cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Particle Physics on Ice: Constraints on Neutrino Interactions Far Above the Weak Scale
Creators: name: Anchordoqui, Luis A.
name: Feng, Jonathan L.
name: Goldberg, Haim
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Ultra-high energy cosmic rays and neutrinos probe energies far above the weak scale. Their usefulness might appear to be limited by astrophysical uncertainties; however, by simultaneously considering up- and down-going events, one may disentangle particle physics from astrophysics. We show that present data from the AMANDA experiment in the South Pole ice already imply an upper bound on neutrino cross sections at energy scales that will likely never be probed at man-made accelerators. The existing data also place an upper limit on the neutrino flux valid for any neutrino cross section. In the future, similar analyses of IceCube data will constrain neutrino properties and fluxes at the O(10%) level.
description: 4 pages, 1 figure, published version
Morphological patterns of different mosquito
Creators: name: KACHHAWAHA, NEETU
name: Meena, Geeta
name: Abhishek Rajpurohit
Publisher: name: figshare
Year: 2021
Subjects: subject: Zoology
subject: FOS: Biological sciences

description: The small sized creature called mosquito is well known for the infectious diseases like malaria, yellow fever, dengue, JE, elephantitis. For the early detection and prompt treatment of the larva and adult of mosquito there is a need for their proper identification. The mosquito found in the desertic regions of Rajasthan are A. stephensi, A. culicifacies, A. annularis, A. subpictus, Ae. aegypti, Ae. albopictus, Ae. vittatus, C. tritaenorhynchus are the major. This paper is focused on the morphological identification of mosquito species
Deep Virtual Compton Scattering and the Nucleon Generalized Parton Distributions
Creators: name: Guidal, M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the following, the subject of Deep Virtual Compton Scattering on the nucleon and its relation to the recently introduced concept of Generalized Parton Distributions are briefly reviewed. The general theoretical framework and the links between theory and experiment will be outlined and the recently published data which look promising for the development of this field will be discussed. Finally, the experimental prospectives of the domain will be presented.
description: 12 pages, 5 figures
Additional file 1 of Satisfaction in parturients receiving epidural analgesia after prenatal shared decision-making intervention: a prospective, before-and-after cohort study
Creators: name: Wan-Jung Cheng
name: Kuo-Chuan Hung
name: Chung-Han Ho
name: Chia-Hung Yu
name: Chen, Yi-Chen
name: Ming-Ping Wu
name: Chin-Chen Chu
name: Chang, Ying-Jen
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Cell Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 1. The references of our questions. Questions in our study and where it adapted from.
RURAL SUPPLY COOPERATIVE CAPITAL BUDGETING DECISION CASE: FEASIBILITY STUDY OF AUXILIARY ENTERPRISES FOR A RURAL SUPPLY COOPERATIVE
Creators: name: Marshall, Andrew
name: Hine, Susan E.
name: Dalsted, Norman L.
name: Lybecker, Donald W.
name: Marshall, Andrew
name: Hine, Susan E.
name: Dalsted, Norman L.
name: Lybecker, Donald W.
Publisher: name: Unknown
Year: 2001
Subjects: Agribusiness

description: This capital budgeting case evaluates the feasibility of adding an auxiliary enterprise to a feed milling operation that an agricultural supply cooperative is considering purchasing. Both quantitative and qualitative objectives are taken into consideration regarding the cooperative's financial position, community employment, and farm level feasibility.
Energy trapped Ising model
Creators: name: Amoretti, Andrea
name: Costagliola, Gianluca
name: Magnoli, Nicodemo
name: Scanavino, Marcello
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In this paper we have considered the 3D Ising model perturbed with the energy operator coupled with a non uniform harmonic potential acting as a trap, showing that this system satisfies the trap-size scaling behavior. Eventually, we have computed the correlators $\langle σ(z) σ(0)\rangle$, $ \langle ε(z) ε(0)\rangle$ and $\langle σ(z) ε(0)\rangle$ near the critical point by means of conformal perturbation theory. Combining this result with Monte Carlo simulations, we have been able to estimate the OPE coefficients $C^σ_{σε}$, $C^ε_{σσ}$ and $C^ε_{εε}$, finding a good agreement with the values obtained in [1,2].
description: 17 pages, 5 figures; minor changes, version to appear on PRD
26Al in the inner Galaxy
Creators: name: Diehl, R.
name: Halloin, H.
name: Kretschmer, K.
name: Strong, A. W.
name: Wang, W.
name: Jean, P.
name: Lichti, G. G.
name: Knoedlseder, J.
name: Roques, J. -P.
name: Schanne, S.
name: Schoenfelder, V.
name: von Kienlin, A.
name: Weidenspointner, G.
name: Winkler, C.
name: Wunderer, C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We performed a spectroscopic study of the 1809 keV gamma-ray line from 26Al decay in the Galaxy using the SPI imaging spectrometer with its high-resolution Ge detector camera on the INTEGRAL observatory. We analyzed observations of the first two mission years, fitting spectra from all 7130 telescope pointings in narrow energy bins to models of instrumental background and the 26Al sky. Instrumental background is estimated from independent tracers of cosmic-ray activation. The shape of the 26Al signal is compared to the instrumental response to extract the width of the celestial line. We detect the 26Al line at \~16sigma significance. The line is broadened only slightly, if at all; we constrain the width to be below 2.8 keV (FWHM, 2 sigma). The average Doppler velocities of 26Al at the time of its decay in the interstellar medium (decay time~1.04 My) therefore are probably around 100 km/s, in agreement with expectations from Galactic rotation and interstellar turbulence. The flux and spatial distribution of the emission are found consistent with previous observations. The derived amount of 26Al in the Galaxy is 2.8 (+/-0.8) M_solar.
description: 7 pages with 7 figures; accepted for publication in Astronomy & Astrophysics
DOMINANT FACTORS IMPACTING THE DEVELOPMENT OF BUSINESS-TO-BUSINESS (B2B) E-COMMERCE IN AGRICULTURE
Creators: name: Leroux, Nicole
name: Wortman, Max S.
name: Mathias, Eric D.
name: Leroux, Nicole
name: Wortman, Max S.
name: Mathias, Eric D.
Publisher: name: Unknown
Year: 2001
Subjects: Agribusiness
Industrial Organization

