cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Development and validation of a data abstracting tool for the evaluation of quality of care in emergency medical services
Creators: name: Andrusiek, Douglas Lorne
Publisher: name: University of British Columbia
Year: 2009

description: INTRODUCTION: Peer review is common in Emergency Medical Services (EMS); however its reliability and validity is not well studied. We sought to determine the reliability and criterion validity of EMS appropriateness and protocol compliance evaluation performed by peer review. METHODS: Six peers retrospectively reviewed 168 patient care reports (PCRs) for severely injured trauma patients as defined by explicit criteria. Care was rated with a tool derived by a sequential derivation process. Emergency physicians (EPs) prospectively evaluated 118 of the patients with the same tool (blind to the PCR). Inter-rater reliability was determined between paramedics for all 168 PCRs. Criterion validity was determined between the EP (gold standard) and peer rating. Intrarater reliability was determined from a repeated scoring of 50 PCRs after a washout period. The sample size was defined a priori. RESULTS: The criterion validity correlation coefficient was 0.29 (95%CI: 0.06-0.53). The inter-rater reliability kappa score was 0.35 (95%CI: 0.17-0.53). The intra-rater reliability kappa score was 0.62 (95%CI: 0.37-0.86). Three of 14 questions had very good inter-rater reliability: "Was a prehospital intervention required to manage airway?"; "Was a prehospital intervention required to cervical spine?"; and "Was a prehospital intervention required to orthopedic injuries?". Two questions had strong criterion validity: "Was a prehospital intervention required to manage airway?" and "Was a prehospital intervention required to cervical spine?". All questions asking if treatments provided were appropriate or compliant with written protocols had poor inter-rater reliability and criterion validity. CONCLUSION: Intra-rater reliability of retrospective peer review is good; however both inter-rater reliability and criterion validity are frequently poor. In particular, questions rating the appropriateness or compliance of treatments have poor reliability and validity. Although more research is required to fully understand this issue, these results call into question the appropriateness of retrospective peer review of the quality of care in EMS.
Systematic identification of abundant A-to-I editing sites in the human transcriptome
Creators: name: Levanon, Erez Y.
name: Eisenberg, Eli
name: Yelin, Rodrigo
name: Nemzer, Sergey
name: Hallegger, Martina
name: Shemesh, Ronen
name: Fligelman, Zipora Y.
name: Shoshan, Avi
name: Pollock, Sarah R.
name: Sztybel, Dan
name: Olshansky, Moshe
name: Rechavi, Gideon
name: Jantsch, Michael F.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Genomics (q-bio.GN)
subject: FOS: Biological sciences

description: RNA editing by members of the double-stranded RNA-specific ADAR family leads to site-specific conversion of adenosine to inosine (A-to-I) in precursor messenger RNAs. Editing by ADARs is believed to occur in all metazoa, and is essential for mammalian development. Currently, only a limited number of human ADAR substrates are known, while indirect evidence suggests a substantial fraction of all pre-mRNAs being affected. Here we describe a computational search for ADAR editing sites in the human transcriptome, using millions of available expressed sequences. 12,723 A-to-I editing sites were mapped in 1,637 different genes, with an estimated accuracy of 95%, raising the number of known editing sites by two orders of magnitude. We experimentally validated our method by verifying the occurrence of editing in 26 novel substrates. A-to-I editing in humans primarily occurs in non-coding regions of the RNA, typically in Alu repeats. Analysis of the large set of editing sites indicates the role of editing in controlling dsRNA stability.
description: Pre-print version. See http://dx.doi.org/10.1038/nbt996 for a reprint
On Regularizability and its Application to Online Control of Unstable LTI Systems
Creators: name: Talebi, Shahriar
name: Alemzadeh, Siavash
name: Rahimi, Niyousha
name: Mesbahi, Mehran
Publisher: name: arXiv
Year: 2020
Subjects: subject: Systems and Control (eess.SY)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Learning, say through direct policy updates, often requires assumptions such as knowing a priori that the initial policy (gain) is stabilizing, or persistently exciting (PE) input-output data, is available. In this paper, we examine online regulation of (possibly unstable) partially unknown linear systems with no prior access to an initial stabilizing controller nor PE input-output data; we instead leverage the knowledge of the input matrix for online regulation. First, we introduce and characterize the notion of "regularizability" for linear systems that gauges the extent by which a system can be regulated in finite-time in contrast to its asymptotic behavior (commonly characterized by stabilizability/controllability). Next, having access only to the input matrix, we propose the Data-Guided Regulation (DGR) synthesis procedure that -- as its name suggests -- regulates the underlying state while also generating informative data that can subsequently be used for data-driven stabilization or system identification. We further improve the computational performance of DGR via a rank-one update and demonstrate its utility in online regulation of the X-29 aircraft.
Household Grocery Shopping Destination Allocation: Have Local Stores Caught on with the Rise of Local Foods?
Creators: name: Zhou, Guzhen
name: Hu, Wuyang
name: Batte, Marvin T.
name: Woods, Timothy A.
name: Ernst, Stanley C.
name: Zhou, Guzhen
name: Hu, Wuyang
name: Batte, Marvin T.
name: Woods, Timothy A.
name: Ernst, Stanley C.
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Consumer/Household Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Marketing
subject: FOS: Economics and business
subject: Local food
subject: Grocery
subject: Seemingly Unrelated Regression

