetic field strength only. In non-axisymmetric systems, the Fourier spectrum of the magnetic field strength only. In non-axisymmetric systems, the Fourier spectrum of the magnetic field strength |B| in the Hamada coordinate system is broader than that in the Boozer coordinate system and the leading modes of |B| in the Hamada coordinate system significantly deviate from a simple model field in comparison with the Boozer coordinate system. The Boozer coordinate system is suitable for numerical calculations, especially, for neoclassical and orbit calculations in non-axisymmetric systems. (author)

  14. A Note on Natural Coordinates and Frenet Frames

    Institute of Scientific and Technical Information of China (English)

    ZHOU Xiaozhou; ZHU Keqin

    2007-01-01

    This paper discusses the relationship between natural coordinates in fluid mechanics and orthogonal curvilinear coordinates. Since orthogonal curvilinear coordinates have some excellent mathematical properties, natural coordinates can be applied more widely if they can be transformed to orthogonal curvilinear coordinates. Frenet formulas which describe the differential properties of natural coordinates were compared with the derivative formulas of orthogonal curvilinear coordinates to show that natural coordinates are not generally orthogonal curvilinear coordinates. A method was introduced to transform natural coordinates into orthogonal curvilinear coordinates by rotating the normal planes of the natural coordinates about the streamlines. The transformation is true as long as the natural coordinates satisfy several equations. Vorticity decomposition in the natural coordinates is used to show that these conditional equations are satisfied only if the streamlines are perpendicular to the vortexlines on every given point in the flow field. These equations apply in both planar flows and axisymmetric flows without a circumferential velocity component, but do not apply in some 3-D flows such as Beltrami flow.

  15. Coordinate Singularities in Harmonically-sliced Cosmologies

    CERN Document Server

    Hern, S D

    2000-01-01

    Harmonic slicing has in recent years become a standard way of prescribing the lapse function in numerical simulations of general relativity. However, as was first noticed by Alcubierre (1997), numerical solutions generated using this slicing condition can show pathological behaviour. In this paper, analytic and numerical methods are used to examine harmonic slicings of Kasner and Gowdy cosmological spacetimes. It is shown that in general the slicings are prevented from covering the whole of the spacetimes by the appearance of coordinate singularities. As well as limiting the maximum running times of numerical simulations, the coordinate singularities can lead to features being produced in numerically evolved solutions which must be distinguished from genuine physical effects.

  16. Non covalent assembly of coordination superstructures

    CERN Document Server

    Khlobystov, A N

    2002-01-01

    The main topic of this work is the design of discrete and polymeric multi-component coordination structures using non-covalent interactions between organic and inorganic molecular components. All of the structures described herein are based on transition metal cations and N-donor heterocyclic bis-exodentate ligands with different geometries and various spacer functionalities. The predominant method used for the structural characterisation of the complexes was single crystal X-ray crystallography. X-ray powder diffraction, IR and NMR spectroscopies and TEM and AFM imaging were used to characterise the bulk products from the reactions. Chapter 1 is a comparative review of non-covalent interactions relevant to coordination superstructures and covers the latest developments in the area of crystal engineering and supramolecular chemistry. The nature, geometry and relative energy of the non-covalent interactions are considered in detail in order to reveal their influence on the structure and properties of complexes...

  17. Muscle coordination changes during intermittent cycling sprints.

    Science.gov (United States)

    Billaut, François; Basset, Fabien A; Falgairette, Guy

    2005-06-01

    Maximal muscle power is reported to decrease during explosive cyclical exercises owing to metabolic disturbances, muscle damage, and adjustments in the efferent neural command. The aim of the present study was to analyze the influence of inter-muscle coordination in fatigue occurrence during 10 intermittent 6-s cycling sprints, with 30-s recovery through electromyographic activity (EMG). Results showed a decrease in peak power output with sprint repetitions (sprint 1 versus sprint 10: -11%, Pversus sprint 10: -90.2 ms, Pcycling sprints of short duration, decreased possibly due to the inability of muscles to maintain maximal force. This reduction in maximal power output occurred in parallel to changes in the muscle coordination pattern after fatigue. PMID:15862899

  18. Coordinating quality practices in Direct Trade coffee

    DEFF Research Database (Denmark)

    Holland, Emil; Kjeldsen, Chris; Kerndrup, Søren

    2016-01-01

    Over the past few decades, many food niches have emerged with a specific focus on quality. In specialty coffee, micro roasters have brought about Direct Trade coffee as a way of organising an alternative around new tastes and qualities through ongoing and ‘direct’ relations to farmers...... and cooperatives. But Direct Trade also involves exporters. We ask, how do exporters and roasters work together in these new coffee relations, and what do they work on? We observe and participate in a situation where Colombian coffee exporters visit Danish roasters. They tour the roasting facilities and taste...... a number of coffees. Often, the term power is used to analyse such value chain interactions, but we argue that the term coordination better opens up these interactions for exploration and analysis. What emerges is a coordination of quality. Through touring and tasting, issues emerge and differences...

  19. Particle simulation in curvilinear coordinate systems

    International Nuclear Information System (INIS)

    We present methods for particle simulation of plasmas in a nearly arbitrary coordinate metric and describe a toroidal electrostatic simulation code that evolved from this effort. A Mercier-type coordinate system is used, with a nonuniform radial grid for improved cross-field resolution. A fast iterative method for solving the Poisson equation is employed, and the interpolation/filtering technique shown to be momentum and energy conserving in the continuum limit. Lorentz ion and drift electron species are used. The code has been thoroughly tested for its reproduction of linear and nonlinear physics, and has been applied to the toroidal drift wave problem and its impact on anomalous transport in tokamaks. 40 refs., 10 figs., 1 tab

  20. Responsive lanthanide coordination polymer for hydrogen sulfide.

    Science.gov (United States)

    Liu, Baoxia; Chen, Yang

    2013-11-19

    Metal organic coordination polymers have received great attention because of their flexible compositions and architecture. Here, we report the design and synthesis of a responsive lanthanide coordination polymer (LCP) for hydrogen sulfide (H2S), utilizing self-assembling of biomolecule nucleotide with luminescent terbium ion (Tb(3+)) and sensitizing silver ion (Ag(+)) in aqueous solution. LCP is highly fluorescent due to the inclusion of Ag(+) ions, which sensitized the fluorescence of Tb(3+) ions. H2S can strongly quench the fluorescence of LCP through its high affinity for Ag(+) ions. Such configurated LCP material from initial building blocks showed high sensitivity and selectivity for H2S and was applied to the determination of H2S in human serum. LCP with Tb(3+) ions also has a long fluorescence lifetime, which allows for time-resolved fluorescence assays, possessing particular advantages to probing H2S in biological systems with autofluorescence. PMID:24191713

  1. The coordination of care across borders

    DEFF Research Database (Denmark)

    Kierkegaard, Patrick

    -savings, improved quality of care, avoidance of unnecessary tests, improved work efficiency, reduced waiting times and improvement in the overall efficiency of the healthcare system. Although benefits exists, healthcare organizations have experienced difficulties attaining them and overall adoption of e...... with implementing a new system, and uncertainty that the technology may actually reduce overall costs. The coordination of care across boundaries presents a plethora of issues that need to be tackled from a policy, legal, practical research perspective. This thesis attempts to address pressing issues...... with a particular focus on the implications health information exchange for the purposes of coordinating care will have on both the patient and healthcare professionals on three levels: international, national and institutional level. The findings of this thesis imply that in order for cross-border health...

  2. Update of technical coordinating committee activities

    Energy Technology Data Exchange (ETDEWEB)

    Alvarado, R.A.

    1995-12-31

    The Technical Coordinating Committee has its origins in the earliest days of implementing the Low-Level Radioactive Waste Policy Act. Between 1982 and 1985, individuals in several of the states felt that coordination among the states would be beneficial to all by affording states a cost-effective method for sharing ideas, discussing alternatives, and presenting solutions to common problems. At the current time, the committee comprises members from each of the sited states. Various compacts, federal agencies, and industry groups participate in committee activities. The Low-Level Management Program provides support for the committee through the provision of logistical support and limited manpower allocation. Activities of the committee have recently focused on waste treatment and minimization technologies. The committee also has worked diligently to see the review of the 3RSTAT computer code completed. The committee has taken a position on various regulatory proposals the past year. The committee expects to continue its work until new sites are brought online.

  3. VIRTUE ETHICS - NEW COORDINATES FOR ECONOMIC DEVELOPMENT

    Directory of Open Access Journals (Sweden)

    PUP ANCA

    2010-12-01

    Full Text Available Operating with business ethic we meet, some ethical systems, some of them developed in Antiquity, that still have a great influence upon economics development. One of these is the ethics of virtue. The aim of this paper work is to focus upon the one ethical system virtue ethics and to illustrate his influence in economical field, offering a new coordination in this direction. We understand the importance of the human character for a successful leadership and management. Recent ethical dilemmas illustrate us how a vicious character has an influence not only to the possessor of that type of character but also to the entire community where he develop his activities. For a comprehensive understanding I expose a briefly review on virtue ethics as it was developed by Plato and Aristotle, ant its new coordination and influence upon our contemporaneous economy, illustrated by some examples.

  4. Environmental benefits from hydro-thermal coordination

    International Nuclear Information System (INIS)

    Individual hydro- and thermal dominated electric power systems often have characteristics which make coordination between such systems inherently desirable. Operation- and design related differences call for interconnecting the two types of systems, e.g. by a 'pump-storage type' interplay between them. In this scheme the hydro-system can provide for required additional peak power and the necessary 'profiles' of production, while the thermal system covers new energy demand by increased energy production on the course of off-peak hours. Since energy represents one of the crucial building blocks in a modern society, all considerations concerning the development of coordinated systems of first of all focused on the functions and the economics efficiency of these systems and second on the technical solutions that have been developed. However, people have realized that they are part of a larger picture and that their well-being cannot be separated from that of nature. Power production from fossil burning and energy used can give about significant adverse environmental effects through emission into atmosphere of SO2, NOx, CO2, and particulates. The environmental aspects has more or less been neglected in the coordination process. Therefore the time in ripe to extend the discussion to include also environmental effects. The true least-cost solution to the utility operation- and planning problem can only be found by a consistent treatment of environmental effects in all steps of this problem. The paper gives an overview of the problem and demonstrates the environmental benefits from hydro-thermal coordination. (Author)

  5. The coordination chemistry of saturated molecules

    OpenAIRE

    Bercaw, John E.; Labinger, Jay A.

    2007-01-01

    Our understanding of bonding in transition metal complexes, as well as our ability to use that understanding in the synthesis and application of new species, has evolved over the last 100 years; and in some sense this special feature on the coordination chemistry of saturated molecules may be considered to represent its culmination. The nature of complexes between transition metal ions and neutral molecules such as ammonia was first correctly described by Werner around the beginning of the 20...