description: There is still much optimism about the potential success of e-commerce in agriculture. Three dominant factors have impacted this development: (1) industry structure; (2) product complexity; and (3) the high-touch nature of transactions. In turn, these factors have led to several different potential types of strategic options. From a mix of these strategic options, potential scenarios have been analyzed and selected. These potential scenarios are the future of business-to-business (B2B) commerce in agriculture.
Cooperative Control of Mobile Robots with Stackelberg Learning
Creators: name: Koh, Joewie J.
name: Ding, Guohui
name: Heckman, Christoffer
name: Chen, Lijun
name: Roncone, Alessandro
Publisher: name: arXiv
Year: 2020
Subjects: subject: Robotics (cs.RO)
subject: Computer Science and Game Theory (cs.GT)
subject: Machine Learning (cs.LG)
subject: Multiagent Systems (cs.MA)
subject: FOS: Computer and information sciences
subject: I.2.9; I.2.6; I.2.11

description: Multi-robot cooperation requires agents to make decisions that are consistent with the shared goal without disregarding action-specific preferences that might arise from asymmetry in capabilities and individual objectives. To accomplish this goal, we propose a method named SLiCC: Stackelberg Learning in Cooperative Control. SLiCC models the problem as a partially observable stochastic game composed of Stackelberg bimatrix games, and uses deep reinforcement learning to obtain the payoff matrices associated with these games. Appropriate cooperative actions are then selected with the derived Stackelberg equilibria. Using a bi-robot cooperative object transportation problem, we validate the performance of SLiCC against centralized multi-agent Q-learning and demonstrate that SLiCC achieves better combined utility.
description: 8 pages, 7 figures
Nasrallah, Joseph: Chronologie des patriarches Melchites d'Antioche de 1500 a 1634
Creators: name: Assfalg, Julius
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 51 (1967): Oriens christianus, Band 51
COMPUTER AND INTERNET ADOPTION ON LARGE U.S. FARMS
Creators: name: Gloy, Brent A.
name: Akridge, Jay T.
name: Gloy, Brent A.
name: Akridge, Jay T.
Publisher: name: Unknown
Year: 2000
Subjects: Farm Management
Research and Development/Tech Change/Emerging Technologies

description: The adoption of the personal computer and the Internet is studied within a sample of large U.S. farms. Factors such as age and education influence the adoption of both technologies. Likewise, strong relationships exist between the adoption of each technology and the sophistication of farm management and the complexity of the farm business. After controlling for computer adoption, the results suggest there remain several factors limiting Internet adoption. It appears that producers are unsure as to how the Internet can best be used to create value in their farm businesses.
Categorification of the colored Jones polynomial and Rasmussen invariant of links
Creators: name: Beliakova, Anna
name: Wehrli, Stephan
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Algebra (math.QA)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 57M25

description: We define a family of formal Khovanov brackets of a colored link depending on two parameters. The isomorphism classes of these brackets are invariants of framed colored links. The Bar-Natan functors applied to these brackets produce Khovanov and Lee homology theories categorifying the colored Jones polynomial. Further, we study conditions under which framed colored link cobordisms induce chain transformations between our formal brackets. We conjecture that, for special choice of parameters, Khovanov and Lee homology theories of colored links are functorial (up to sign). Finally, we extend the Rasmussen invariant to links and give examples, where this invariant is a stronger obstruction to sliceness than the multivariable Levine-Tristram signature.
description: 26 pages with figures. Minor revisions. We weakened the statement of Lemma 6.1, whose original proof was incomplete
O uso de metodologias ativas para o ensino da Ciência Aberta
Creators: name: Brunoni, Jessica
name: Alencar, Maria Simone
Publisher: name: Zenodo
Year: 2024