description: Locavorism and the Local Food Movement have captured attention of consumers, production suppliers and academic researchers. Local food advocates emphasize the benefits of locally grown food from fresher to better tastes and to more energy efficient due to shorter transportation distance. However, limited studies have been done about household grocery purchase allocations in the awakening of local food, especially for individuals who stick with the “locavore” principle. Through a recent survey conducted in Ohio, this study found that mainstream food suppliers (national grocery chains or retailers) still claim most market shares, however, locally owned food stores and farmers’ markets are gaining popularity. The study also found that education attainment and household income were positively correlated with grocery trips to specialty stores.
Wettability study in CO2 capture from flue gas using nano porous membrane contactors
Creators: name: Gader
Publisher: name: figshare
Year: 2020
Subjects: subject: 90404 Membrane and Separation Technologies
subject: FOS: Chemical engineering

description: Wettability of nano porous membrane contactors in exposed to different chemical solvents was studied in this research. The work is conducted using computational simulation of CO2 capture from flue gas in a hollow-fiber membrane module. Computational fluid dynamics method was applied for numerical solution of governing transport equations. Simulations were performed to study CO2 transport through membrane for complete wetting and non-wetting conditions. Simulation results were validated through comparing with the experimental data for CO2 capture using amine aqueous solutions. The simulation results were in consistent with the experimental data. To investigate the influence of solvent on separation performance, six common chemical absorbents including aqueous solutions of diethanolamine, N-methyldiethanolamine, monoethanolamine, 2-amino-2-methyl-1-propanol, sodium hydroxide, and potassium glycinate were considered in the simulation. The simulation results revealed that the capture of CO2 using aqueous solution of potassium glycinate was the highest among the
absorbents.
ความพึงพอใจของผู้ใช้เว็บไซต์ระบบสนับสนุนการจัดทำคำของบประมาณด้านบุคลากรในมหาวิทยาลัยแม่โจ้
Creators: name: ธัญลักษณ์ อารยพิทยา
Publisher: name: กองบรรณาธิการวารสารแม่โจ้เทคโนโลยีสารสนเทศและนวัตกรรม มหาวิทยาลัยแม่โจ้
Year: 2563
Subjects: ระบบสนับสนุนการจัดทำคำของบประมาณ
ความพึงพอใจ
ระบบสารสนเทศเพื่อการบริหาร

description: วารสารแม่โจ้เทคโนโลยีสารสนเทศและนวัตกรรม, 6, 2, 36-54
U(1) spin liquids and valence bond solids in a large-N three-dimensional Heisenberg model
Creators: name: Bernier, Jean-Sebastien
name: Kao, Ying-Jer
name: Kim, Yong Baek
Publisher: name: arXiv
Year: 2004
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study possible quantum ground states of the Sp(N) generalized Heisenberg model on a cubic lattice with nearest-neighbor and next-nearest-neighbor exchange interactions. The phase diagram is obtained in the large-N limit and fluctuation effects are considered via appropriate gauge theories. In particular, we find three U(1) spin liquid phases with different short-range magnetic correlations. These phases are characterized by deconfined gapped spinons, gapped monopoles, and gapless ``photons''. As N becomes smaller, a confinement transition from these phases to valence bond solids (VBS) may occur. This transition is studied by using duality and analyzing the resulting theory of monopoles coupled to a non-compact dual gauge field; the condensation of the monopoles leads to VBS phases. We determine the resulting VBS phases emerging from two of the three spin liquid states. On the other hand, the spin liquid state near J_1 \approx J_2 appears to be more stable against monopole condensation and could be a promising candidate for a spin liquid state in real systems.
description: revtex file 12 pages, 17 figures
Migration and Land Rental as Risk Response in Rural China
Creators: name: Ward, Patrick S.
name: Shively, Gerald E.
name: Ward, Patrick S.
name: Shively, Gerald E.
Publisher: name: Unknown
Year: 2011
Subjects: subject: International Development
subject: Labor and Human Capital
subject: Risk and Uncertainty
subject: China
subject: risk
subject: consumption smoothing
subject: income smoothing

description: Households in developing countries take various actions to smooth income or consumption as a means of managing or responding to risk. One of the principal means of smoothing income is through the diversification of income sources, including non-farm employment and rural-urban migration. An important consumption smoothing strategy involves the accumulation and depletion of assets. We examine migration and land rental market participation as responses to risk in rural China. Using a longitudinal data set comprised of households in nine provinces in China from 1991 through 2006, we are able to test for the effect of various manifestations of underlying idiosyncratic and covariate income risk on household responses. We find that covariate risks increase land rental market participation, but decrease participation in migration. Idiosyncratic income risks do not affect household rental market participation, perhaps suggesting that intra-village risk sharing is sufficient for households to smooth consumption after experiencing idiosyncratic shocks. Because the death of a household reduces a household's redundant labor, these idiosyncratic labor shocks significantly lower the likelihood that a household will participate in migration.
title: Françoise Barré-Sinoussi, Luc Montagnier, "Historical accuracy of HIV isolation"
Creators: name: Montagnier, Luc (1932-....)
name: Barré-Sinoussi, Françoise (1947-....)
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020