  6. Supply chain coordination in industrial symbiosis

    OpenAIRE

    Herczeg, Gabor; Akkerman, Renzo; Hauschild, Michael Zwicky

    2013-01-01

    Industrial symbiosis (IS) is a form of supply chain cooperation in industrial networks in order to achieve collective benefits by leveraging each other’s by-products and sharing services and utilities. This paper investigates the concept of IS from the perspective of supply chain coordination (SCC). For this purpose a theoretical framework is built based on SCC aspects, which is subsequently used to analyze a case study. We conclude that research is scant on operational issues and trade-offs ...

  7. Cylindrical Superlens by a Coordinate Transformation

    OpenAIRE

    Yan, Min; Yan, Wei; Qiu, Min

    2008-01-01

    Cylinder-shaped perfect lens deduced from the coordinate transformation method is proposed. The previously reported perfect slab lens is noticed to be a limiting form of the cylindrical lens when the inner radius approaches infinity with respect to the lens thickness. Connaturality between a cylindrical lens and a slab lens is affirmed by comparing their eigenfield transfer functions. We numerically confirm the subwavelength focusing capability of such a cylindrical lens with consideration of...

  8. Homomorphic Coordinates of Dempster’s Semigroup

    Czech Academy of Sciences Publication Activity Database

    Daniel, Milan

    Praha: Oeconomica, 2015 - (Kratochvíl, V.), s. 49-60 ISBN 978-80-245-2102-2. [WUPES 2015. Workshop on Uncertainty Processing /10./. Monínec (CZ), 16.09.2015-19.09.2015] Institutional support: RVO:67985807 Keywords : belief functions * Dempster-Shafer Theory * Dempster's semigroup * homomorphism * homomorphic coordinates Subject RIV: BA - General Mathematics http://wupes.fm.vse.cz/2015/data/Proceedings.pdf

  9. Coordination Techniques for Distributed Artificial Intelligence

    OpenAIRE

    Jennings, N. R.

    1996-01-01

    Coordination, the process by which an agent reasons about its local actions and the (anticipated) actions of others to try and ensure the community acts in a coherent manner, is perhaps the key problem of the discipline of Distributed Artificial Intelligence (DAI). In order to make advances it is important that the theories and principles which guide this central activity are uncovered and analysed in a systematic and rigourous manner. To this end, this paper models agent communities using a ...

  10. Coordination and Legitimacy in International Business Taxation.

    OpenAIRE

    Picciotto, Salomone

    2006-01-01

    This paper will outline the changing forms of cooperation between national tax authorities in the taxation of income or profits from international business, especially transnational corporations (TNCs). The case study will illustrate broader trends of transformation both of statehood and the international state system, from the classical liberal model based on interdependence and coordination of nation-states through central governments, towards a post-liberal one of decentred multi-level glo...

  11. Programmed device for coordinate measuring mechanisms

    International Nuclear Information System (INIS)

    The programmed device providing the automatic measurement of the coordinate of a continuously travelling carriage with stepwise control of the pitch and measurement range in wide limits is described. The matching of measured points at the direct and return travels of the carriage is within 50 mcm. The device was developed to automize the measurement of charged particles tracks by means of floating-wire method. It may be also used in different recorders

  12. Alternating Spatial Patterns for Coordinated Group Motion

    OpenAIRE

    Swain, Daniel T.; Leonard, Naomi Ehrich; Couzin, Iain D; Kao, Albert; Sepulchre, Rodolphe

    2007-01-01

    Abstract—Motivated by recent observations of fish schools, we study coordinated group motion for individuals with oscillatory speed. Neighbors that have speed oscillations with common frequency, amplitude and average but different phases, move together in alternating spatial patterns, taking turns being towards the front, sides and back of the group. We propose a model and control laws to investigate the connections between these spatial dynamics, communication when sensi...

  13. Coordination in Large-Scale Agile Development

    OpenAIRE

    Morken, Ragnar Alexander T

    2014-01-01

    In the last decade agile software development methods has become one of themost popular topics within software engineering. Agile software developmentis well accepted in small projects among the practitioner community and inrecent years, there has also been several large-scale projects adopting agilemethodologies, but there is little understanding of how such projects achieveeective coordination, which is known to be a critical factor in software engineering.This thesis describe an explorator...

  14. Spin Hall Effect in Noncommutative Coordinates

    OpenAIRE

    Dayi, O. F.; Elbistan, M.

    2008-01-01

    A semiclassical constrained Hamiltonian system which was established to study dynamical systems of matrix valued non-Abelian gauge fields is employed to formulate spin Hall effect in noncommuting coordinates at the first order in the constant noncommutativity parameter theta . The method is first illustrated by studying the Hall effect on the noncommutative plane in a gauge independent fashion. Then, the Drude model type and the Hall effect type formulations of spin Hall effect are considered...

  15. Towards reduction of Paradigm coordination models

    OpenAIRE

    Andova, S.; Groenewegen, L. P. J.; Vink, de, E.P.; Aceto, Luca; Mousavi, M.R.

    2011-01-01

    The coordination modelling language Paradigm addresses collaboration between components in terms of dynamic constraints. Within a Paradigm model, component dynamics are consistently specified at a detailed and a global level of abstraction. To enable automated verification of Paradigm models, a translation of Paradigm into process algebra has been defined in previous work. In this paper we investigate, guided by a client-server example, reduction of Paradigm models based on a notion of global...

  16. Price schedules coordination for electricity pool markets

    Science.gov (United States)

    Legbedji, Alexis Motto

    2002-04-01

    We consider the optimal coordination of a class of mathematical programs with equilibrium constraints, which is formally interpreted as a resource-allocation problem. Many decomposition techniques were proposed to circumvent the difficulty of solving large systems with limited computer resources. The considerable improvement in computer architecture has allowed the solution of large-scale problems with increasing speed. Consequently, interest in decomposition techniques has waned. Nonetheless, there is an important class of applications for which decomposition techniques will still be relevant, among others, distributed systems---the Internet, perhaps, being the most conspicuous example---and competitive economic systems. Conceptually, a competitive economic system is a collection of agents that have similar or different objectives while sharing the same system resources. In theory, constructing a large-scale mathematical program and solving it centrally, using currently available computing power can optimize such systems of agents. In practice, however, because agents are self-interested and not willing to reveal some sensitive corporate data, one cannot solve these kinds of coordination problems by simply maximizing the sum of agent's objective functions with respect to their constraints. An iterative price decomposition or Lagrangian dual method is considered best suited because it can operate with limited information. A price-directed strategy, however, can only work successfully when coordinating or equilibrium prices exist, which is not generally the case when a weak duality is unavoidable. Showing when such prices exist and how to compute them is the main subject of this thesis. Among our results, we show that, if the Lagrangian function of a primal program is additively separable, price schedules coordination may be attained. The prices are Lagrange multipliers, and are also the decision variables of a dual program. In addition, we propose a new form of

  17. Coordination mechanisms in the store opening process

    OpenAIRE

    Sandberg, Erik

    2014-01-01

    Purpose – For many retailers organic growth through the opening of new stores is a crucial cornerstone of the business model. The purpose of this paper is to explore the store opening process conducted by retail companies. The research questions cover: first, the role and organisation of the establishment function in charge of the process; second, the activities and functions involved in the process; and third, the coordination mechanisms applied during the process. Design/methodology/approac...

  18. Coordinating Expertise in Software Development Teams

    OpenAIRE

    Samer Faraj; Lee Sproull

    2000-01-01

    Like all teams, knowledge teams must acquire and manage critical resources in order to accomplish their work. The most critical resource for knowledge teams is expertise, or specialized skills and knowledge, but the mere presence of expertise on a team is insufficient to produce high-quality work. Expertise must be managed and coordinated in order to leverage its potential. That is, teams must be able to manage their skill and knowledge interdependencies effectively through expertise coordina...

  19. Locally inertial coordinates with totally antisymmetric torsion

    CERN Document Server

    Socolovsky, M

    2010-01-01

    We show that the necessary and sufficient condition for erecting locally inertial coordinates at a point $p$ of a $U^4$-space, and therefore assuring the validity of the equivalence principle at that point, is the vanishing at $p$ of the symmetric part of the contortion tensor. This fact does not demand a vanishing torsion, but only a totally antisymmetric one. As an application, we derive the geodesic deviation equation; and prove the compatibility with the Newtonian limit.

  20. The coordination dynamics of social neuromarkers

    OpenAIRE

    Emmanuelle Tognoli; Scott Kelso, J. A.

    2013-01-01

    Social behavior is a complex integrative function that entails many aspects of the brain’s sensory, cognitive, emotional and movement capacities. Its neural processes are seldom simultaneous but occur according to precise spatiotemporal choreographies, manifested by the coordination of their oscillations within and between brains. Methods with good temporal resolution can help to identify so-called “neuromarkers” of social function and aid in disentangling the dynamical architecture of social...

  1. Applications of chiroptical spectroscopy to coordination compounds

    Czech Academy of Sciences Publication Activity Database

    Wu, Tao; You, X. Z.; Bouř, Petr

    2015-01-01

    Roč. 284, SI (2015), s. 1-18. ISSN 0010-8545 R&D Projects: GA ČR GA13-03978S; GA ČR GAP208/11/0105 Grant ostatní: GA AV ČR(CZ) M200550902 Institutional support: RVO:61388963 Keywords : chirality * coordination compounds * chiroptical spectroscopy * new materials Subject RIV: CF - Physical ; Theoretical Chemistry Impact factor: 12.239, year: 2014

  2. Coordination and communication inside game engine

    OpenAIRE

    Kukkamaa, T. (Tuomas)

    2015-01-01

    This study examines the communication and coordination among different parts of game engine. As games contain multiple co-operating processes, each of which handles a small part of whole game experience, game engines must handle the management of co-operation efficiently. The issue is that while the competitive and demanding game industry has hastened the development of game engines, the academic research has been lagging behind. This study aims to bridge the gap between industrial know-h...

  3. Coordinating, Scheduling, Processing and Analyzing IYA09

    Science.gov (United States)

    Gipson, John; Behrend, Dirk; Gordon, David; Himwich, Ed; MacMillan, Dan; Titus, Mike; Corey, Brian

    2010-01-01

    The IVS scheduled a special astrometric VLBI session for the International Year of Astronomy 2009 (IYA09) commemorating 400 years of optical astronomy and 40 years of VLBI. The IYA09 session is the most ambitious geodetic session to date in terms of network size, number of sources, and number of observations. We describe the process of designing, coordinating, scheduling, pre-session station checkout, correlating, and analyzing this session.

  4. Agents advanced features for negotiation and coordination

    OpenAIRE

    Oliveira, E.

    2001-01-01

    Agent-based systems suitable for dealing with applications where the environment is both dynamic and populated with competitors demand for sophisticated characteristics including adaptation, negotiation and coordination. We here briefly summarize some proposals on agents negotiation capabilities including adaptation through reinforcement learning as well as qualitative multi-criteria negotiation and coalition formation protocols. Also, and inspired by robosoccer domain, some basic hints on kn...

  5. TOURISME-TRANSPORT : CAPACITE DE COORDINATION

    OpenAIRE

    Marques, Bruno

    2016-01-01

    Two major findings emerge from the theoretical analysis of Transport-Tourism link via a game theory type model of capacity coordination. Firstly the model explains the optimal capacities ratio of Transport and Tourism by the quotient of the ratio of tourism type (ratio of the length of stay in the destination and of transport duration) divided by the installation costs ratio (of transport and tourism).The corollary of this first finding gives the second outcome: The optimal transport and Tour...