description: Este trabalho relata a experiência de uso de metodologias ativas em uma disciplina de ciência aberta no doutorado da Universidade Federal do Estado do Rio de Janeiro em 2024, com 09 alunos de diferentes áreas (01 médico, 02 bibliotecários e 06 enfermeiros). A disciplina abordou temas como fundamentos da ciência aberta, ciência cidadã e infraestrutura de dados. As metodologias ativas, especialmente a sala de aula invertida e o laboratório prático de repositório de dados, foram bem recebidas, promovendo engajamento e maior compreensão dos conteúdos.
UNDERSTANDING TECHNOLOGY ADOPTION THROUGH SYSTEM DYNAMICS MODELING: IMPLICATIONS FOR AGRIBUSINESS MANAGEMENT
Creators: name: Fisher, Donna K.
name: Norvell, Jonathan
name: Sonka, Steven T.
name: Nelson, Mark J.
name: Fisher, Donna K.
name: Norvell, Jonathan
name: Sonka, Steven T.
name: Nelson, Mark J.
Publisher: name: Unknown
Year: 2000
Subjects: Agribusiness
Research and Development/Tech Change/Emerging Technologies

description: This work demonstrates the utility of sophisticated simulation tools in aiding agribusiness managers' decision making. The system dynamics model developed here provides insight into the use of such models to evaluate potential adoption rates and diffusion patterns of yield mapping and monitoring technologies. The model allows for comparative analyses of the possible effects of different profit assumptions on adoption and diffusion.
Theory of Non-Interacting Fermions and Bosons in the Canonical Ensemble
Creators: name: Barghathi, Hatem
name: Yu, Jiangyong
name: Del Maestro, Adrian
Publisher: name: arXiv
Year: 2020
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We present a self-contained theory for the exact calculation of particle number counting statistics of non-interacting indistinguishable particles in the canonical ensemble. This general framework introduces the concept of auxiliary partition functions, and represents a unification of previous distinct approaches with many known results appearing as direct consequences of the developed mathematical structure. In addition, we introduce a general decomposition of the correlations between occupation numbers in terms of the occupation numbers of individual energy levels, that is valid for both non-degenerate and degenerate spectra. To demonstrate the applicability of the theory in the presence of degeneracy, we compute energy level correlations up to fourth order in a bosonic ring in the presence of a magnetic field.
description: 17 pages, 4 figures. Cross-references added. For associated code and data repository see: https://github.com/DelMaestroGroup/CanonicalEnsembleTheory-paper-code
Resistivity and optical conductivity of cuprates within the t-J model
Creators: name: Zemljic, M. M.
name: Prelovsek, P.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The optical conductivity $σ(ω)$ and the d.c. resistivity $ρ(T)$ within the extended t-J model on a square lattice, as relevant to high-$T_c$ cuprates, are reinvestigated using the exact-diagonalization method for small systems, improved by performing a twisted boundary condition averaging. The influence of the next-nearest-neighbor hopping $t'$ is also considered. The behaviour of results at intermediate doping is consistent with a marginal-Fermi-liquid scenario and in the case of $t'=0$ for $ω>T$ follows the power law $σ\propto ω^{-ν}$ with $ν\sim 0.65$ consistent with experiments. At low doping $c_h<0.1$ for $T
description: 8 pages, 10 figures
title: Efficiency Optimization of Induction Machine Drives with Model Predictive Control
Creators: name: Montazeri Najafabadi, Ali
Publisher: name: UNSPECIFIED
Year: 2021

description: This thesis studies a system-oriented and software-based efficiency optimization approach for modern low voltage variable speed drives. For this purpose, a Finite Control Set Model Predictive Control (FCS-MPC) for an inverter-fed Induction Machine (IM) is developed, focusing on novel cost functions and long prediction horizons. Furthermore, a low cost FPGA-based platform is used for real-time hardware implementations. The conventional cost function, which takes merely the number of switching transitions into account, is redefined in order to explicitly consider individual switching and conduction losses of semiconductors. This is beneficial since the inverter losses can be reduced more effectively. The proposed cost function outperforms the conventional cost function by improving the inverter losses vs. current harmonic distortion (causing IM harmonic conduction losses) trade-off curve. The developed cost function is further enhanced in order to include the IM harmonic magnetization losses as well. The IM harmonic losses are particularly important for system-oriented efficiency optimization since they are in the same order of magnitude as the inverter losses in low voltage applications. As a distinctive feature, the developed FCS-MPC minimizes the inverter losses as well as the IM harmonic losses in the same cost function. This enables the controller to provide system-oriented global optimum efficiency while keeping its high dynamic performance. Furthermore, the controller can actively and intentionally move the losses between inverter and IM depending on the application and operating point. This is advantageous in order to avoid unacceptable temperatures in either inverter or IM. The benefits of the developed cost function toward efficiency optimization of inverter-fed IM as well as its dynamic performance are evaluated experimentally. The results confirm the superior performance of the developed FCS-MPC compared to standard pulse width modulator-based controllers. In the final part of this thesis, a framework is developed in order to increase the prediction horizon by means of Dynamic Programming (DP) optimization method. This approach ensures the linear increase of prediction and optimization effort and keeps the computational complexity affordable. For a successful implementation of the algorithm in real time, the resource sharing method for FPGA is discussed in detail. FCS-MPC with long prediction horizons, designed based on dynamic programming approach and resource sharing technique, is evaluated through simulation and experiment.
title: Molecular dynamics simulations of concentration fluctuations in binary mixtures
Creators: name: Müller, Niels Arne
Publisher: name: UNSPECIFIED
Year: 2021