description: Extrait de Nature Medicine, vol. 9, 2003, no 10 (octobre).
description: Source: http://www.calames.abes.fr/pub/ms/Calames-20193111135696611
description: created: start=2003-07;end=2003-10
Piecewise continuous distribution function method: Fluid equations and wave disturbances at stratified gas
Creators: name: Vereshchagin, Dmitry
name: Leble, Sergey
Publisher: name: arXiv
Year: 2005
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Wave disturbances of a stratified gas are studied. The description is built on a basis of the Bhatnagar -- Gross -- Krook (BGK) kinetic equation which is reduced down the level of fluid mechanics. The double momenta set is introduced inside a scheme of iterations of the equations operators, dividing the velocity space along and opposite gravity field direction. At both half-spaces the local equilibrium is supposed. As the result, the momenta system is derived. It reproduce Navier-Stokes and Barnett equations at the first and second order in high collision frequencies. The homogeneous background limit gives the known results obtained by direct kinetics applications by Loyalka and Cheng as the recent higher momentum fluid mechanics results of Chen, Rao and Spiegel. The ground state declines from exponential at the Knudsen regime. The WKB solutions for ultrasound in exponentially stratified medium are constructed in explicit form, evaluated and plotted.
description: 20 pages, 7 figures, 14 ISNA conference, 1996
A Convolutional Neural Network with Parallel Multi-Scale Spatial Pooling to Detect Temporal Changes in SAR Images
Creators: name: Chen, Jia-Wei
name: Wang, Rongfang
name: Ding, Fan
name: Liu, Bo
name: Jiao, Licheng
name: Zhang, Jie
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In synthetic aperture radar (SAR) image change detection, it is quite challenging to exploit the changing information from the noisy difference image subject to the speckle. In this paper, we propose a multi-scale spatial pooling (MSSP) network to exploit the changed information from the noisy difference image. Being different from the traditional convolutional network with only mono-scale pooling kernels, in the proposed method, multi-scale pooling kernels are equipped in a convolutional network to exploit the spatial context information on changed regions from the difference image. Furthermore, to verify the generalization of the proposed method, we apply our proposed method to the cross-dataset bitemporal SAR image change detection, where the MSSP network (MSSP-Net) is trained on a dataset and then applied to an unknown testing dataset. We compare the proposed method with other state-of-arts and the comparisons are performed on four challenging datasets of bitemporal SAR images. Experimental results demonstrate that our proposed method obtains comparable results with S-PCA-Net on YR-A and YR-B dataset and outperforms other state-of-art methods, especially on the Sendai-A and Sendai-B datasets with more complex scenes. More important, MSSP-Net is more efficient than S-PCA-Net and convolutional neural networks (CNN) with less executing time in both training and testing phases.
Dispute Settlement at the WTO: Impacts of a No Deal in the US-Brazil Cotton Dispute
Creators: name: Lakatos, Csilla
name: Walmsley, Terrie L.
name: Lakatos, Csilla
name: Walmsley, Terrie L.
Publisher: name: Unknown
Year: 2011
Subjects: subject: International Relations/Trade
subject: dispute settlement
subject: WTO
subject: intellectual property
subject: computable general equilibrium