  6. TOURISME-TRANSPORT : CAPACITÉ DE COORDINATION

    OpenAIRE

    Marques, Bruno

    2016-01-01

    Two major findings emerge from the theoretical analysis of Transport-Tourism link via a game theory type model of capacity coordination. Firstly the model explains the optimal capacities ratio of Transport and Tourism by the quotient of the ratio of tourism type (ratio of the length of stay in the destination and of transport duration) divided by the installation costs ratio (of transport and tourism).The corollary of this first finding gives the second outcome: The optimal transport and Tour...

  7. Data Assimilation by delay-coordinate nudging

    Science.gov (United States)

    Pazo, Diego; Lopez, Juan Manuel; Carrassi, Alberto

    2016-04-01

    A new nudging method for data assimilation, delay-coordinate nudging, is presented. Delay-coordinate nudging makes explicit use of present and past observations in the formulation of the forcing driving the model evolution at each time-step. Numerical experiments with a low order chaotic system show that the new method systematically outperforms standard nudging in different model and observational scenarios, also when using an un-optimized formulation of the delay-nudging coefficients. A connection between the optimal delay and the dominant Lyapunov exponent of the dynamics is found based on heuristic arguments and is confirmed by the numerical results, providing a guideline for the practical implementation of the algorithm. Delay-coordinate nudging preserves the easiness of implementation, the intuitive functioning and the reduced computational cost of the standard nudging, making it a potential alternative especially in the field of seasonal-to-decadal predictions with large Earth system models that limit the use of more sophisticated data assimilation procedures.

  8. Promoting coordination in Norwegian health care

    Directory of Open Access Journals (Sweden)

    Tor I. Romøren

    2011-10-01

    Full Text Available   Introduction: The Norwegian health care system is well organized within its two main sectors - primary health and long term care on the one hand, and hospitals and specialist services on the other. However, the relation between them lacks mediating structures.Policy practice: Enhancing coordination between primary and secondary health care has been central in Norwegian health care policy the last decade. In 2003 a committee was appointed to identify coordination problems and proposed a lot of practical and organisational recommendations. It relied on an approach challenging primary and secondary health care in shared geographical regions to take action. However, these proposals were not implemented. In 2008 a new Minister of Health and Care worked out plans under the key term "Coordination Reform". These reform plans superseded and expanded the previous policy initiatives concerning cooperation, but represented also a shift in focus to a regulative and centralised strategy, including new health legislation, structural reforms and use of economic incentives that are now about to be implemented.Discussion: The article analyses the perspectives and proposals of the previous and the recent reform initiatives in Norway and discusses them in relation to integrated care measures implemented in Denmark and Sweden.

  9. Promoting coordination in Norwegian health care

    Directory of Open Access Journals (Sweden)

    Tor I. Romøren

    2011-10-01

    Full Text Available   Introduction: The Norwegian health care system is well organized within its two main sectors - primary health and long term care on the one hand, and hospitals and specialist services on the other. However, the relation between them lacks mediating structures. Policy practice: Enhancing coordination between primary and secondary health care has been central in Norwegian health care policy the last decade. In 2003 a committee was appointed to identify coordination problems and proposed a lot of practical and organisational recommendations. It relied on an approach challenging primary and secondary health care in shared geographical regions to take action. However, these proposals were not implemented. In 2008 a new Minister of Health and Care worked out plans under the key term "Coordination Reform". These reform plans superseded and expanded the previous policy initiatives concerning cooperation, but represented also a shift in focus to a regulative and centralised strategy, including new health legislation, structural reforms and use of economic incentives that are now about to be implemented. Discussion: The article analyses the perspectives and proposals of the previous and the recent reform initiatives in Norway and discusses them in relation to integrated care measures implemented in Denmark and Sweden.

  10. ITRF to GDA94 coordinate transformations

    Science.gov (United States)

    Dawson, John; Woods, Alex

    2010-12-01

    The Geocentric Datum of Australia 1994 (GDA94) is a static coordinate datum realised with respect to the International Terrestrial Reference Frame (ITRF) at the reference epoch of 1 January 1994. At this time GDA94 and ITRF were coincident, however, as a consequence of the tectonic motion of the Australian Plate, ongoing refinement of the ITRF and crustal deformation, the two reference frames have diverged and the absolute difference between them is now approximately 1 m. Consequently, precise coordinate transformations between ITRF and GDA94 are required for many applications, and in this study these transformations are reviewed, improved and extended. New transformation parameters between ITRF and GDA94 are computed, including the specific ITRF realisations of ITRF1996, ITRF1997, ITRF2000, ITRF2005 and ITRF2008. The two most recent ITRF realisations, ITRF2005 and ITRF2008, after transformation have a root-mean-square difference of less than 10 and 30 mm in the horizontal and vertical components, respectively, with respect to GDA94 at the Australian Fiducial Network (AFN) stations. However, the magnitude of some residuals exceed 15 and 60 mm in the horizontal and vertical components, respectively, which reflects the accuracy limit of GDA94. Finally, the implications and future strategies for managing the differences between GDA94 and ITRF are discussed, including novel coordinate transformation approaches and justifications for the modernisation of GDA.

  11. Nanometrization of Lanthanide-Based Coordination Polymers.

    Science.gov (United States)

    Neaime, Chrystelle; Daiguebonne, Carole; Calvez, Guillaume; Freslon, Stéphane; Bernot, Kevin; Grasset, Fabien; Cordier, Stéphane; Guillou, Olivier

    2015-11-23

    Heteronuclear lanthanide-based coordination polymers are microcrystalline powders, the luminescence properties of which can be precisely tuned by judicious choice of the rare-earth ions. In this study, we demonstrate that such materials can also be obtained as stable solutions of nanoparticles in non-toxic polyols. Bulk powders of the formula [Ln2-2x Ln'2x (bdc)3 ⋅4 H2 O]∞ (where H2 bdc denotes 1,4-benzene-dicarboxylic acid, 0≤x≤1, and Ln and Ln' denote lanthanide ions of the series La to Tm plus Y) afford nanoparticles that have been characterized by dynamic light-scattering (DLS) and transmission electron microscopy (TEM) measurements. Their luminescence properties are similar to those of the bulk materials. Stabilities versus time and versus dilution with another solvent have been studied. This study has revealed that it is possible to tune the size of the nanoparticles. This process offers a reliable means of synthesizing suspensions of nanoparticles with tunable luminescence properties and tunable size distributions in a green solvent (glycerol). The process is also extendable to other coordination polymers and other solvents (ethylene glycol, for example). It constitutes a new route for the facile solubilization of lanthanide-based coordination polymers. PMID:26471940

  12. Adaptive group coordination and role differentiation.

    Science.gov (United States)

    Roberts, Michael E; Goldstone, Robert L

    2011-01-01

    Many real world situations (potluck dinners, academic departments, sports teams, corporate divisions, committees, seminar classes, etc.) involve actors adjusting their contributions in order to achieve a mutually satisfactory group goal, a win-win result. However, the majority of human group research has involved situations where groups perform poorly because task constraints promote either individual maximization behavior or diffusion of responsibility, and even successful tasks generally involve the propagation of one correct solution through a group. Here we introduce a group task that requires complementary actions among participants in order to reach a shared goal. Without communication, group members submit numbers in an attempt to collectively sum to a randomly selected target number. After receiving group feedback, members adjust their submitted numbers until the target number is reached. For all groups, performance improves with task experience, and group reactivity decreases over rounds. Our empirical results provide evidence for adaptive coordination in human groups, and as the coordination costs increase with group size, large groups adapt through spontaneous role differentiation and self-consistency among members. We suggest several agent-based models with different rules for agent reactions, and we show that the empirical results are best fit by a flexible, adaptive agent strategy in which agents decrease their reactions when the group feedback changes. The task offers a simple experimental platform for studying the general problem of group coordination while maximizing group returns, and we distinguish the task from several games in behavioral game theory. PMID:21811595

  13. Adaptive group coordination and role differentiation.

    Directory of Open Access Journals (Sweden)

    Michael E Roberts

    Full Text Available Many real world situations (potluck dinners, academic departments, sports teams, corporate divisions, committees, seminar classes, etc. involve actors adjusting their contributions in order to achieve a mutually satisfactory group goal, a win-win result. However, the majority of human group research has involved situations where groups perform poorly because task constraints promote either individual maximization behavior or diffusion of responsibility, and even successful tasks generally involve the propagation of one correct solution through a group. Here we introduce a group task that requires complementary actions among participants in order to reach a shared goal. Without communication, group members submit numbers in an attempt to collectively sum to a randomly selected target number. After receiving group feedback, members adjust their submitted numbers until the target number is reached. For all groups, performance improves with task experience, and group reactivity decreases over rounds. Our empirical results provide evidence for adaptive coordination in human groups, and as the coordination costs increase with group size, large groups adapt through spontaneous role differentiation and self-consistency among members. We suggest several agent-based models with different rules for agent reactions, and we show that the empirical results are best fit by a flexible, adaptive agent strategy in which agents decrease their reactions when the group feedback changes. The task offers a simple experimental platform for studying the general problem of group coordination while maximizing group returns, and we distinguish the task from several games in behavioral game theory.

  14. Tools for Coordinating Planning Between Observatories

    Science.gov (United States)

    Jones, J.; Maks, L.; Fishman, M.; Grella, V.; Kerbel, U.; Misra, D.; Pell, V.

    With the realization of NASA's era of great observatories, there are now more than three space-based telescopes operating in different wave bands. This situation provides astronomers with a unique opportunity to simultaneously observe with multiple observatories. Yet scheduling multiple observatories simultaneously is highly inefficient when compared to observations using only a single observatory. Thus, programs using multiple observatories are limited not by scientific restrictions, but by operational inefficiencies. At present, multi-observatory programs are initiated by submitting observing proposals separately to each concerned observatory. To assure that the proposed observations can be scheduled, each observatory's staff has to check that the observations are valid and meet all constraints for their own observatory; in addition, they have to verify that the observations satisfy the constraints of the other observatories. Thus, coordinated observations require painstaking manual collaboration among staffs at each observatory. Due to the lack of automated tools for coordinated observations, this process is time consuming and error-prone, and the outcome of requests is not certain until the very end. To increase multi-observatory operations efficiency, such resource intensive processes need to be re-engineered. To overcome this critical deficiency, Goddard Space Flight Center's Advanced Architectures and Automation Branch is developing a prototype called the Visual Observation Layout Tool (VOLT). The main objective of VOLT is to provide visual tools to help automate the planning of coordinated observations by multiple astronomical observatories, as well as to increase the probability of scheduling all observations.