description: This thesis studies the glassy slowdown in binary mixtures. We investigate the role of concentration fluctuations for complex dynamical behavior in the glassy regime and the influence of confinement on the structure and dynamics of mixtures. To study these topics, we use molecular dynamics simulations, which is a versatile tool to gain detailed atomistic information. We model two different binary mixtures; one realistic ethylene glycol-water mixture and one where the dynamical contrast can be tuned while the molecular structure is identical. Ethylene glycol and water are miscible in an equimolar ratio over a wide range of temperatures. The temperature-dependent investigation shows that the mixture behaves essentially like a common glass former, yielding similar time scales of structural relaxation and a single glass transition temperature of both species. The study of this mixture in a realistic silica confinement reveals micro-phase separation of the mixture into layers, which depend on the properties of the matrix and the liquid-liquid interactions. We observe that dynamics are slowed down close to the wall. However, the temperature dependence is reduced in confinement, which leads to faster dynamics at low temperatures compared to structural relaxation in the bulk mixture. The model mixture is composed of two water-like molecules with different molecular polarity and is prone to demixing upon cooling. Close to the spinodal, we observe concentration fluctuations in the mixture, which are stabilized by the glassy slowdown of molecular dynamics when the temperature range of vitrification coincides with the spinodal. The model mixture resembles many aspects of dynamically asymmetric binary glass formers, namely a decoupling of the time scales of the structural relaxation of the two components and anomalous shapes of correlation functions. The simultaneous evaluation of local concentration fluctuations and dynamical correlation functions shows that the molecular dynamics of the mixture are strongly affected by concentration fluctuations. Thus, we are able to rationalize the puzzling dynamical observations with the occurrence of concentration fluctuations when the phase separation is approached. Studies of the model mixture in neutral confinement reveal dynamical slowdown and spatially decoupled dynamics even in the absence of micro-phase separation. Using a nanostructured pore, we observe induced demixing and an effective shift of the critical temperature. Concentration gradients are reflected in the structural relaxation in the form of shifted time scales and non-linear diffusion due to the accompanying diffusion barriers.
Additional file 1 of Low-cost, disposable colourimetric sensors for metal ions detection
Creators: name: Alberti, Giancarla
name: Zanoni, Camilla
name: Magnaghi, Lisa Rita
name: Biesuz, Raffaela
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Microbiology
subject: FOS: Biological sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 20199 Astronomical and Space Sciences not elsewhere classified
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1: Figure S1. ATR-IR spectrum of CC. Figure S2. SEM images with different magnification and the corresponding EDX analysis. Figure S3. Electronic microscope imagines of the bare Colour Catcher® at different magnification order
The transverse energy and the charged particle multiplicity in a statistical model with expansion
Creators: name: Prorok, Dariusz
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Global variables such as the transverse energy and the charged particle multiplicity and their ratio are evaluated, in a statistical model with expansion, for heavy-ion collisions from AGS to RHIC at $\sqrt{s_{NN}}=200$ GeV. Full description of decays of hadron resonances is applied. The predictions of the model done at the freeze-out parameters established independently from observed particle yields and $p_{T}$ spectra agree well with the experimental data. However, some (explicable) overestimation of the ratio has been found.
description: Revtex, 1 figure (included), 6 pages, Talk given at the XLIV Cracow School of Theoretical Physics "New results in particle physics", Zakopane, Poland, May 28-June 6, 2004. To be published in proceedings, Acta Physica Polonica B, December 2004
Relativistic Fermi acceleration with shock compressed turbulence
Creators: name: Lemoine, Martin
name: Revenu, Benoit
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This paper presents numerical simulations of test particle Fermi acceleration at relativistic shocks of Lorentz factor Gamma_sh = 2-60, using a realistic downstream magnetic structure obtained from the shock jump conditions. The upstream magnetic field is described as pure Kolmogorov turbulence; the corresponding downstream magnetic field lies predominantly in the plane tangential to the shock surface and the coherence length is smaller along the shock normal than in the tangential plane. Acceleration is nonetheless efficient and leads to powerlaw spectra with index s = 2.6-2.7 at large shock Lorentz factor Gamma_sh >> 1, markedly steeper than for isotropic scattering downstream. The acceleration timescale t_acc in the upstream rest frame becomes a fraction of Larmor time t_L in the ultra-relativistic limit, t_acc ~ 10 t_L/Gamma_sh. Astrophysical applications are discussed, in particular the acceleration in gamma-ray bursts internal and external shocks.
description: 11 pages; 10 figures; submitted to MNRAS
RENT SHARING MECHANISMS IN PRODUCTION ALLIANCES
Creators: name: Cozzarin, Brian P.
name: Westgren, Randall E.
name: Cozzarin, Brian P.
name: Westgren, Randall E.
Publisher: name: Unknown
Year: 2000
Subjects: Industrial Organization
Livestock Production/Industries