description: On the day before Brazil was to start imposing retaliatory sanctions against the US in the WTO dispute settlement case regarding unfair domestic and export upland cotton subsidies, the parties have reached a preliminary concession aimed at settling this 8-year-long trade dispute. In this paper, we explore the economy wide impacts of a no deal with speciﬁc emphasis on intellectual property retaliation in a computable general equilibrium framework. As awarded by a WTO dispute settlement panel, Brazil would have been entitled to $591 million in retaliatory sanctions in goods sectors and $238 million in intellectual property sanctions. We ﬁnd that retaliation by Brazil would have led to welfare gains for all countries except the US. Most importantly however, had Brazil not been allowed to retaliate in the form of suspension of intellectual property rights, the impact of trade retaliation alone would have been negative for both Brazil and the US, a case of shooting oneself in the foot to shoot at the other person’s foot.
Nuclear Properties of Nearby Spiral Galaxies from Hubble Space Telescope NICMOS imaging and STIS Spectroscopy
Creators: name: Hughes, M. A.
name: Axon, D.
name: Atkinson, J.
name: Alonso-Herrero, A.
name: Scarlata, C.
name: Marconi, A.
name: Batcheldor, D.
name: Binney, J.
name: Capetti, A.
name: Carollo, C. M.
name: Dressel, L.
name: Gerssen, J.
name: Macchetto, D.
name: Maciejewski, W.
name: Merrifield, M.
name: Ruiz, M.
name: Sparks, W.
name: Stiavelli, M.
name: Tsvetanov, Z.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We investigate the central regions of 23 spiral galaxies using archival NICMOS imaging and STIS spectroscopy. The sample is taken from our program to determine the masses of central massive black holes (MBH) in 54 nearby spiral galaxies. Stars are likely to contribute significantly to any dynamical central mass concentration that we find in our MBH program and this paper is part of a series to investigate the nuclear properties of these galaxies. We use the Nuker law to fit surface brightness profiles, derived from the NICMOS images, to look for nuclear star clusters and find possible extended sources in 3 of the 23 galaxies studied (13 per cent). The fact that this fraction is lower than that inferred from optical Hubble Space Telescope studies is probably due to the greater spatial resolution of those studies. Using R-H and J-H colors and equivalent widths of H-alpha emission (from the STIS spectra) we investigate the nature of the stellar population with evolutionary models. Under the assumption of hot stars ionizing the gas, as opposed to a weak AGN, we find that there are young stellar populations (~10-20 Myr) however these data do not allow us to determine what percentage of the total nuclear stellar population they form. Also, in an attempt to find any unknown AGN we use [N II] and [S II] line flux ratios (relative to H-alpha) and find tentative evidence for weak AGN in NGC 1300 and NGC 4536.
description: 23 pages, 8 figures. Accepted for publication in AJ
Gaps in Infection Prevention and Control in public health facilities of Sierra Leone after the 2014–2015 Ebola outbreak
Creators: name: Squire James Sylvester
name: Conteh Imurana
name: Abrahamya Arpine
name: Anna, Maruta
name: Grigoryan Ruzanna
name: Tweya Hannock
name: Timire Collins
name: Hann Katrina
name: Rony, Zachariah
name: Vandi Mohamed Alex
Publisher: name: Zenodo
Year: 2021

description: The IPC/WASH checklist (2015 version) is a structured, closed-ended questionnaire with a scoring system on 10 thematic areas or components. The 10 thematic areas include: 1) availability of screening and isolation facilities, 2) IPC/WASH organization, 3) hand hygiene, 4) personal protective equipment and supplies, 5) sharps safety, 6) decontamination of medical equipment, 7) decontamination of linen, 8) decontamination of the environment, 9) waste management and 10) sanitation. Each thematic area has sub-component questions with a ‘yes’ or ‘no’ response and coded as 1 or 0, respectively. The checklist has a total of 68 questions for hospital assessment and 64 questions for PHU assessment. For each thematic area, the total number of ‘yes’ responses are added and divided by the total number of questions for that section. This is multiplied by 100 to get the percentage score. An overall score is computed for each thematic area and based on the percentage scores, compliance is graded as: i) compliant: 85% or above (GREEN); ii) partial compliance: 70 to 84% (AMBER) and; iii) minimal compliance: below 70% (RED).
The Effects of Driving Restrictions on Air Quality: São Paulo, Bogotá, Beijing, and Tianjin
Creators: name: Lin, C.-Y. Cynthia
name: Zhang, Wei
name: Umanskaya, Victoria I.
name: Lin, C.-Y. Cynthia
name: Zhang, Wei
name: Umanskaya, Victoria I.
Publisher: name: Unknown
Year: 2011
Subjects: subject: Environmental Economics and Policy
subject: driving restriction
subject: air quality

description: In a typical driving restriction, vehicle use is restricted based on the vehicle’s license plate; one cannot drive vehicles with certain license plate numbers on certain days. Driving restrictions have been used as a method to reduce urban air pollution or traffic congestion because they are easy and inexpensive to implement. We investigate whether driving restrictions introduced in São Paulo, Bogotá, Beijing and Tianjin have improved air quality. Across different versions of the driving restrictions there is no evidence that the overall air quality at different places has been improved. However, several important results show up in this extensive analysis. Temporal shifting of driving is likely to appear when the restrictions are only effective during certain hours of weekdays. Driving restrictions could potentially reduce the extreme concentrations of air pollutants. Driving restrictions can only be expected to alleviate air pollution when implemented with an extended schedule or in an extended region. The effects of the driving restrictions are primarily on the concentrations of CO and PM10.
Spontaneous interlayer coherence in bilayer Kondo systems
Creators: name: Senthil, T.
name: Vojta, Matthias
Publisher: name: arXiv
Year: 2004
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Bilayer Kondo systems present interesting models to illustrate the competition between the Kondo effect and intermoment exchange. Such bilayers can exhibit two sharply distinct Fermi liquid phases which are distinguished by whether or not the local moments participate in the Fermi sea. We study these phases and the evolution from one to the other upon changing Kondo coupling. We argue that an ordered state with spontaneous interlayer phase coherence generically intervenes between the two Fermi liquids. Such a condensate phase breaks a U(1) symmetry and is bounded by a finite-temperature Kosterlitz-Thouless transition. Based on general arguments and mean-field calculations we investigate the phase diagram and associated quantum phase transitions.
description: 4 pages, 3 figs, (v2) misprints in eqs corrected, final version as published
Supplementary tables, figures, and methods from Testing the multiple stressor hypothesis: chlorothalonil exposure alters transmission potential of a bumblebee pathogen but not individual host health
Creators: name: Calhoun, Austin C.
name: Harrod, Audrey E.
name: Bassingthwaite, Toby A.
name: Sadd, Ben M.
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Environmental Science
subject: Ecology
subject: FOS: Biological sciences
subject: Health Care
subject: Diseases
subject: 111706 Epidemiology
subject: FOS: Health sciences