  15. DYNAMICS OF INTERHEMISPHERIC RELATIONSHIPS IN EARLY ONTOGENESIS

    Directory of Open Access Journals (Sweden)

    E.M. Berdichevskaia

    2011-12-01

    Full Text Available Studying cerebral hemispheric interaction and the principles of their coordination allow to understand the central adaptational and compensatory mechanisms in the early developmental process of children. Objectification of the level of motor function development in children in early ontogenesis, its relationship with the profile of interhemispheric organization of the brain, and its dynamics with age is highly relevant today. With the participation of 260 practically healthy children, including 74 children age 3 to 4 years and 186 age 6 to 7 years, we studied intra- and interhemispheric relations in the motor domain using the test of finger synkinesis in the early stages of childhood. Results showed that the amount of finger synkineses, and consequently the level of integration of intra- and interhemispheric relations in the brain of the child, depended on the child’s age. Besides, the magnitude, character, positive and negative dynamics of synkineses in the process of adaptation to school depend on the lateral phenotype.

  16. Starting Smart: How Early Experiences Affect Brain Development. Second Edition.

    Science.gov (United States)

    Hawley, Theresa

    Based on recent research, it is now believed that brain growth is highly dependent upon children's early experiences. Neurons allow communication and coordinated functioning among various brain areas. Brain development after birth consists of an ongoing process of wiring and rewiring the connections among neurons. The forming and breaking of…

  17. Financing Early Childhood Education Programs: State, Federal, and Local Issues

    Science.gov (United States)

    Hustedt, Jason T.; Barnett, W. Steven

    2011-01-01

    The landscape of financing early childhood education in the U.S. is complex. Programs run the gamut from tuition-supported private centers to public programs supported by federal, state, or local funds. Different funding streams are poorly coordinated. The federal government funds several major targeted programs that are available only to specific…

  18. 77 FR 57638 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-09-18

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... new measures; Formal safety assessment; Piracy and armed robbery against ships; Implementation...

  19. 76 FR 19176 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2011-04-06

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct two... safety --Piracy and armed robbery against ships --Implementation of instruments and related...

  20. 75 FR 64390 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-10-19

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... --Formal safety assessment --Piracy and armed robbery against ships --General cargo ship...

  1. 78 FR 29201 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2013-05-17

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... new measures Formal safety assessment Piracy and armed robbery against ships Implementation...

  2. 77 FR 57637 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-09-18

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... --Protection of vital shipping lanes --Periodic review of administrative requirements in mandatory...

  3. 78 FR 58596 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2013-09-24

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... session of the Assembly --Protection of vital shipping lanes --Periodic review of...

  4. 77 FR 27832 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-05-11

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... Governing Board --Protection of vital shipping lanes --External relations: --Relations with the...

  5. 76 FR 30229 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2011-05-24

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct four... vital shipping lanes. --World Maritime University. --IMO International Maritime Law...

  6. Early Marriages in Diyarbakir

    OpenAIRE

    Acemoğlu, Hamit; Ceylan, Ali; Saka, Günay; Ertem, Melikşah

    2007-01-01

    Aim: Early marriages effect women and children health adversely. To determine the prevalence of early marriages and factors associated with early marriages, this study was conducted in Diyarbakir province which is in the Southeastern Region of Turkey. Material: The study was cross sectional and a questionnaire was applied to 966 women aged över 15 years, living in Diyarbakir province. Results: The prevalence of early marriage was 42.4%. As the early marriage prevalence was increase by age. ll...

  7. Investigations of the coordinates in Ptolemy's Geographike Hyphegesis Book 8

    OpenAIRE

    Marx, Christian

    2015-01-01

    In Book 8 of his Geographike Hyphegesis Ptolemy gives coordinates for ca. 360 so-called noteworthy cities. These coordinates are the time difference to Alexandria, the length of the longest day, and partly the ecliptic distance from the summer solstice. The supposable original conversions between the coordinates in Book 8 and the geographical coordinates in the location catalogue of Books 2-7 including the underlying parameters and tabulations are here reconstructed. The results document the ...

  8. Coordination of health care in the Nordic countries

    OpenAIRE

    Tor Iversen; Anders Anell; Unto Häkkinen; Christian Kronborg; Thorhildur Ólafsdóttir

    2016-01-01

    Coordination of health care exists at many different levels and in many different forms. We describe the similarities and differences in coordination mechanisms among the Nordic countries. In some respects, the Nordic countries approach coordination problems in similar ways although differences exist. The overall pattern shows that Finland and Sweden have less country-wide coordination compared with the other countries. There are many questions and few answers with regard to which mechanisms ...

  9. cultural differences in coordination decisions within interdependent security context

    OpenAIRE

    ju, linlin

    2009-01-01

    Abstract The purpose of this study is to investigate cultural differences in coordination decisions in a coordination game with considering IDS context. IDS context is introduced into a coordination game since it recently draws more and more people’s attention. The concepts of individualism/collectivism as the key aspects of culture variability are introduced into the cultural differences study. It is assumed that Chinese people are more collectivistic and more likely to coordinate each ot...

  10. Adaptive coordination in surgical teams: an interview study

    OpenAIRE

    Bogdanovic, Jasmina; Perry, Juliana; Guggenheim, Merlin; Manser, Tanja

    2015-01-01

    Background Effective teamwork has been recognised as a major contributor to safe patient care in surgery. Previous research has highlighted the importance of adaptive coordination for effective performance in acute care settings. Expanding this line of research this study explores the coordination behaviours and adaptive coordination strategies employed by surgical teams and identifies relevant situational characteristics influencing those coordination processes. Method We conducted a qualita...

  11. Iteration Complexity Analysis of Block Coordinate Descent Methods

    OpenAIRE

    Hong, Mingyi; Wang, Xiangfeng; Razaviyayn, Meisam; Luo, Zhi-Quan

    2013-01-01

    In this paper, we provide a unified iteration complexity analysis for a family of general block coordinate descent (BCD) methods, covering popular methods such as the block coordinate gradient descent (BCGD) and the block coordinate proximal gradient (BCPG), under various different coordinate update rules. We unify these algorithms under the so-called Block Successive Upper-bound Minimization (BSUM) framework, and show that for a broad class of multi-block nonsmooth convex problems, all algor...

  12. Coordination in Tree Adjoining Grammars: Formalization and Implementation

    OpenAIRE

    Sarkar, Anoop; Joshi, Aravind

    1996-01-01

    In this paper we show that an account for coordination can be constructed using the derivation structures in a lexicalized Tree Adjoining Grammar (LTAG). We present a notion of derivation in LTAGs that preserves the notion of fixed constituency in the LTAG lexicon while providing the flexibility needed for coordination phenomena. We also discuss the construction of a practical parser for LTAGs that can handle coordination including cases of non-constituent coordination.

  13. New Coordinates for the Evaporating Vaidya Black Hole

    Institute of Scientific and Technical Information of China (English)

    ZHANG Jing-Yi; ZHAO Zheng

    2006-01-01

    @@ Drawbacks of the ingoing Eddington-Finkelstein coordinates in describing the quantum thermal properties of the evaporating Vaidya black hole are presented. A new coordinate system we proposed previously [Acta Phys.Sin. 46 (1997) 1273] is employed. In this new coordinate system, the thermal radiation temperature of the Vaidya black hole is discussed again with the back reaction method.

  14. Coordination compounds of transition metal chlorides with tetrazoles

    International Nuclear Information System (INIS)

    Coordination compounds (CC) of Co(2), Ni(2), Cu(2), Cd(2) chlorides with tetrazole and Ni(2) and Cd(2) chloride CC with tetrazolylhydrazone benzaldehyde are synthesized. The compounds are characterized by electron- and IR-spectroscopy, magnetic measurements (78-300 K), radiography. Conclusions are made on polynuclear structure of coordination compounds and Msup((2)) octahedron coordination

  15. 78 FR 32699 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2013-05-31

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... Secretary, Shipping Coordinating Committee, Department of State. BILLING CODE 4710-09-P...

  16. 75 FR 75532 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-12-03

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an.../imo . Dated: November 24, 2010. Jon Trent Warner, Executive Secretary, Shipping Coordinating...

  17. 77 FR 22057 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-04-12

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... Secretary, Shipping Coordinating Committee, Department of State. BILLING CODE 4710-09-P...

  18. 78 FR 17466 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2013-03-21

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., Executive Secretary, Shipping Coordinating Committee, Department of State. BILLING CODE 4710-09-P...

  19. 78 FR 48217 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2013-08-07

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., Executive Secretary, Shipping Coordinating Committee, Department of State. BILLING CODE 4710-09-P...

  20. 75 FR 27856 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2010-05-18

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an... Warner, Executive Secretary, Shipping Coordinating Committee, Department of State. BILLING CODE 4710-09-P...

  1. 77 FR 52106 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2012-08-28

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an..., Executive Secretary, Shipping Coordinating Committee, Department of State. BILLING CODE 4710-09-P...

  2. 76 FR 36613 - Shipping Coordinating Committee; Notice of Committee Meeting

    Science.gov (United States)

    2011-06-22

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF STATE Shipping Coordinating Committee; Notice of Committee Meeting The Shipping Coordinating Committee (SHC) will conduct an.../imo . Dated: June 14, 2011. Greg O'Brien, Shipping Coordinating Committee, Department of...

  3. How to achieve care coordination inside health care organizations

    DEFF Research Database (Denmark)

    Prætorius, Thim; C. Becker, Markus

    2015-01-01

    organization theory, where coordination is a central research topic. The article focuses on intra-organizational coordination, which is challenging especially across boundaries such as departments or professions. It provides an overview of the classic coordination mechanisms, e.g., standardization of work...

  4. 78 FR 37781 - Forest Resource Coordinating Committee; Meeting

    Science.gov (United States)

    2013-06-24

    ... Forest Service Forest Resource Coordinating Committee; Meeting AGENCY: Forest Service, USDA. ACTION... FURTHER INFORMATION CONTACT: Maya Solomon, Forest Resource Coordinating Committee Program Coordinator, 202... of June 6, 2013, in FR Doc. 2013-13453, on page 34035, in the first column, correct the...

  5. 7 CFR 227.35 - Responsibilities of State coordinator.

    Science.gov (United States)

    2010-01-01

    ..., DEPARTMENT OF AGRICULTURE CHILD NUTRITION PROGRAMS NUTRITION EDUCATION AND TRAINING PROGRAM State Coordinator... implementation of the State Plan, (f) Coordination of the Program with the Child Nutrition Programs at the State and local levels, (g) Coordination of the Program with other nutrition education and......

  6. 22 CFR 94.8 - Interagency coordinating group.

    Science.gov (United States)

    2010-04-01

    ... 22 Foreign Relations 1 2010-04-01 2010-04-01 false Interagency coordinating group. 94.8 Section 94... § 94.8 Interagency coordinating group. The U.S. Central Authority shall nominate federal employees and may, from time to time, nominate private citizens to serve on an interagency coordinating group...