description: U.S. hog production has become an industrialized process. New technology has caused the scale of operations to increase, and the organizational form of hog farms to change. One of the new organizational forms can be found in North Carolina and Colorado where vertical integration and/or franchise-like production methods prevail. This type of production may not be possible or appealing to some producers. Instead, they may be able to reap some of the benefits of specialization by forming strategic alliances. The purpose of the paper is to answer the question: is it possible to create the same sort of control mechanisms in a production alliance that exist in a vertically integrated firm? Production risk is potentially one of the greatest problems in an alliance. We represent production risk with two measurements of performance - pig weight, and pig mortality. We find that high mortality has severe consequences for pig production. But, with appropriate rent allocation mechanisms, the member who causes under-production will be forced to bear most of the consequences.
Solute hydrogen and deuterium observed at the near atomic scale in high-strength steel
Creators: name: Breen, Andrew J.
name: Stephenson, Leigh T.
name: Sun, Binhan
name: Li, Yujiao
name: Kasian, Olga
name: Raabe, Dierk
name: Herbig, Michael
name: Gault, Baptiste
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Observing solute hydrogen (H) in matter is a formidable challenge, yet, enabling quantitative imaging of H at the atomic-scale is critical to understand its deleterious influence on the mechanical strength of many metallic alloys that has resulted in many catastrophic failures of engineering parts and structures. Here, we report on the APT analysis of hydrogen (H) and deuterium (D) within the nanostructure of an ultra-high strength steel with high resistance to hydrogen embrittlement. Cold drawn, severely deformed pearlitic steel wires (Fe-0.98C-0.31Mn-0.20Si-0.20Cr-0.01Cu-0.006P-0.007S wt.%, ε=3.1) contains cementite decomposed during the pre-deformation of the alloy and ferrite. We find H and D within the decomposed cementite, and at some interfaces with the surrounding ferrite. To ascertain the origin of the H/D signal obtained in APT, we explored a series of experimental workflows including cryogenic specimen preparation and cryogenic-vacuum transfer from the preparation into a state-of-the-art atom probe. Our study points to the critical role of the preparation, i.e. the possible saturation of H-trapping sites during electrochemical polishing, how these can be alleviated by the use of an outgassing treatment, cryogenic preparation and transfer prior to charging. Accommodation of large amounts of H in the under-stoichiometric carbide likely explains the resistance of pearlite against hydrogen embrittlement.
Impact of Dark Matter Substructure on the Matter and Weak Lensing Power Spectra
Creators: name: Hagan, Bradley
name: Ma, Chung-Pei
name: Kravtsov, Andrey V.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We explore the effect of substructure in dark matter halos on the power spectrum and bispectrum of matter fluctuations and weak lensing shear. By experimenting with substructure in a cosmological N = 512^3 simulation, we find that when a larger fraction of the host halo mass is in subhalos, the resulting power spectrum has less power at 1 < k < 100 h Mpc^{-1} and more power at k > 100 h Mpc^{-1}. We explain this effect using an analytic halo model including subhalos, which shows that the 1 < k < 100 h Mpc^{-1} regime depends sensitively on the radial distribution of subhalo centers while the interior structure of subhalos is important at k > 100 h Mpc^{-1}. The corresponding effect due to substructures on the weak lensing power spectrum is up to about 11% at angular scale l < 10^4. Predicting the nonlinear power spectrum to a few percent accuracy for future surveys would therefore require large cosmological simulations that also have exquisite numerical resolution to model accurately the survivals of dark matter subhalos in the tidal fields of their hosts.
description: 5 pages, 4 figures; Accepted for publication in ApJ; minor revisions, expanded most sections
Revisiting the annihilation decay $\bar{B}_{s}\toπ^{+}π^{-}$
Creators: name: Yang, Ya-Dong
name: Su, Fang
name: Lu, Gong-Ru
name: Hao, Hong-Jun
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: It is very important to know the strength of annihilation contribution in B charmless nonleptonic decays. $\bar{B}_{s}\to π^{+}π^{-}$ process could serve a good probe of the strength. We have studied the process in QCD factorization framework. Using a gluon mass scale indicted by the studies of infrared behavior of gluon propagators to avoid enhancements in the soft end point regions, we find that the CP averaged branching ratio is about $1.24\times 10^{-7}$, the direct CP asymmetry $C_{ππ}$ is about -0.05, while the mixing-induced CP asymmetry quite large with the value $S_{ππ}$=0.18. The process could be measured at LHC-b experiments in the near future and would deepen our understanding of dynamics of B charmless decays.
description: 9 pages, 3 eps figures. To appear in EPJC
Additional file 1 of Insights from qualitative research on NAFLD awareness with a cohort of T2DM patients: time to go public with insulin resistance?
Creators: name: Alemany-Pagès, Mireia
name: Moura-Ramos, Mariana
name: Araújo, Sara
name: Macedo, Maria Paula
name: Ribeiro, Rogério T.
name: Ó, Dulce Do
name: Ramalho-Santos, João
name: Azul, Anabela Marisa
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology

