cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Niveles de participación en la pequeña agricultura ¿De qué depende que los productores se involucren en sus organizaciones?
Creators: name: Jaime, Monica
name: Salazar, Cesar
name: Araya, Sergio
name: Vergara, Juan
name: Jaime, Monica
name: Salazar, Cesar
name: Araya, Sergio
name: Vergara, Juan
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agricultural and Food Policy
subject: Labor and Human Capital
subject: participation levels
subject: social capital
subject: small farmers
subject: Ordered Probit.

description: 'This paper aims to analyze participation’s levels in small farmers addressing this issue through social capital approach. In order to reach this objetive, a set of information was collected from several organizations which are supported by PRODESAL program in Coihueco (Biobio Region). An Ordered Probit model was used to estimate the factors that determine participation’s levels. Econometric results point out that higher schooling levels determine higher participation’s levels which could be linked with social and negotiation skills. Moreover, it was found that individuals whose family participates in organizations, families that incur in higher monthly expenses and who show fewer tendencies to mobility, have a higher probability to participate within their organizations. Finally, trust in other organization members, in the government management and in the organization’s leaders, as well as perception that decisions that are taken in meetings are considered by the authorities, have positive effects in participation’s levels.
description: Published by Asociación de Economistas Agrarios de Chile
The family of amide molecules toward NGC 6334I
Creators: name: Ligterink, Niels F. W.
name: El-Abd, Samer J.
name: Brogan, Crystal L.
name: Hunter, Todd R.
name: Remijan, Anthony J.
name: Garrod, Robin T.
name: McGuire, Brett M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Amide molecules produced in space could play a key role in the formation of biomolecules on a young planetary object. However, the formation and chemical network of amide molecules in space is not well understood. In this work, ALMA observations are used to study a number of amide(-like) molecules toward the high-mass star-forming region NGC 6334I. The first detections of cyanamide (NH$_{2}$CN), acetamide (CH$_{3}$C(O)NH$_{2}$) and N-methylformamide (CH$_{3}$NHCHO) are presented for this source. These are combined with analyses of isocyanic acid (HNCO) and formamide (NH$_{2}$CHO) and a tentative detection of urea (carbamide; NH$_{2}$C(O)NH$_{2}$). Abundance correlations show that most amides are likely formed in related reactions occurring in ices on interstellar dust grains in NGC 6334I. However, in an expanded sample of sources, large abundance variations are seen for NH$_{2}$CN that seem to depend on the source type, which suggests that the physical conditions within the source heavily influence the production of this species. The rich amide inventory of NGC 6334I strengthens the case that interstellar molecules can contribute to the emergence of biomolecules on planets.
description: Accepted for publication in The Astrophysical Journal
Additional file 1 of Reach out behavioral intervention for hypertension initiated in the emergency department connecting multiple health systems: study protocol for a randomized control trial
Creators: name: Meurer, William J.
name: Dinh, Mackenzie
name: Kidwell, Kelley M.
name: Flood, Adam
name: Champoux, Emily
name: Whitfield, Candace
name: Trimble, Deborah
name: Cowdery, Joan
name: Borgialli, Dominic
name: Montas, Sacha
name: Cunningham, Rebecca
name: Buis, Lorraine R.
name: Brown, Devin
name: Skolarus, Lesli
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1. Comic book.
Sustainability assessment of olive grove in Andalusia: A methodological proposal
Creators: name: Gomez-Limon, Jose Antonio
name: Riesgo, Laura
name: Gomez-Limon, Jose Antonio
name: Riesgo, Laura
Publisher: name: Unknown
Year: 2010
Subjects: subject: Agricultural and Food Policy
subject: Crop Production/Industries
subject: Environmental Economics and Policy
subject: Farm Management
subject: Land Economics/Use
subject: Production Economics
subject: Olive tree
subject: Sustainability
subject: Indicators