  7. Valuing the Leadership Role of University Unit Coordinators

    Science.gov (United States)

    Pepper, Coral; Roberts, Susan

    2016-01-01

    In this paper we describe the experiences of 64 unit coordinators across 15 Australian universities, gathered during 2011/2012 as part of an Office for Learning and Teaching (OLT) project. Our intention was to gain insight into how unit coordinators (academics who coordinate a discrete unit of study) perceive their role as leaders of learning in…

  8. Studying the cosmological apparent horizon with quasistatic coordinates

    Indian Academy of Sciences (India)

    Rui-Yan Yu; Towe Wang

    2013-02-01

    This article aims at a natural generalization of the static coordinates to the ( + 1)-dimensional Friedmann–Lemaître–Robertson–Walker (FLRW) Universe. After demonstrating a no-go theorem, we put forward the quasistatic coordinates for the FLRW Universe. Then, the quasistatic coordinates are utilized to study the unified first law and the scalar-type perturbations on the cosmological apparent horizon.

  9. Motivation Driven Multiagent Systems Coordination in Health Care

    OpenAIRE

    Zhang, Peng; Bai, Guohua

    2005-01-01

    This paper explores MultiAgent Systems coordination from a socio-psychological point of view. Activity Theory is introduced to explain the coordination among intelligent agents. The hierarchy and motivation thinking from Activity Theory is used to define the motivation driven MultiAgent Systems coordination mechanism. Finally, we apply this mechanism into a health care scenario.

  10. The handhold GPS in the coordinate conversion in of application

    International Nuclear Information System (INIS)

    The Handhold GPS whether in geological mapping, or in drilling layout, which has showed the simple and practical side, and it is convenient and quick in the coordinate conversion. This article introduced in the condition of the higher accuracy coordinate conversion parameters, with the superiority of using handhold GPS for the Gauss projection coordinate conversion. (author)

  11. Attentional Loads Associated with Interlimb Interactions Underlying Rhythmic Bimanual Coordination

    Science.gov (United States)

    Ridderikhoff, Arne; Peper, C. E.; Beek, Peter J.

    2008-01-01

    Studies of rhythmic bimanual coordination under dual-task conditions revealed (1) a dependence of secondary task performance on the stability of coordinative tasks, in that secondary task performance was better during in-phase than antiphase coordination, and (2) a shift in the mean relative phasing between the limbs compared to single-task…

  12. Anchoring in a novel bimanual coordination pattern.

    Science.gov (United States)

    Maslovat, Dana; Lam, Melanie Y; Brunke, Kirstin M; Chua, Romeo; Franks, Ian M

    2009-02-01

    Anchoring in cyclical movements has been defined as regions of reduced spatial or temporal variability [Beek, P. J. (1989). Juggling dynamics. PhD thesis. Amsterdam: Free University Press] that are typically found at movement reversal points. For in-phase and anti-phase movements, synchronizing reversal points with a metronome pulse has resulted in decreased anchor point variability and increased pattern stability [Byblow, W. D., Carson, R. G., & Goodman, D. (1994). Expressions of asymmetries and anchoring in bimanual coordination. Human Movement Science, 13, 3-28; Fink, P. W., Foo, P., Jirsa, V. K., & Kelso, J. A. S. (2000). Local and global stabilization of coordination by sensory information. Experimental Brain Research, 134, 9-20]. The present experiment examined anchoring during acquisition, retention, and transfer of a 90 degrees phase-offset continuous bimanual coordination pattern (whereby the right limb lags the left limb by one quarter cycle), involving horizontal flexion about the elbow. Three metronome synchronization strategies were imposed: participants either synchronized maximal flexion of the right arm (i.e., single metronome), both flexion and extension of the right arm (i.e., double metronome within-limb), or flexion of each arm (i.e., double metronome between-limb) to an auditory metronome. In contrast to simpler in-phase and anti-phase movements, synchronization of additional reversal points to the metronome did not reduce reversal point variability or increase pattern stability. Furthermore, practicing under different metronome synchronization strategies did not appear to have a significant effect on the rate of acquisition of the pattern. PMID:18842313

  13. Coordination of innovation, energy and environmental policy

    International Nuclear Information System (INIS)

    The present study is dedicated to an investigation of the interplay of innovation, energy and environmental policy and the policy instruments used in each of these fields. A substantial amount of coordination is required in order to bring about the envisaged transformation of Germany's energy supply system and the political goals associated with this, especially given the altered political environment and framework conditions. Failure to act on this need could lead to political goals being missed or frustrated, unnecessary costs or other undesirable side-effects such as unfavourable distribution effects.

  14. Wigner distribution quantum function in spherical coordinates

    International Nuclear Information System (INIS)

    Possibility of using Moyal's general method of introducing Wigner's quantum distribution functions (QDF) for a concrete system of spherical dynamical variables is analysed. It turns out that Wigner's QDF in spherical coordinates found by this method determines the state of the system only in the cases of systems with the spherical and/or cylindrical symmetry. The changes in the Moyal's formulas for the basic operators are pointed out which are necessary for obtaining the distribution function in the phase space describing the state of arbitrary system of particles

  15. The committee of scientific expertise coordination

    International Nuclear Information System (INIS)

    Placed under the MIES control, the Committee of scientific expertise coordination defines the needs, the contain and the planing of expertises realized in function of Climate national and international decisions and negotiations calendars. The Committee verifies the different expertises and offers the administrations, scientific tools and techniques useful for the negotiations. It can also define long-dated research needs which require the scientific community mobilization. This paper provides some document of the Committee: objectives, operating and priorities of the Committee, scenarios ''Factor 4'' and ''crack technology'', perceptions and practices, developing countries (China, India...), Euromed. (A.L.B.)

  16. Traceability and uncertainty estimation in coordinate metrology

    DEFF Research Database (Denmark)

    Hansen, Hans Nørgaard; Savio, Enrico; De Chiffre, Leonardo

    2001-01-01

    are insufficient to determine the task specific uncertainty of most measurements. Therefore, performance verification methods defined in current standards do not guarantee traceability of measurements performed with a CMM for all measurement tasks, and procedures for the assessment of task-related uncertainties...... are required. Depending on the requirements for uncertainty level, different approaches may be adopted to achieve traceability. Especially in the case of complex measurement situations and workpieces the procedures are not trivial. This paper discusses the establishment of traceability in coordinate metrology...

  17. A new sieve for distinct coordinate counting

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    We present a new sieve for the distinct coordinate counting problem.This significantly improves the classical inclusion-exclusion sieve for this problem,in the sense that the number of terms is reduced from 2(k 2) to k!,and reduced further to p(k) in the symmetric case,where p(k) denotes the number of partitions of k.As an illustration of applications,we give an in-depth study of a basic example arising from coding theory and graph theory.

  18. Chemical activation of molecules during coordination

    International Nuclear Information System (INIS)

    Activation processes of N2, O2, NO molecules in transition metal complexes and electron reconstructions of coordination sphere of compounds, related with it, were considered on tha basis of single-parameter approximation of vibronic activation theory. A special attention is paid to CO molecule activation in carbonyl complexes of transition metals (V, Nb, Mo, W, Tc, Re, Ru and others) and lanthanides. The effect of metal oxidation degree, the nature of metal and ligand, complex structure on chemical activation processes is analyzed

  19. Coordinate time dependence in Quantum Gravity

    CERN Document Server

    Bojowald, M; Skirzewski, A; Bojowald, Martin; Singh, Parampreet; Skirzewski, Aureliano

    2004-01-01

    The intuitive classical space-time picture breaks down in quantum gravity, which makes a comparison and the development of semiclassical techniques quite complicated. Using ingredients of the group averaging method to solve constraints one can nevertheless introduce a classical coordinate time into the quantum theory, and use it to investigate the way a semiclassical continuous description emerges from discrete quantum evolution. Applying this technique to test effective classical equations of loop cosmology and their implications for inflation and bounces, we show that the effective semiclassical theory is in good agreement with the quantum description even at short scales.

  20. Relational Coordination in Danish General Practice

    DEFF Research Database (Denmark)

    Lundstrøm, Sanne Lykke

    This PhD dissertation is a product of my PhD project carried out in collaboration between DTU Management Engineering, The Technical University of Denmark, Research Unit for General Practice at University of Southern Denmark, and Research Unit for General Practice at University of Copenhagen. The ...... the psychosocial work environment in organisations, and is seen as a powerful resources for improving organisational performance. Relational coordination and organisational social capital may oer new insight and opportunities for general practice to learn. General practice provides cost...

  1. Bayesian state estimation using generalized coordinates

    Science.gov (United States)

    Balaji, Bhashyam; Friston, Karl

    2011-06-01

    This paper reviews a simple solution to the continuous-discrete Bayesian nonlinear state estimation problem that has been proposed recently. The key ideas are analytic noise processes, variational Bayes, and the formulation of the problem in terms of generalized coordinates of motion. Some of the algorithms, specifically dynamic expectation maximization and variational filtering, have been shown to outperform existing approaches like extended Kalman filtering and particle filtering. A pedagogical review of the theoretical formulation is presented, with an emphasis on concepts that are not as widely known in the filtering literature. We illustrate the appliction of these concepts using a numerical example.

  2. Certified standards and vertical coordination in aquaculture

    DEFF Research Database (Denmark)

    Trifkovic, Neda

    2014-01-01

    application of standards and contract farming, processing companies prefer to vertically integrate primary production largely due to concerns over the stable supply of pangasius with satisfactory quality and safety attributes. These tendencies increase the market dominance of industrial farming and worsen the......This paper explores the interaction between food standards and vertical coordination in the Vietnamese pangasius sector. For farmers and processors alike, the adoption of standards is motivated by a desire to improve market access by ensuring high quality supply. Instead of encouraging the...... position of small household farms....

  3. Crew coordination concepts: Continental Airlines CRM training

    Science.gov (United States)

    Christian, Darryl; Morgan, Alice

    1987-01-01

    The outline of the crew coordination concepts at Continental airlines is: (1) Present relevant theory: Contained in a pre-work package and in lecture/discussion form during the work course, (2) Discuss case examples: Contained in the pre-work for study and use during the course; and (3) Simulate practice problems: Introduced during the course as the beginning of an ongoing process. These concepts which are designed to address the problem pilots have in understanding the interaction between situations and their own theories of practice are briefly discussed.

  4. Lorentz gauge quantization in synchronous coordinates

    CERN Document Server

    Garner, Christopher

    2016-01-01

    It has been shown that the Gupta-Bleuler method of quantization can be used to impose the Lorentz gauge condition in static space-times but not in cosmological space-times. This implies that the Gupta-Bleuler approach fails in general in non-static space-times. More recently, however, the Dirac method of quantizing constrained dynamical systems has been successfully employed to impose the Lorentz gauge in conformally flat space-times. In this paper we generalize this result by using Dirac's method to impose the Lorentz gauge in a general space-time region where the metric is expressed in synchronous coordinates.

  5. Benefit quantification of interoperability in coordinate metrology

    DEFF Research Database (Denmark)

    Savio, E.; Carmignato, S.; De Chiffre, Leonardo

    2014-01-01

    inefficiencies. The paper presents a methodology for an economic evaluation of interoperability benefits with respect to the verification of geometrical product specifications. It requires input data from testing and inspection activities, as well as information on training of personnel and licensing of software......One of the factors contributing to limited reproducibility of coordinate measurements is the use of different inspection software. Time-consuming efforts for translation of part programmes are sometimes needed, and interoperability of inspection equipment has the potential to reduce these....... The model is illustrated using an automotive case study and the related assessment of an investment in interoperability. © 2014 CIRP....