description: Additional file 1 Semi-structured interview guide
COMPLIANCE TO HACCP AND COMPETITIVENESS OF OMAN FISH PROCESSING
Creators: name: Zaibet, Lokman
name: Zaibet, Lokman
Publisher: name: Unknown
Year: 2000
Subjects: Food Consumption/Nutrition/Food Safety

description: Exports of fish products are very important for the Sultanate of Oman to diversify sources of income and achieve higher standards of living to fishermen. In the past government regulations and support were sufficient to reach markets such as the European Union and the United States. During the last decade, however, there has been more focus on the application of more stringent quality regulations according to international norms namely Hazard Analysis Critical Control Point (HACCP). This paper investigates the perception and compliance of Oman fish companies to HACCP and consequences for corporate success and competitiveness. The paper provides and overview of international and national fish market regulations and the development of seafood regulations in Oman. It also develops an empirical framework to investigate empirically the relation between the adoption of international quality control procedures and success in export markets using an export penetration index. The paper findings show that up to 1998, Oman fish quality regulations differ in scope and objectives from HACCP. For instance, there is no requirement of plant-level quality management system equivalent to HACCP. Also, Oman regulations were based on regular inspections by government agents whereas HACCP is a system-based approach aiming at reducing repeated inspections. Empirical results support the hypothesis put forward; variables reflecting on the quality of fish products, that is, HACCP and sanitation were found to be positively correlated to the export index.
On the formal structure of logarithmic vector fields
Creators: name: Granger, Michel
name: Schulze, Mathias
Publisher: name: arXiv
Year: 2004
Subjects: subject: Algebraic Geometry (math.AG)
subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: 32S65; 32S20; 14F40; 17B66

description: In this article, we prove that a free divisor in a three dimensional complex manifold must be Euler homogeneous in a strong sense if the cohomology of its complement is the hypercohomology of its logarithmic differential forms. F.J. Calderon-Moreno et al. conjectured this implication in all dimensions and proved it in dimension two. We prove a theorem which describes in all dimensions a special minimal system of generators for the module of formal logarithmic vector fields. This formal structure theorem is closely related to the formal decomposition of a vector field by Kyoji Saito and is used in the proof of the above result. Another consequence of the formal structure theorem is that the truncated Lie algebras of logarithmic vector fields up to dimension three are solvable. We give an example that this may fail in higher dimensions.
description: 13 pages
BUYER PREFERENCES FOR DURUM WHEAT: A STATED PREFERENCE APPROACH
Creators: name: Lee, Mimi
name: Lerohl, Mel L.
name: Unterschultz, James R.
name: Lee, Mimi
name: Lerohl, Mel L.
name: Unterschultz, James R.
Publisher: name: Unknown
Year: 2000
Subjects: Crop Production/Industries
Demand and Price Analysis

description: The central issue addressed in this paper is the attributes preferred by a sample of buyers of durum wheat grown in Canada. Primary emphasis is the value placed on certain visual and nonvisual attributes by US buyers of durum wheat. In addition, a source variable in the analysis is used to test preferences of US buyers for US-source compared to Canadian-source durum. The latter is a method to test whether durum millers in the US believe that Canadian durum is a superior product, a view widely-held in the Canadian grain trade. Results indicate that higher bushel weight has a positive effect on purchase probability, and appears to be more important to buyers' purchasing decision than protein content, amylase content, or the choice between no. 1 and no. 2 grade. US millers in the study are shown either a) to prefer US-grown durum over that from Canada, or b) to dislike the single desk seller arrangement involved in purchasing Canadian durum. It appears that US managers who grow or market durum wheat have a competitive edge over their Canadian competitors when marketing to US-based durum users.
Differentiable Manifold Reconstruction for Point Cloud Denoising
Creators: name: Luo, Shitong
name: Hu, Wei
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: 3D point clouds are often perturbed by noise due to the inherent limitation of acquisition equipments, which obstructs downstream tasks such as surface reconstruction, rendering and so on. Previous works mostly infer the displacement of noisy points from the underlying surface, which however are not designated to recover the surface explicitly and may lead to sub-optimal denoising results. To this end, we propose to learn the underlying manifold of a noisy point cloud from differentiably subsampled points with trivial noise perturbation and their embedded neighborhood feature, aiming to capture intrinsic structures in point clouds. Specifically, we present an autoencoder-like neural network. The encoder learns both local and non-local feature representations of each point, and then samples points with low noise via an adaptive differentiable pooling operation. Afterwards, the decoder infers the underlying manifold by transforming each sampled point along with the embedded feature of its neighborhood to a local surface centered around the point. By resampling on the reconstructed manifold, we obtain a denoised point cloud. Further, we design an unsupervised training loss, so that our network can be trained in either an unsupervised or supervised fashion. Experiments show that our method significantly outperforms state-of-the-art denoising methods under both synthetic noise and real world noise. The code and data are available at https://github.com/luost26/DMRDenoise
description: This work has been accepted to ACM MM 2020
MARKET ADJUSTMENT INSIGHTS: PRIMARY VS. SECONDARY DATA
Creators: name: Hornung, Jonathan T.
name: Ward, Clement E.
name: Hornung, Jonathan T.
name: Ward, Clement E.
Publisher: name: Unknown
Year: 2004
Subjects: Industrial Organization