description: Numerous threats are putting pollinator health and essential ecosystem pollination services in jeopardy. Although individual threats are widely studied, their co-occurrence may exacerbate negative effects, as posited by the multiple stressor hypothesis. A prominent branch of this hypothesis concerns pesticide–pathogen co-exposure. A landscape analysis demonstrated a positive association between local chlorothalonil fungicide use and microsporidian pathogen (Nosema bombi) prevalence in declining bumblebee species (Bombus spp.), suggesting an interaction deserving further investigation. We tested the multiple stressor hypothesis with field-realistic chlorothalonil and N. bombi exposures in worker-produced B. impatiens microcolonies. Chlorothalonil was not avoided in preference assays, setting the stage for pesticide–pathogen co-exposure. However, contrary to the multiple stressor hypothesis, co-exposure did not affect survival. Bees showed surprising tolerance to Nosema infection, which was also unaffected by chlorothalonil exposure. However, previously fungicide-exposed infected bees carried more transmission-ready spores. Our use of a non-declining bumblebee and potential higher chlorothalonil exposures under some scenarios could mean stronger individual or interactive effects in certain field settings. Yet, our results alone suggest consequences of pesticide co-exposure for pathogen dynamics in host communities. This underlies the importance of considering both within- and between-host processes when addressing the multiple stressor hypothesis in relation to pathogens.
U.S. Consumers’ Preference and Willingness to Pay for Country-of-Origin-Labeled Beef Steak and Food Safety Enhancements
Creators: name: Lim, Kar Ho
name: Maynard, Leigh J.
name: Hu, Wuyang
name: Goddard, Ellen W.
name: Lim, Kar Ho
name: Maynard, Leigh J.
name: Hu, Wuyang
name: Goddard, Ellen W.
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Consumer/Household Economics
subject: Demand and Price Analysis
subject: International Relations/Trade
subject: Livestock Production/Industries
subject: beef
subject: consumer preferences
subject: country-of-origin labeling
subject: conjoint experiment
subject: willingness to pay

description: The mandatory Country of Origin Labeling (COOL) troubles beef exporters to the U.S. This study evaluates the extent that U.S. consumers are receptive to imported steak and their perception of food safety level of beef from various countries. In addition, using conjoint analysis, willingness to pay for strip loin steak from Australia, Canada and the United States is estimated along with several increasingly important food safeties and quality attributes in beef. We find that on average U.S. consumers are willing to pay significantly less for imported steaks.
Accelerated Cosmological Models in Ricci squared Gravity
Creators: name: Allemandi, G.
name: Borowiec, A.
name: Francaviglia, M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Alternative gravitational theories described by Lagrangians depending on general functions of the Ricci scalar have been proven to give coherent theoretical models to describe the experimental evidence of the acceleration of universe at present time. In this paper we proceed further in this analysis of cosmological applications of alternative gravitational theories depending on (other) curvature invariants. We introduce Ricci squared Lagrangians in minimal interaction with matter (perfect fluid); we find modified Einstein equations and consequently modified Friedmann equations in the Palatini formalism. It is striking that both Ricci scalar and Ricci squared theories are described in the same mathematical framework and both the generalized Einstein equations and generalized Friedmann equations have the same structure. In the framework of the cosmological principle, without the introduction of exotic forms of dark energy, we thus obtain modified equations providing values of w_{eff}
description: New version: 26 pages, 1 figure (now included), Revtex4
Imperfect Information and the Reserve Price Dynamics In Auctions
Creators: name: Olimov, Jafar
name: Olimov, Jafar
Publisher: name: Unknown
Year: 2011
Subjects: Demand and Price Analysis
Industrial Organization

description: I study a hybrid bargaining model with an English auction in each state. The seller uses auctions to extract information about the bidders’ values of the object on sale. The bargaining element is introduced to maximize revenue, since the winning bidder has to exceed not only the second-highest bid but also the reservation price of the seller. This model can explain the following empirical facts from Ebay auctions: multiple relisting of similar items, the use of secret reserve prices, and the convergence of sale
Rule-based vs. intuitive reasoning : culture, reasoning style, & values
Creators: name: Buchtel, Emma E.
Publisher: name: University of British Columbia
Year: 2009