  6. Developmental dyspraxia and developmental coordination disorder.

    Science.gov (United States)

    Miyahara, M; Möbs, I

    1995-12-01

    This article discusses the role developmental dyspraxia plays in developmental coordination disorder (DCD), based upon a review of literature on apraxia, developmental dyspraxia, and DCD. Apraxia and dyspraxia have often been equated with DCD. However, it is argued that apraxia and dyspraxia primarily refer to the problems of motor sequencing and selection, which not all children with DCD exhibit. The author proposes to distinguish developmental dyspraxia from DCD. Other issues discussed include the assessment, etiology, and treatment of developmental dyspraxia and DCD, and the relationship between DCD and learning disabilities. A research agenda is offered regarding future directions to overcome current limitation. PMID:8866511

  7. Gravity inversion in spherical coordinates using tesseroids

    Science.gov (United States)

    Uieda, Leonardo; Barbosa, Valeria C. F.

    2014-05-01

    Satellite observations of the gravity field have provided geophysicists with exceptionally dense and uniform coverage of data over vast areas. This enables regional or global scale high resolution geophysical investigations. Techniques like forward modeling and inversion of gravity anomalies are routinely used to investigate large geologic structures, such as large igneous provinces, suture zones, intracratonic basins, and the Moho. Accurately modeling such large structures requires taking the sphericity of the Earth into account. A reasonable approximation is to assume a spherical Earth and use spherical coordinates. In recent years, efforts have been made to advance forward modeling in spherical coordinates using tesseroids, particularly with respect to speed and accuracy. Conversely, traditional space domain inverse modeling methods have not yet been adapted to use spherical coordinates and tesseroids. In the literature there are a range of inversion methods that have been developed for Cartesian coordinates and right rectangular prisms. These include methods for estimating the relief of an interface, like the Moho or the basement of a sedimentary basin. Another category includes methods to estimate the density distribution in a medium. The latter apply many algorithms to solve the inverse problem, ranging from analytic solutions to random search methods as well as systematic search methods. We present an adaptation for tesseroids of the systematic search method of "planting anomalous densities". This method can be used to estimate the geometry of geologic structures. As prior information, it requires knowledge of the approximate densities and positions of the structures. The main advantage of this method is its computational efficiency, requiring little computer memory and processing time. We demonstrate the shortcomings and capabilities of this approach using applications to synthetic and field data. Performing the inversion of gravity and gravity gradient

  8. A bridge between decentralized and coordination control

    Czech Academy of Sciences Publication Activity Database

    Komenda, Jan; Masopust, Tomáš

    Piscataway : IEEE, 2013 - (Basar, T.; Milenkovic, O.), s. 966-972 ISBN 978-1-4799-3409-6. [Annual Allerton Conference on Communication, Control, and Computing. Monticello (US), 02.10.2013-03.10.2013] R&D Projects: GA ČR(CZ) GAP103/11/0517; GA ČR(CZ) GPP202/11/P028; GA MŠk LH13012 Institutional support: RVO:67985840 Keywords : decentralized control * coordination control Subject RIV: BA - General Mathematics http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6736630

  9. The generator coordinate method in nuclear physics

    International Nuclear Information System (INIS)

    The generator coordinate method is introduced as a physical description of a N-body system in a subspace of a reduced number of degrees of freeedom. Special attention is placed on the identification of these special, 'collective' degrees of freedom. It is shown in particular that the method has close links with the Born-Oppenheimer approximation and also that considerations of differential geometry are useful in the theory. A set of applications is discussed and in particular the case of nuclear collisions is considered

  10. A BARGAINING APPROACH TO COORDINATION IN NETWORKS

    OpenAIRE

    Miguel A. Meléndez-Jiménez

    2007-01-01

    This paper presents a model in which players interact via the formation of costly links and the benefits of bilateral interactions are determined by a coordination game. A novel contribution of this paper is that the fraction of the cost borne by each player involved in a bilateral link is not fixed exogenously, but results from bargaining. We analyze the model both in a static and a dynamic setting. Whereas the static game has multiplicity of equilibria, we show that only one is stochastical...

  11. Multilevel Coordination Control of Modular DES

    Czech Academy of Sciences Publication Activity Database

    Komenda, Jan; Masopust, Tomáš; van Schuppen, J. H.

    Piscataway: IEEE, 2013 - (Parisini, T.; Tempo, R.), s. 6323-6328 ISBN 978-1-4673-5716-6. [IEEE Conference on Decision and Control /52./. Florence (IT), 10.12.2013-13.12.2013] R&D Projects: GA ČR(CZ) GPP202/11/P028; GA ČR(CZ) GAP103/11/0517; GA MŠk LH13012 Institutional support: RVO:67985840 Keywords : coordination control * supervisory control * multilevel hierarchy Subject RIV: BA - General Mathematics http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6760889

  12. Coordination and Multi-Tasking Using EMT

    OpenAIRE

    Rabinovich, Zinovi; Pochter, Nir; Rosenschein, Jeffrey S.

    2008-01-01

    We introduce a multi-model variant of the EMT-based control algorithm. The new algorithm, MM-EMT, is capable of balancing several control tasks expressed using separate dynamic models with a common action space. Such multiple models are common in both single-agent environments, when the agent has multiple tasks to achieve, and in team activities, when agent actions affect both the local agent’s task as well as the overall team’s coordination. To demonstrate the behaviour that MM-EMT engenders...

  13. A bridge between decentralized and coordination control

    Czech Academy of Sciences Publication Activity Database

    Komenda, Jan; Masopust, Tomáš

    Piscataway : IEEE, 2013 - (Basar, T.; Milenkovic, O.), s. 966-972 ISBN 978-1-4799-3409-6. [Annual Allerton Conference on Communication , Control, and Computing. Monticello (US), 02.10.2013-03.10.2013] R&D Projects: GA ČR(CZ) GAP103/11/0517; GA ČR(CZ) GPP202/11/P028; GA MŠk LH13012 Institutional support: RVO:67985840 Keywords : decentralized control * coordination control Subject RIV: BA - General Mathematics http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6736630

  14. [A theoretical analysis of coordination in the field of health care: application to coordinated care systems].

    Science.gov (United States)

    Sebai, Jihane

    2016-01-01

    Various organizational, functional or structural issues have led to a review of the foundations of the former health care system based on a traditional market segmentation between general practice and hospital medicine, and between health and social sectors and marked by competition between private and public sectors. The current reconfiguration of the health care system has resulted in “new” levers explained by the development of a new organizational reconfiguration of the primary health care model. Coordinated care structures (SSC) have been developed in this context by making coordination the cornerstone of relations between professionals to ensure global, continuous and quality health care. This article highlights the contributions of various theoretical approaches to the understanding of the concept of coordination in the analysis of the current specificity of health care. PMID:27392057

  15. Spatially coordinated replication and minimization of expression noise constrain three-dimensional organization of yeast genome.

    Science.gov (United States)

    Singh, Arashdeep; Bagadia, Meenakshi; Sandhu, Kuljeet Singh

    2016-04-01

    Despite recent advances, the underlying functional constraints that shape the three-dimensional organization of eukaryotic genome are not entirely clear. Through comprehensive multivariate analyses of genome-wide datasets, we show thatcisandtransinteractions in yeast genome have significantly distinct functional associations. In particular, (i) thetransinteractions are constrained by coordinated replication and co-varying mutation rates of early replicating domains through interactions among early origins, whilecisinteractions are constrained by coordination of late replication through interactions among late origins; (ii)cisandtransinteractions exhibit differential preference for nucleosome occupancy; (iii)cisinteractions are also constrained by the essentiality and co-fitness of interacting genes. Essential gene clusters associate with high average interaction frequency, relatively short-range interactions of low variance, and exhibit less fluctuations in chromatin conformation, marking a physically restrained state of engaged loci that, we suggest, is important to mitigate the epigenetic errors by restricting the spatial mobility of loci. Indeed, the genes with lower expression noise associate with relatively short-range interactions of lower variance and exhibit relatively higher average interaction frequency, a property that is conserved acrossEscherichia coli,yeast, and mESCs. Altogether, our observations highlight the coordination of replication and the minimization of expression noise, not necessarily co-expression of genes, as potent evolutionary constraints shaping the spatial organization of yeast genome. PMID:26932984

  16. Early Childhood Systems: Transforming Early Learning

    Science.gov (United States)

    Kagan, Sharon Lynn, Ed.; Kauertz, Kristie, Ed.

    2012-01-01

    In this seminal volume, leading authorities strategize about how to create early childhood systems that transcend politics and economics to serve the needs of all young children. The authors offer different interpretations of the nature of early childhood systems, discuss the elements necessary to support their development, and examine how…

  17. [The role of the motor cortex in rearrangement of the innate movement coordination in the dog].

    Science.gov (United States)

    Pavlova, O G; Mats, V N; Ponomarev, V N

    2007-01-01

    In chronical experiments in dogs the pattern of shoulder muscle recruitment was examined during the forelimb flexion by which the animal lifted and held a cup of food during eating. At the early stage of the instrumental reaction learning the forelimb lifting was performed with the anticipatory deviation of the head in up direction, when the head bent down to the foodwell the lifted forelimb lowered. Simultaneous holding of the flexed forelimb and lowered head providing food reinforcement was achieved only by learning. It was found that the forelimb lifting in the innate coordination in untrained dogs was performed with activation of m. deltoideus and m. teres major, whereas m. teres minor was active whilst the dog was standing but the muscle activity was abolished before the limb lifting. In the course of learning m. teres minor activity was changed into opposite one. In the learned coordination the limb lifting was accompanied by the activation of all three shoulder flexors. The lesion of the motor cortex in the area of the "working" forelimb, but not in other areas led to disturbance of the learned coordination and the novel pattern of the shoulder muscle activity. The data obtained led to the following conclusion: the rearrangement of the innate coordination is connected with the formation of the novel way of the forelimb lifting which pattern of muscle recruitment is provided by the motor cortex. PMID:17944105

  18. How to achieve care coordination inside health care organizations: Insights from organization theory on coordination in theory and in action

    DEFF Research Database (Denmark)

    Prætorius, Thim; C. Becker, Markus

    2015-01-01

    Understanding how health care organizations can achieve care coordination internally is essential because it is difficult to achieve, but essential for high quality and efficient health care delivery. This article offers an answer by providing a synthesis of knowledge about coordination from...... contribution of, e.g., routines like those guided by care pathways or of artefacts like displays. The coordination insights are also discussed as regards inter-organizational care coordination....