description: Producers, researchers, and policy makers have an interest in market effects from meatpacking plant closings and openings. This paper presents results from a study taking a dual approach to determining impacts from an anticipated hog slaughtering plant opening and an unexpected fed cattle slaughtering plant closing. Secondary data are used in a price differences and partial adjustment model. Primary data are used in a logit model. Results indicate a clearer price effect from the plant opening than the plant closing. Primary data provide additional insight into the dynamics related to the two plant events.
On graviton production in braneworld cosmology
Creators: name: Cartier, Cyril
name: Durrer, Ruth
name: Ruser, Marcus
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study braneworlds in a five dimensional bulk, where cosmological expansion is mimicked by motion through AdS$_5$. We show that the five dimensional graviton reduces to the four dimensional one in the late time approximation of such braneworlds. Inserting a fixed regulator brane far from the physical brane, we investigate quantum graviton production due to the motion of the brane. We show that the massive Kaluza-Klein modes decouple completely from the massless mode and they are not generated at all in the limit where the regulator brane position goes to infinity. In the low energy limit, the massless four dimensional graviton obeys the usual 4d equation and is therefore also not generated in a radiation-dominated universe.
description: 9 pages, minor changes, references corrected
WATER USERS ASSOCIATIONS IN ARMENIA: CURRENT SITUATION AND FUTURE TRENDS
Creators: name: Alaverdyan, Arusyak
name: Houston, Jack E.
name: Alaverdyan, Arusyak
name: Houston, Jack E.
Publisher: name: Unknown
Year: 2004
Subjects: Institutional and Behavioral Economics
Resource /Energy Economics and Policy

description: Experiences of Water Consumers Cooperatives accumulated in Armenia during the past six years have been mixed. Some cooperatives have provided evidence of being capable of organizing themselves and responding to the needs of their members more effectively than any central governmental organization. However, many other aspects are still unresolved. Created in 2001, the State Committee for Water Economy (SCWE) agreed recently to follow a more participatory approach in establishment of Water Users Associations and, on the basis of positive experiences worldwide, SCWE is willing also to scale up the process to the level of Water Users Federations.
Additional file 2 of Insights from qualitative research on NAFLD awareness with a cohort of T2DM patients: time to go public with insulin resistance?
Creators: name: Alemany-Pagès, Mireia
name: Moura-Ramos, Mariana
name: Araújo, Sara
name: Macedo, Maria Paula
name: Ribeiro, Rogério T.
name: Ó, Dulce Do
name: Ramalho-Santos, João
name: Azul, Anabela Marisa
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology

description: Additional file 2. SRQR Checklist
TARIFF RATE IMPORT QUOTAS, DOMESTIC MARKET STRUCTURE AND AGRICULTURAL SUPPORT PROGRAM: THE CASE OF TAIWANESE RICE IMPORT
Creators: name: Chang, Hung-Hao
name: De Gorter, Harry
name: Chang, Hung-Hao
name: De Gorter, Harry
Publisher: name: Unknown
Year: 2004
Subjects: subject: Agricultural and Food Policy
subject: International Relations/Trade
subject: tariff rate quota
subject: strategic alliance
subject: domestic support
subject: market structure