description: Are cultural differences in use of intuitive vs. analytical reasoning also reflected in social values? The results of the following studies show that East Asians are more likely to approve of an intuitive decision-maker than Westerners, suggesting that East Asian and Western differences in preference for intuitive vs. analytical reasoning are accompanied by different injunctive norms. These norms, however, are also shown to vary as a function of the interpersonality of the situation in both cultures. In this study, Euro- and East-Asian-Canadian undergraduates read scenarios of intuitive vs. rule-following business decisions. East Asian-and Euro-Canadians showed no differences in judging the intuitive decision-maker when the scenario was perceived by both cultures to be highly social. However, East Asians were more approving of an intuitive decision-maker than Euro-Canadians in a second scenario, which was perceived to be more social by East Asians than by Euro-Canadians. Findings suggest that culturally different cognitive tendencies may be reflected in cultural values, and that the root of these cognitive and value differences may lie in the number of situations that are perceived to be social and thus universally best solved by non-analytical means. We explore consequences for the understanding of the co-constitution of mind and culture, the influence of values on cross-cultural understanding, and philosophical debates on epistemic justification.
Animation 2 from Perception-driven dynamics of mimicry based on attractor field model
Creators: name: Brejcha, Jindřich
name: Tureček, Petr
name: Kleisner, Karel
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: 60114 Systems Biology
subject: FOS: Biological sciences
subject: 60199 Biochemistry and Cell Biology not elsewhere classified
subject: 69999 Biological Sciences not elsewhere classified

description: gradual transformation of similarity contours
Universal abelian covers of certain surface singularities
Creators: name: Okuma, Tomohiro
Publisher: name: arXiv
Year: 2005
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: Primary 32S25; Secondary 14B05, 14J17

description: Every normal complex surface singularity with $\mathbb Q$-homology sphere link has a universal abelian cover. It has been conjectured by Neumann and Wahl that the universal abelian cover of a rational or minimally elliptic singularity is a complete intersection singularity defined by a system of ``splice diagram equations''. In this paper we introduce a Neumann-Wahl system, which is an analogue of the system of splice diagram equations, and prove the following. If $(X,o)$ is a rational or minimally elliptic singularity, then its universal abelian cover $(Y,o)$ is an equisingular deformation of an isolated complete intersection singularity $(Y_0,o)$ defined by a Neumann-Wahl system. Furthermore, if $G$ denotes the Galois group of the covering $Y \to X$, then $G$ also acts on $Y_0$ and $X$ is an equisingular deformation of the quotient $Y_0/G$.
description: 18 pages
Testing for Volatility Changes in Grain Markets
Creators: name: Wu, Feng
name: Wu, Feng
Publisher: name: Unknown
Year: 2011
Subjects: subject: Financial Economics
subject: structural change
subject: grain
subject: volatility measures

description: We use newly nonparametric volatility measures and break techniques to estimate common breaks across grain futures over the recent ten years. Our results show one structural change in realized volatilities occurred in 2006 for corn and in 2007 for soybean. But the date difference between them cannot be negligible. We disaggregate the realized volatilities into a continuous component and a jump part and found the source of structural beak in realized volatilities is from jumps.
The Interaction of Obesity Related Genotypes, Phenotypes, and Economics: An Experimental Economics Approach with Mice
Creators: name: Davis, George C.
name: Jacob, Jacy
name: Good, Deborah J
name: Davis, George C.
name: Jacob, Jacy
name: Good, Deborah J
Publisher: name: Unknown
Year: 2011
Subjects: Food Consumption/Nutrition/Food Safety

description: Food intake is greatly influenced by economic factors. Consequently, neuroeconomics has been identified as a new and important area for understanding the interaction between genotypes and phenotypes related to food intake. A foundational element of economics is choice between alternatives. Changing food choices are a central element in the explanation of the increasing obesity rates in human populations. The purpose of this research is to incorporate the key element of choice into the investigation of food intake and weight-related phenotypes for mice in an operant chamber setting. Using normal mice, and mice with a mutation in the Tubby gene (Tub-Mut) which results in adult onset obesity, this research will investigate different behavioral responses among genotypes, as well as unexplored phenotype outcomes when mice are confronted with a falling price of a high fat food relative to a low fat food. Results for both genotypes indicate that as the price of the high fat food falls, consumption of that food increases, but consumption of the low fat food does not decrease in a compensatory fashion. For both genotypes, weight and body fat percentage increases with decreasing high fat food price, but ghrelin and leptin levels do not significantly change. The Tub-Mut shows a significant increase in the area under the glucose tolerance curve, suggestive of a diabetic state. These results show that accounting for choice in neuroeconomic studies is important to understanding the complex regulation of body weight and diabetes.
Outage Analysis of Cognitive Electric Vehicular Networks over Mixed RF/VLC Channels
Creators: name: Nauryzbayev, Galymzhan
name: Abdallah, Mohamed
name: Al-Dhahir, Naofal
Publisher: name: arXiv
Year: 2020
Subjects: subject: Information Theory (cs.IT)
subject: Performance (cs.PF)
subject: FOS: Computer and information sciences