  19. The Role of a Burn Research Coordinator: A Guide for Novice Coordinators.

    Science.gov (United States)

    Honari, Shari; Caceres, Maria; Romo, Mariana; Gibran, Nicole S; Gamelli, Richard L

    2016-01-01

    As health-care complexity and costs increase, evidence-based research has become essential to the advancement of burn care. Multicenter trials involve procedures, regulations, and guidelines that require meticulous attention to details and strict adherence to compliance issues. Taking on a large, multicenter trial can be a daunting task for a new burn research coordinator. The purpose of this article is to provide a resource for new burn research coordinators in multicenter clinical trial planning, especially in the field of burns. The burn research coordinator must possess organizational and multitasking skills, attention to detail, professionalism, initiative, and motivation. The burn research coordinator must exercise five principles of practice: compliance, confidentiality, consistency and correctness, and collaboration. Compliance assures subject safety, study integrity, and burn center reputation. Confidentiality is essential, especially when handling sensitive health information. Maintaining subject privacy through secure links and destruction of linked data in a timely matter protects the subjects and complies with the regulations of many governing bodies. Consistency and correctness minimize human errors through continuous data validation and self-auditing and peer auditing. Collaboration between the Principal Investigator/burn research coordinator and all departments involved in the study maintains the study focus and allows for enforcement of procedures. Preparing a budget confirms adequate compensation for work done by the research team and can be broken down into the following five steps: protocol review, calculation of initial payment, establishment of indirect costs, calculation of direct costs, and budget negotiation. Over time, one becomes familiar with the details involved with study success. Advocating for subject safety and protocol adherence are of highest priority. Study design is the most important element that dictates the success of the

  20. Coordinating an Autonomous Earth-Observing Sensorweb

    Science.gov (United States)

    Sherwood, Robert; Cichy, Benjamin; Tran, Daniel; Chien, Steve; Rabideau, Gregg; Davies, Ashley; Castano, Rebecca; frye, Stuart; Mandl, Dan; Shulman, Seth; Grosvenor, Sandy

    2006-01-01

    A system of software has been developed to coordinate the operation of an autonomous Earth-observing sensorweb. Sensorwebs are collections of sensor units scattered over large regions to gather data on spatial and temporal patterns of physical, chemical, or biological phenomena in those regions. Each sensor unit is a node in a data-gathering/ data-communication network that spans a region of interest. In this case, the region is the entire Earth, and the sensorweb includes multiple terrestrial and spaceborne sensor units. In addition to acquiring data for scientific study, the sensorweb is required to give timely notice of volcanic eruptions, floods, and other hazardous natural events. In keeping with the inherently modular nature of the sensory, communication, and data-processing hardware, the software features a flexible, modular architecture that facilitates expansion of the network, customization of conditions that trigger alarms of hazardous natural events, and customization of responses to alarms. The soft8 NASA Tech Briefs, July 2006 ware facilitates access to multiple sources of data on an event of scientific interest, enables coordinated use of multiple sensors in rapid reaction to detection of an event, and facilitates the tracking of spacecraft operations, including tracking of the acquisition, processing, and downlinking of requested data.

  1. TRANSFER PRICING FOR COORDINATION AND PROFIT ALLOCATION

    Directory of Open Access Journals (Sweden)

    Jan Thomas Martini

    2011-09-01

    Full Text Available This paper examines coordination and profit allocation in a profit-center organization using a single transfer price. The model includes compensations, taxes, and minority interests of two divisions deciding on capacity and sales. The analysis covers arm’s length transfer prices which are either administered by central management or negotiated by the divisions. Administered transfer prices refer to past transactions and therefore maximize firm-wide profit net of divisional compensations, taxes, and minority profit shares only for given decentralized decisions. From an ex-ante perspective, it is shown that adverse effects on coordination may result in inefficient divisional profits of which all stakeholders suffer. We motivate a positive effect of advance pricing agreements, intra-firm guidelines, and restrictive treatments of changes in the firm’s accounting policy. By contrast, negotiations ignore compensations, taxes, and minority shares but yield efficient divisional profits. Negotiations seem compelling as they perfectly reflect the arm’s length principle. Moreover, common practices such as arbitration or one-step pricing schemes allow the firm to engage in manipulation at the expense of other stakeholders.

  2. (Coordinated research on fuel cycle cost)

    Energy Technology Data Exchange (ETDEWEB)

    Cantor, R.A.; Shelton, R.B.; Krupnick, A.J.

    1990-11-05

    The Department of Energy (DOE) and the Commission of the European Communities (CEC) have been exploring the possibility of parallel studies on the externals costs of employing fuel cycles to deliver energy services. These studies are of particular importance following the activities of the US National Energy Strategy (NES), where the potential discrepancies between market prices and the social costs of energy services were raised as significant policy concerns. To respond to these concerns, Oak Ridge National Laboratory (ORNL) and Resources for the Future (RFF) have begun a collaborative effort for the DOE to investigate the external costs, or externalities, generated by cradle to grave fuel cycle activities. Upon initiating this project, the CEC expressed an interest to the DOE that Europe should conduct a parallel study and that the two studies should be highly coordinated for consistency in the results. This series of meetings with members of the CEC was undertaken to resolve some issues implied by pursuing parallel, coordinated studies; issues that were previously defined by the August meetings. In addition, it was an opportunity for some members of the US research team and the DOE sponsor to meet with their European counterparts for the study, as well as persons in charge of research areas that ultimately would play a key role in the European study.

  3. The covariance of GPS coordinates and frames

    International Nuclear Information System (INIS)

    We explore, in the general relativistic context, the properties of the recently introduced global positioning system (GPS) coordinates, as well as those of the associated frames and coframes that they define. We show that they are covariant and completely independent of any observer. We show that standard spectroscopic and astrometric observations allow any observer to measure (i) the values of the GPS coordinates at his position (ii) the components of his 4-velocity and (iii) the components of the metric in the GPS frame. This provides this system with a unique value both for conceptual discussion (no frame dependence) and for practical use (involved quantities are directly measurable): localization, motion monitoring, astrometry, cosmography and tests of gravitation theories. We show explicitly, in the general relativistic context, how an observer may estimate his position and motion, and reconstruct the components of the metric. This arises from two main results: the extension of the velocity fields of the probes to the whole (curved) spacetime, and the identification of the components of the observer's velocity in the GPS frame with the (inversed) observed redshifts of the probes. Specific cases (non-relativistic velocities, Minkowski and Friedmann-Lemaitre spacetimes, geodesic motions) are studied in detail

  4. Color pattern recognition with CIELAB coordinates

    Science.gov (United States)

    Corbalan-Fuertes, Montserrat; Millan Garcia-Verela, Maria S.; Yzuel, Maria J.

    2002-01-01

    A color pattern recognition system must identify a target by its shape and color distribution. In real situations, however, the color information is affected by changes of the light source (e.g., from indoor illumination to outdoor daylight), often making recognition impossible. In this work, we propose a color pattern recognition technique with tolerance for illumination changes within the common sources of white light. This can be accomplished using the coordinates of the CIELAB system, luminance (L*), chroma (C*), and hue (h*) instead of the conventional RGB system. The proposal has some additional advantages: there is no need to store a matched filters base to analyze scenes captured under different light sources (one set of filters for each illuminant light source) and therefore the recognition process can be simplified; and in most cases, the contribution of only two channels (C* and h*) is enough to avoid false alarms in color pattern recognition. From the results, we show that the recognition system is improved when CIELAB coordinates are used.

  5. Coordinated Science Campaign Scheduling for Sensor Webs

    Science.gov (United States)

    Edgington, Will; Morris, Robert; Dungan, Jennifer; Williams, Jenny; Carlson, Jean; Fleming, Damian; Wood, Terri; Yorke-Smith, Neil

    2005-01-01

    Future Earth observing missions will study different aspects and interacting pieces of the Earth's eco-system. Scientists are designing increasingly complex, interdisciplinary campaigns to exploit the diverse capabilities of multiple Earth sensing assets. In addition, spacecraft platforms are being configured into clusters, trains, or other distributed organizations in order to improve either the quality or the coverage of observations. These simultaneous advances in the design of science campaigns and in the missions that will provide the sensing resources to support them offer new challenges in the coordination of data and operations that are not addressed by current practice. For example, the scheduling of scientific observations for satellites in low Earth orbit is currently conducted independently by each mission operations center. An absence of an information infrastructure to enable the scheduling of coordinated observations involving multiple sensors makes it difficult to execute campaigns involving multiple assets. This paper proposes a software architecture and describes a prototype system called DESOPS (Distributed Earth Science Observation Planning and Scheduling) that will address this deficiency.

  6. Coordination of health care in the Nordic countries

    Directory of Open Access Journals (Sweden)

    Tor Iversen

    2016-04-01

    Full Text Available Coordination of health care exists at many different levels and in many different forms. We describe the similarities and differences in coordination mechanisms among the Nordic countries. In some respects, the Nordic countries approach coordination problems in similar ways although differences exist. The overall pattern shows that Finland and Sweden have less country-wide coordination compared with the other countries. There are many questions and few answers with regard to which mechanisms work best. Hence, coordination mechanisms in health care seem to be an important area for further research. We outline a few topics for future joint Nordic research in this area.

  7. Coordination of health care in the Nordic countries

    DEFF Research Database (Denmark)

    Iversen, Tor; Anell, Anders; Häkkinen, Unto;

    2016-01-01

    Coordination of health care exists at many different levels and in many different forms. We describe the similarities and differences in coordination mechanisms among the Nordic countries. In some respects, the Nordic countries approach coordination problems in similar ways although differences...... exist. The overall pattern shows that Finland and Sweden have less country-wide coordination compared with the other countries. There are many questions and few answers with regard to which mechanisms work best. Hence, coordination mechanisms in health care seem to be an important area for further...... research. We outline a few topics for future joint Nordic research in this area....

  8. Overview of coordination contracts within forward and reverse supply chains

    DEFF Research Database (Denmark)

    Govindan, Kannan; Popiuc, M.N.; Diabat, A.

    2013-01-01

    Contracts are comprehensive coordination mechanisms used in both theory and practice to coordinate various supply chain structures. By focusing on the coordination by contracts of the forward and reverse supply chains, the intention of this paper is to (1) present an overview of contracting...... detail used in designing the coordination models. The paper gives a complete overview of the literature that addresses coordination by contracts, structures and classifies the existing work, and draws a parallel between the research conducted on the forward supply chain and the research on the reverse...... supply chain. © 2013 Elsevier Ltd. All rights reserved....

  9. Some studies on generalized coordinate sets for polyatomic molecules

    Science.gov (United States)

    Li, Wenjin; Ma, Ao

    2015-12-01

    Generalized coordinates are widely used in various analyses of the trajectories of polyatomic molecules from molecular dynamics simulations, such as normal mode analysis and force distribution analysis. Here, we presented detailed discussions on the properties of some specific sets of generalized coordinates, which separate translational, rotational, and vibrational motions of a molecule from one another once the trajectories of dynamical systems are known. Efficient methods were suggested for estimating the transformation matrix between generalized and Cartesian coordinates. Some properties of the well-known BAT coordinates (bond length, angle, and torsional coordinates) were discussed as well.