description: After joining the WTO in 2002, Taiwan allowed rice imports for the first time by implementing an import quota subject to a special safeguard tariff. In 2003, the import quota was expanded to a two-tier tariff rate import quota system. Although Taiwan maintained land set-asides and domestic support prices for producer sales to the State Trading Enterprise, the latter was limited to importing only 65 percent of the import quota with the rest sold to private traders. This sudden transformation of the Taiwanese import regime and rice market along with the government proposal for a "strategic alliance" amongst traders highlights the importance of studying the effects of policy reforms in the framework of imperfect domestic market structure. The purpose of this paper is to analyze Taiwanese rice policy reforms using a computational partial equilibrium model. The impact of import controls, price supports, land set-aside and alternative market structures are assessed, including the potential change in regimes within the tariff quota system. Our results show that the "strategic alliance" proposed by the agricultural authority will further distort the domestic market. Elimination of the domestic support price and land set-aside improves social welfare independent of the market structure while a change in the market structure towards competition is always social welfare improving regardless of domestic policy instruments. But the policy regime of the tariff quota (the in-quota tariff versus the out-of-quota tariff versus the quota) and hence social welfare is sensitive to changes in both domestic policy instruments and market structure.
GROWTH CONVERGENCE IN SOUTH AMERICA
Creators: name: Bittencourt, Maurício Vaz Lobo
name: Bittencourt, Maurício Vaz Lobo
Publisher: name: Unknown
Year: 2004
Subjects: Institutional and Behavioral Economics

description: This study analyzed the influence of structural change on GDP convergence in Argentina, Brazil and Uruguay (ABU) in the context of a Keynesian model with balance of payments constraints. Empirical evidence suggested that income and structural convergence were associated in the post-II World War period. The differences in industrial and economic policies in ABU may have contributed to explain the intensity of the process of structural change in these countries. ABU exhibited a different ability to reshape their institutions with a view to encouraging industrial transformation. The Brazilian industrial policy seems to have been more efficient in promoting structural convergence.
STAR $ρ^0/π^-$ Ratio in Au-Au Peripheral Collisions at RHIC and the Vector Manifestation of Hidden Local Symmetry
Creators: name: Brown, G. E.
name: Lee, Chang-Hwan
name: Rho, Mannque
Publisher: name: arXiv
Year: 2005
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The hidden local symmetry effective theory, Wilsonian matched to QCD at a matching scale near the chiral scale $\sim 4πf_π$ as formulated by Harada and Yamawaki, presents a scenario drastically different from the standard scenario of heavy-ion collisions in that as the temperature approaches the critical temperature $T_c$ of chiral restoration from below, the mass of the vector mesons and their widths go to zero in the chiral limit or nearly zero otherwise, proportionally to some power of the quark condensate at what is called "vector manifestation (VM) fixed point". This scenario makes a striking prediction that as the fire-ball expands and cools from $T_c$ down toward the freezeout temperature $T_{freezeout}$ in heavy ion collisions, what we call "hadronic freedom" sets in in which hadrons do not interact or barely interact. We suggest that this scenario is testable at RHIC and as a specific example, we provide an astonishingly simple explanation in terms of the vector manifestation suitably extended to include axial-vector mesons for the anomalously large $ρ^0/π^-$ ratio measured in peripheral collisions by STAR.
description: 4 pages, no figures
BENEFITS OF CONTROLLING SALINE WATER IN COLORADO
Creators: name: Ellingson, Lindsey
name: Houk, Eric E.
name: Schuck, Eric C.
name: Frasier, W. Marshall
name: Ellingson, Lindsey
name: Houk, Eric E.
name: Schuck, Eric C.
name: Frasier, W. Marshall
Publisher: name: Unknown
Year: 2004
Subjects: Environmental Economics and Policy

description: The Arkansas River in Colorado is confronted with a salinity issue; the majority of this salinity problem is due to agricultural runoff caused by irrigation. Reducing applications of irrigation water through adoption of more technically efficient irrigation systems is one means of improving water quality in the Arkansas River basin. This research uses positive mathematical programming to model the cropping practices of the farms along the Arkansas River. It examines the affect of acreage and profit levels of these farms given the choice of changing their irrigation technologies.
On the RKKY range function of a one dimensional non interacting electron gas
Creators: name: Giuliani, Gabriele F.
name: Vignale, Giovanni
name: Datta, Trinanjan
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We show that the pitfalls encountered in earlier calculations of the RKKY range function for a non interacting one dimensional electron gas at zero temperature can be unraveled and successfully dealt with through a proper handling of the impurity potential.
description: to appear in Phys. Rev
Additional file 1 of Validation of a German version of the Caregiver Quality of Life Index-Cancer (CQOLC) in a sample of significant others of breast and gynaecologic cancer patients
Creators: name: Ehmann, Anna Tamara
name: Mahler, Cornelia
name: Klafke, Nadja
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 1. Item wording of the original CQOLC and the German version.
Influence of molecular temperature on the coherence of fullerenes in a near-field interferometer
Creators: name: Hornberger, Klaus
name: Hackermueller, Lucia
name: Arndt, Markus
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study C70 fullerene matter waves in a Talbot-Lau interferometer as a function of their temperature. While the ideal fringe visibility is observed at moderate molecular temperatures, we find a gradual degradation of the interference contrast if the molecules are heated before entering the interferometer. A method is developed to assess the distribution of the micro-canonical temperatures of the molecules in free flight. This way the heating-dependent reduction of interference contrast can be compared with the predictions of quantum theory. We find that the observed loss of coherence agrees quantitatively with the expected decoherence rate due to the thermal radiation emitted by the hot molecules.
description: 11 pages, 9 figures