description: Modern transportation infrastructures are considered as one of the main sources of the greenhouse gases emitted into the atmosphere. This situation requires the decision-making players to enact the mass use of electric vehicles (EVs) which, in turn, highly demand novel secure communication technologies robust to various cyber-attacks. Therefore, in this paper, we propose a novel jamming-robust communication technique for different outdoor cognitive EV-enabled network cases over mixed radio-frequency (RF)/visible light communication (VLC) channels. One EV acts as a relaying node to allow an aggregator to reach the jammed EV and, at the same time, operates in both RF and VLC spectrum bands while satisfying interference constraints imposed by the primary network entities. We derive exact closed-form analytical expressions for the outage probability and also provide their asymptotic analysis while considering various channel state information quality scenarios. Moreover, we quantify the outage reduction achievable by deploying such mixed VLC/RF channels. Finally, analytical and simulation results validate the accuracy of our analysis.
description: 11 pages, 6 figures
Heated Intracluster Gas and Radio Connections: the Singular case of MKW3s
Creators: name: Mazzotta, Pasquale
name: Brunetti, Gianfranco
name: Giacintucci, Simona
name: Venturi, Tiziana
name: Bardelli, Sandro
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Similarly to other cluster of galaxies previously classified as cooling flow systems, the Chandra observation of MKW3s reveals that this object has a complex X-ray structure hosting both a X-ray cavity and a X-ray filament. Unlike the other clusters, however, the temperature map of the core of MKW3s shows the presence of extended regions of gas heated above the radially averaged gas temperature at any radius. As the cluster does not show evidences for ongoing major mergers Mazzotta et al. suggest a connection between the heated gas and the activity of the central AGN. Nevertheless, due to the lack of high quality radio maps, this interpretation was controversial. In this paper we present the results of two new radio observations of MKW3s at 1.28GHz and 604MHz obtained at the GMRT. Together with the Chandra observation and a separate VLA observation at 327MHz from Young, we show unequivocal evidences for a close connection between the heated gas region and the AGN activity and we briefly summarize possible implications.
description: To appear in a special issue of the "Journal of the Korean Astronomical Society" (JKAS). Proceedings of the International conference on Cosmic Rays and Magnetic Fields in Large Scale Structure, Busan, Korea, 2004
PRESENÇA DE CICLOS ECONÔMICOS NA PRODUÇÃO, PREÇOS E EXPORTAÇÕES DE CAFÉ NO BRASIL: ABORDAGEM PELA ANÁLISE ESPECTRAL
Creators: name: Fernandes, Elaine Aparecida
name: Miranda, Romulo J.S.
name: Coelho, Alexandre Braganca
name: Fernandes, Elaine Aparecida
name: Miranda, Romulo J.S.
name: Coelho, Alexandre Braganca
Publisher: name: Unknown
Year: 2008
Subjects: subject: Crop Production/Industries
subject: Análise espectral
subject: ciclos
subject: raiz unitária
subject: Espectral analysis
subject: cycles
subject: unit roots

description: A cultura cafeeira foi e continua sendo de primordial importância para a economia brasileira. Além de importante fonte de renda para a economia brasileira, o café tem destacada participação nas receitas cambiais, na transferência de renda entre setores e na formação de capital no setor agrícola nacional. Outro fator que privilegia o Brasil na produção cafeeira é o fato de sua produção ser em larga escala e diversificada, ao contrário da maioria dos países produtores que se especializam na produção de uma única espécie. A possibilidade de flutuações cíclicas nos preços e nas quantidades produzidas e/ou exportadas constitui sério problema para esse setor. Essa constatação motivou o presente estudo que utilizou basicamente dois métodos de análise para a verificação do comportamento da produção, exportação e preço de café no período analisado : a análise de tendência e análise espectral.--------------------The coffee cultivation was and keeps being of primordial importance for the Brazilian economy. Being a source of income for the Brazilian economy, coffe has na important participation on the transference of income among sectors and capital formation in the national agricultural sector. Another factor that favour Brazil in the coffee production is that its production is diversified and large scale. Opposite to the most of the productive, countries that specialize themselves in the production of only one specie. The possibilite of cicle fluctuations on the prices and quantities producted and/or exported is a serious problem for this sector. This observation motivated the present study that used basically two methods of analysis for the verification of the production behavior, exportation and price of the coffee in the analysed period: the tendency analysis and spectral analysis.
Animation 3 from Perception-driven dynamics of mimicry based on attractor field model
Creators: name: Brejcha, Jindřich
name: Tureček, Petr
name: Kleisner, Karel
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: 60114 Systems Biology
subject: FOS: Biological sciences
subject: 60199 Biochemistry and Cell Biology not elsewhere classified
subject: 69999 Biological Sciences not elsewhere classified

description: gradual transformation of similarity contours
Enhanced heterogeneous catalytic ozonation of pharmaceutical pollutants using a novel nanostructure of iron-based mineral prepared via plasma technology: A comparative study
Creators: name: Gader
Publisher: name: figshare
Year: 2020
Subjects: subject: Environmental Science
subject: 50299 Environmental Science and Management not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 50206 Environmental Monitoring