  10. Retina-like sensor image coordinates transformation and display

    Science.gov (United States)

    Cao, Fengmei; Cao, Nan; Bai, Tingzhu; Song, Shengyu

    2015-03-01

    For a new kind of retina-like senor camera, the image acquisition, coordinates transformation and interpolation need to be realized. Both of the coordinates transformation and interpolation are computed in polar coordinate due to the sensor's particular pixels distribution. The image interpolation is based on sub-pixel interpolation and its relative weights are got in polar coordinates. The hardware platform is composed of retina-like senor camera, image grabber and PC. Combined the MIL and OpenCV library, the software program is composed in VC++ on VS 2010. Experience results show that the system can realizes the real-time image acquisition, coordinate transformation and interpolation.

  11. Dynamical Structure of the Fields in the Light Cone Coordinates

    CERN Document Server

    Kargar, Kianoosh

    2016-01-01

    It is well-known that additional constraints emerge in light cone coordinates. We enumerate the number of physical modes in light cone coordinates and compare it with conventional coordinates. We show that the number of Schrodinger modes is divided by two in light cone coordinates. We study the effect of this reduction in the number ladder operators acting on physical states of a system. We analyse the scaler, spinor and vector field theories carefully to see the effect of changes in the dynamical structure of these theories from the view point of the reduction of Schrodinger modes in light-cone coordinates.

  12. Global warming and public health: An appeal for coordinated and early action

    Energy Technology Data Exchange (ETDEWEB)

    Hussain, S.T.; Hayes, R.L. (Howard Univ., Washington, DC (United States). Dept. of Anatomy)

    1993-12-01

    Since global warming and ozone deletion would occur over a long period of time, their adverse effects on public health may not be reversible. Therefore, more research is needed now to understand the complex and interacting issues of climate change and human health. Policy makers need to recognize the seriousness of the problem and, thus, the importance of increasing the level of funding for research and public education concerning health effects of climate change. Today, however, human influences are exerting major impacts on the environment and these influences are rebounding negatively upon them. Future climate change, including global warming, is real and unavoidable. Unfortunately, man has no assurances of the rate, the degree, the direction or the site of any specific change in climate. However, man may infer from past experiences with unexpected and acute episodes of local or regional warming that public health emergencies are likely to arise. Climate changes, in part, are driven by human influence and it will take several decades before their impacts on human health can be appreciated fully. Global climate change is likely to alter radically the distribution as well as the incidence of human illness. Exactly how and where these illnesses may appear is unpredictable. However, anticipating and preparing for the eventuality of these health threats would be both wise and prudent behavior.

  13. The Coordination of Independently-Owned Vacuum Tube Patents in the Alleged Early Radio Patent Thicket

    DEFF Research Database (Denmark)

    Howells, John; Ron D, Katznelson

    -examines the legal trajectories and entrepreneurial exploitation of these patents with a focus on vacuum tube technology where Fleming’s diode patent ‘overlapped’ with earlier prior art and, dependent on court decisions, with later commercial implementations of De Forest’s triode patents. We show, by means of...

  14. The Coordination of Independently-Owned Vacuum Tube Patents in the Alleged Early Radio Patent Thicket

    DEFF Research Database (Denmark)

    Howells, John; Ron D, Katznelson

    It has been proposed that when multiple, independently-owned and ‘over-lapping’ patents must be licensed for legal technology development the difficulty of negotiating cross-licenses may lead entrepreneurs to hold-up or deter that development. Our literature review finds these features allegedly......-examines the legal trajectories and entrepreneurial exploitation of these patents with a focus on vacuum tube technology where Fleming’s diode patent ‘overlapped’ with earlier prior art and, dependent on court decisions, with later commercial implementations of De Forest’s triode patents. We show, by means of...

  15. Organ-coordinated response of early post-germination mahogany seedlings to drought.

    Science.gov (United States)

    Horta, Lívia P; Braga, Márcia R; Lemos-Filho, José P; Modolo, Luzia V

    2014-04-01

    Water deficit tolerance during post-germination stages is critical for seedling recruitment. In this work, we studied the effect of water deficit on morphological and biochemical responses in different organs of newly germinated mahogany (Swietenia macrophylla King) seedlings, a woody species that occurs in the Amazon rainforest. The root : shoot ratio increased under water deficit. The leaf number and water potential were not altered, although reductions in leaf area and stomatal conductance were observed. Osmotic potential became more negative in leaves of seedlings under severe stress. Water deficit increased fructose, glucose, sucrose and myo-inositol levels in leaves. Stems accumulated fructose, glucose and l-proline. Nitric oxide (NO) levels increased in the vascular cylinder of roots under severe stress while superoxide anion levels decreased due to augmented superoxide dismutase activity in this organ. Water deficit induced glutathione reductase activity in both roots and stems. Upon moderate or severe stress, catalase activity decreased in leaves and remained unaffected in the other seedling organs, allowing for an increase of hydrogen peroxide (H2O2) levels in leaves. Overall, the increase of signaling molecules in distinct organs-NO in roots, l-proline in stems and H2O2 and myo-inositol in leaves-contributed to the response of mahogany seedlings to water deficit by triggering biochemical processes that resulted in the attenuation of oxidative stress and the establishment of osmotic adjustment. Therefore, this body of evidence reveals that the development of newly germinated mahogany seedlings may occur in both natural habitats and crop fields even when water availability is greatly limited. PMID:24690672

  16. Coordinating standards and applications for optical water quality sensor networks

    Science.gov (United States)

    Bergamaschi, B.; Pellerin, B.

    2011-01-01

    Joint USGS-CUAHSI Workshop: In Situ Optical Water Quality Sensor Networks; Shepherdstown, West Virginia, 8-10 June 2011; Advanced in situ optical water quality sensors and new techniques for data analysis hold enormous promise for advancing scientific understanding of aquatic systems through measurements of important biogeochemical parameters at the time scales over which they vary. High-frequency and real-time water quality data also provide the opportunity for early warning of water quality deterioration, trend detection, and science-based decision support. However, developing networks of optical sensors in freshwater systems that report reliable and comparable data across and between sites remains a challenge to the research and monitoring community. To address this, the U.S. Geological Survey (USGS) and the Consortium of Universities for the Advancement of Hydrologic Science, Inc. (CUAHSI), convened a 3-day workshop to explore ways to coordinate development of standards and applications for optical sensors, as well as handling, storage, and analysis of the continuous data they produce.

  17. Learning in Global Teams: BIM Planning and Coordination

    Directory of Open Access Journals (Sweden)

    Carrie Sturts Dossick

    2015-09-01

    Full Text Available Globally distributed student team projects allow for complex and multifaceted learning outcomes through experiential educational settings. While the students involved may be studying built environment disciplines such as architecture, engineering and construction, distributed teams are mediated by technology, separated by time zones, and differentiated by culture. In this paper, we explore such multifaceted learning in a globally distributed team project where students from seven universities on three continents participated in a 2-week global team workshop to study rapid construction for disaster response. The participating schools included the Indian Institute of Technology Madras (IIT, National Cheng Kung University (NCKU, National Taiwan University (NTU, the University of Twente (UT, the University of Washington (UW, Washington State University (WSU, and Yonsei University (YU. For the term project students collaborated and coordinated their work in a virtual world. Upon project completion, we conducted a survey with students from two of the participating universities and analyzed their reflections as reported in their final presentations. We found that the distributed nature of the teams emphasized the importance of Building Information Modeling (BIM execution planning and its joint development as well as the importance of shared project goals and early involvement of team members in the planning process.

  18. Coordinated Changes in Gene Expression Throughout Encystation of Giardia intestinalis.

    Science.gov (United States)

    Einarsson, Elin; Troell, Karin; Hoeppner, Marc P; Grabherr, Manfred; Ribacke, Ulf; Svärd, Staffan G

    2016-03-01

    Differentiation into infectious cysts through the process of encystation is crucial for transmission and survival of the intestinal protozoan parasite Giardia intestinalis. Hitherto the majority of studies have focused on the early events, leaving late encystation poorly defined. In order to further study encystation, focusing on the later events, we developed a new encystation protocol that generates a higher yield of mature cysts compared to standard methods. Transcriptome changes during the entire differentiation from trophozoites to cysts were thereafter studied using RNA sequencing (RNA-seq). A high level of periodicity was observed for up- and down-regulated genes, both at the level of the entire transcriptome and putative regulators. This suggests the trajectory of differentiation to be coordinated through developmentally linked gene regulatory activities. Our study identifies a core of 13 genes that are consistently up-regulated during initial encystation. Of these, two constitute previously uncharacterized proteins that we were able to localize to a new type of encystation-specific vesicles. Interestingly, the largest transcriptional changes were seen in the late phase of encystation with the majority of the highly up-regulated genes encoding hypothetical proteins. Several of these were epitope-tagged and localized to further characterize these previously unknown genetic components of encystation and possibly excystation. Finally, we also detected a switch of variant specific surface proteins (VSPs) in the late phase of encystation. This occurred at the same time as nuclear division and DNA replication, suggesting a potential link between the processes. PMID:27015092

  19. Global Ocean Carbon and Biogeochemistry Coordination

    Science.gov (United States)

    Telszewski, Maciej; Tanhua, Toste; Palacz, Artur

    2016-04-01

    The complexity of the marine carbon cycle and its numerous connections to carbon's atmospheric and terrestrial pathways means that a wide range of approaches have to be used in order to establish it's qualitative and quantitative role in the global climate system. Ocean carbon and biogeochemistry research, observations, and modelling are conducted at national, regional, and global levels to quantify the global ocean uptake of atmospheric CO2 and to understand controls of this process, the variability of uptake and vulnerability of carbon fluxes into the ocean. These science activities require support by a sustained, international effort that provides a central communication forum and coordination services to facilitate the compatibility and comparability of results from individual efforts and development of the ocean carbon data products that can be integrated with the terrestrial, atmospheric and human dimensions components of the global carbon cycle. The International Ocean Carbon Coordination Project (IOCCP) was created in 2005 by the IOC of UNESCO and the Scientific Committee on Oceanic Research. IOCCP provides an international, program-independent forum for global coordination of ocean carbon and biogeochemistry observations and integration with global carbon cycle science programs. The IOCCP coordinates an ever-increasing set of observations-related activities in the following domains: underway observations of biogeochemical water properties, ocean interior observations, ship-based time-series observations, large-scale ocean acidification monitoring, inorganic nutrients observations, biogeochemical instruments and autonomous sensors and data and information creation. Our contribution is through the facilitation of the development of globally acceptable strategies, methodologies, practices and standards homogenizing efforts of the research community and scientific advisory groups as well as integrating the ocean biogeochemistry observations with the

  20. A framework of manufacturer-retailer coordination process

    DEFF Research Database (Denmark)

    Wong, Chee Yew; Johansen, John

    2008-01-01

    Purpose - Triggered by perceived inefficiency and inequality, buyers and suppliers coordinate with each other. The purpose of this paper is to develop a framework of coordination process based on theoretical review and verifications from three case studies. Design/methodology/approach - The...... approach takes the form of three longitudinal and in-depth case studies, which involved coordination processes between a toy manufacturer with three European retailers in one calendar year. Findings - The three case studies provided three main observations. First, the coordination process followed some....../implications - Three qualitative case studies may not be highly generalisable and multiple dyadic coordination processes may occur. However, the findings form a foundation for further understanding of the coordination process. Originality/value - The proposed framework of the coordination process further expands the...