description: Plasma-treated goethite nanoparticles with high surface area and improved density of surface hydroxyl groups were synthesized from natural goethite (NG) using Argon (PTG-Ar) and Nitrogen (PTG-N2) as plasma environment to enhance the performance of heterogeneous catalytic ozonation process. Synthesized samples were characterized by FESEM, EDX, TEM, XRD, XPS, BET-BJH, FTIR, AAS and pHPZC. Results indicated a significantly different morphology for the prepared samples with negligible change in crystal structure. Furthermore, the catalytic activity and synergy factor of the NG and PTG nanocatalysts were evaluated for degradation and mineralization of Sulfasalazine antibiotic (SSZ) as an environmental hazardous contaminant. The highest removal efficiency was achieved 96.05% under the optimal operating conditions. The kinetic study confirmed the pseudo-first-order reaction for the degradation process. Moreover, the dissolved ozone concentration and effect of organic and inorganic salts were studied in order to assess the reactive oxidant species (ROS) and catalyst active sites in the process. The mechanism investigation showed the catalytic ozonation of SSZ was mainly performed by successive attacks of hydroxyl radicals (•OH), superoxide radicals (•O2-) and direct ozone molecules. Environmentally-friendly modification of the NG, negligible iron leaching, successive reusability and superior catalytic activity are the major benefits of the PTG nanoparticles.
title: Current challenges for the German automotive industry and their implications for medium-sized transport companies
Creators: name: Balles, Manuel
Publisher: name: TU Wien
Year: 2020
Subjects: subject: Automotive
subject: Logistic
subject: Transport
subject: Challenges
subject: Risks
subject: Opportunities
subject: Automotive
subject: Logistic
subject: Transport
subject: Challenges
subject: Risks
subject: Opportunities

description: This paper analyzes current events and their impact on the German automotive industry and the related automotive logistics. It is shown that circumstances and events on various levels, such as social, technical and economic, have an impact on this fragile structure. The structure can be described as fragile because it is a highly optimized process of manufacturing, storage and transport, which is clocked like clockwork and correlates with each other like gear wheels. The evaluation includes, for example, the advancing globalization, political events such as Brexit1 or the diesel emissions scandal, the trade war between the USA and China, the development of the Turkish economy, the advancing technological development or the changing significance of environmental issues. A focus lies on the change of customer wishes when buying a car. At the same time, the entire industry suffers from considerable cost pressure. The work will also present the impact of these changes at all levels of the supply chain. This is reflected in political regulations such as driving bans or a complete change to electric mobility. This Chapter is followed by an evaluation of the current annual and interim reports, using the example of the car manufacturers Volkswagen, Daimler and BMW. It will become apparent that the companies in question are aware of the risks and even consider them in their own analysis. The aim of this paper is to provide an overview of the opportunities and risks facing medium-sized transport companies that transport parts for and to the big automotive suppliers and manufactures. Finally, an analysis will be made as to whether it is advisable to invest in new trucks and trailers, and if so, in which ones. To underscore this question, it is essential to look at trends, developments and possible future scenarios. One focus is on the development of the automotive industry and the consequences for the companies in question.
SINDy-BVP: Sparse Identification of Nonlinear Dynamics for Boundary Value Problems
Creators: name: Shea, Daniel E.
name: Brunton, Steven L.
name: Kutz, J. Nathan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computational Engineering, Finance, and Science (cs.CE)
subject: FOS: Computer and information sciences

description: We develop a data-driven model discovery and system identification technique for spatially-dependent boundary value problems (BVPs). Specifically, we leverage the sparse identification of nonlinear dynamics (SINDy) algorithm and group sparse regression techniques with a set of forcing functions and corresponding state variable measurements to yield a parsimonious model of the system. The approach models forced systems governed by linear or nonlinear operators of the form $L[u(x)] = f(x)$ on a prescribed domain $x \in [a, b]$. We demonstrate the approach on a range of example systems, including Sturm-Liouville operators, beam theory (elasticity), and a class of nonlinear BVPs. The generated data-driven model is used to infer both the operator and/or spatially-dependent parameters that describe the heterogenous, physical quantities of the system. Our SINDy-BVP framework will enables the characterization of a broad range of systems, including for instance, the discovery of anisotropic materials with heterogeneous variability.
MICROCRÉDITO RURAL: ANÁLISE SOBRE A MODALIDADE DO PRONAF B.
Creators: name: Ferraz, Osni Giani
name: Pase, Hemerson Luiz
name: Brandao, Sheila
name: Balcewicz, Luiz Carlos
name: Ferraz, Osni Giani
name: Pase, Hemerson Luiz
name: Brandao, Sheila
name: Balcewicz, Luiz Carlos
Publisher: name: Unknown
Year: 2008
Subjects: subject: Agricultural Finance
subject: Microcrédito
subject: Capital Social e Políticas Públicas
subject: Capital stock and Public Politics

description: O presente artigo analisou as operações de investimento do Pronaf B, que trabalha com o microcrédito rural, em operações contratadas até 30 de junho de 2006. Verificou como está sendo conduzida a aplicação deste crédito rural, principalmente no Nordeste, em relação ao seu nível de inadimplência, bem como investigou as metodologias utilizadas na aplicação deste recurso, a colaboração do microcrédito para a diminuição da pobreza rural, a participação dos atores locais e a promoção do capital social.-------------The present article analyzed the operations of investment of Pronaf B, that works with the agricultural microcredit, in operations contracted up to 30 of June of 2006. It verified as she is being lead the application of this agricultural credit, mainly in the Northeast, relation to its level of insolvency, as well as investigated the methodologies used in the application of this resource, the contribution of the microcredit for the reduction of the agricultural poverty, the participation of the local actors and the promotion of the capital stock.