description: Recently the olive sector has had important changes in Andalusia due to both the enlargement and the intensification of farming. The expansion of the olive grove in Andalusia is causing sustainability problems, not only from the socio-economic dimension (profit reduction) but environmental (erosion, water pollution or biodiversity losses). The main objective of this study is to develop a methodology to analyse the sustainability of the olive grove farms in Andalusia. This methodology will allow us to bear with the three dimensions of sustainability (economic, social and environmental) as well as to obtain a precise diagnosis of the olive grove through a selection of a set of indicators. This methodology will be applied in future research works in order to build a basis to help both decision-making processes and implementation of public policies.
Highly photo-stable Perovskite nanocubes: towards integrated single photon sources based on tapered nanofibers
Creators: name: Pierini, Stefano
name: D'Amato, Marianna
name: Goyal, Mayank
name: Glorieux, Quentin
name: Giacobino, Elisabeth
name: Lhuillier, Emmanuel
name: Couteau, Christophe
name: Bramati, Alberto
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The interest in perovskite nanocrystals (NCs) such as CsPbBr$_3$ for quantum applications is rapidly raising, as it has been demonstrated that they can behave as very efficient single photon emitters. The main problem to tackle in this context is their photo-stability under optical excitation. In this article, we present a full analysis of the optical and quantum properties of highly efficient perovskite nanocubes synthesized with an established method, which is used for the first time to produce quantum emitters, and is shown to ensure an increased photostability. These emitters exhibit reduced blinking together with a strong photon antibunching. Remarkably these features are hardly affected by the increase of the excitation intensity well above the emission saturation levels. Finally, we achieve for the first time the coupling of a single perovskite nanocube with a tapered optical nanofiber in order to aim for a compact integrated single photon source for future applications.
High efficiency transfer of quantum information and multi-particle entanglement generation in translation invariant quantum chains
Creators: name: Plenio, Martin B
name: Semiao, Fernando L
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We demonstrate that a translation invariant chain of interacting quantum systems can be used for high efficiency transfer of quantum entanglement and the generation of multi-particle entanglement over large distances and between arbitrary sites without the requirement of precise spatial or temporal control. The scheme is largely insensitive to disorder and random coupling strengths in the chain. We discuss harmonic oscillator systems both in the case of arbitrary Gaussian states and in situations when at most one excitation is in the system. The latter case which we prove to be equivalent to an xy-spin chain may be used to generate genuine multi particle entanglement. Such a 'quantum data bus' may prove useful in future solid state architectures for quantum information processing.
description: 6 pages, 5 figures; multi-particle entanglement generation in added to replaced version; minor typos fixed; references added
Unifying low and high mass star formation through density amplified hubs of filaments
Creators: name: Kumar, M. S. N.
name: Palmeirim, P.
name: Arzoumanian, D.
name: Inutsuka, S. I.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Context: Star formation takes place in giant molecular clouds, resulting in mass-segregated young stellar clusters composed of Sun-like stars, brown dwarves, and massive O-type(50-100\msun) stars. Aims: To identify candidate hub-filament systems (HFS) in the Milky-Way and examine their role in the formation of the highest mass stars and star clusters. Methods: Filaments around ~35000 HiGAL clumps that are detected using the DisPerSE algorithm. Hub is defined as a junction of three or more filaments. Column density maps were masked by the filament skeletons and averaged for HFS and non-HFS samples to compute the radial profile along the filaments into the clumps. Results: ~3700~(11\%) are candidate HFS of which, ~2150~(60\%) are pre-stellar, ~1400~(40\%) are proto-stellar. All clumps with L>10^4 Lsun and L>10^5 Lsun at distances respectively within 2kpc and 5kpc are located in the hubs of HFS. The column-densities of hubs are found to be enhanced by a factor of ~2 (pre-stellar sources) up to ~10 (proto-stellar sources). Conclusions: All high-mass stars preferentially form in the density enhanced hubs of HFS. This amplification can drive the observed longitudinal flows along filaments providing further mass accretion. Radiation pressure and feedback can escape into the inter-filamentary voids. We propose a "filaments to clusters" unified paradigm for star formation, with the following salient features: a) low-intermediate mass stars form in the filaments slowly (10^6yr) and massive stars quickly (10^5yr) in the hub, b) the initial mass function is the sum of stars continuously created in the HFS with all massive stars formed in the hub, c) Feedback dissiption and mass segregation arise naturally due to HFS properties, and c) explain age spreads within bound clusters and formation of isolated OB associations.
description: 20 pages, 17 figures, Accepted by Astronomy and Astrophysics
title: 01_0333
Creators: name: Wesley Baldwin, John
name: Baldwin, John W.
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2018
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: L'ensemble de ces notes ont été crée par John Baldwin lors d'une de ses premières périodes de résidence à Paris. Ces documents comprennent tous les magistri qu’il avait pu rencontrer dans ses sources. Aux XIIème et XIIIème siècles, les universités n'existant pas encore, le titre de magister s'il évoque certainement une compétence n'est pas rattaché de façon systématique au passage par les écoles. De surcroît, les magistris sont le plus souvent désignés par leur seul prénom. La lecture de ces données est donc difficile et suppose un long travail pour tenter d'identifier un individu auquel on pourrait rattacher plusieurs mentions. John Baldwin avait donc renoncé à utiliser ces données pour donner un prolongement à sa magnifique étude sur les gradués d'université et leur emploi par les Capétiens et les Plantagenêts. Néanmoins, il a conservé ces données et elles sont potentiellement très utile dans le cadre de Studium, comme le sont toutes les mentions dans les volumes des Fasti Ecclesiae Gallicanae de chanoines portant ce titre de magister sans autres précisions. L'ampleur des dépouillements rend ces données très utiles et nous devons une grande reconnaissance à John Baldwin pour avoir pris la peine de faire photocopier ses fiches et de nous les avoir transmises amicalement.
Les données ainsi que les images des fiches sont accessibles sur le site Internet à l'adresse suivante : http://studium-baldwin.lamop.fr/.
Les transcriptions des fiches ont été effectuées par des étudiants de Paris 1 Panthéon - Sorbonne mais elles n'ont pas été corrigées par la suite.
description: Relation: https://lamop.hypotheses.org/
Additional file 2 of A multi-centre, pragmatic, three-arm, individually randomised, non-inferiority, open trial to compare immediate orally administered, immediate topically administered or delayed orally administered antibiotics for acute otitis media with discharge in children: The Runny Ear Study (REST): study protocol
Creators: name: Curtis, Kathryn
name: Moore, Michael
name: Cabral, Christie
name: Curcin, Vasa
name: Horwood, Jeremey
name: Morris, Richard
name: Vibhore Prasad
name: Schilder, Anne
name: Turner, Nicholas
name: Wilkes, Scott
name: Hay, Alastair D.
name: Taylor, Jodi
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology
subject: FOS: Biological sciences

description: Additional file 2. The Runny Ear Study parent information sheet.
South Dakota Agricultural Land Market Trends 1991-2011: The 2011 SDSU South Dakota Farm Real Estate Survey
Creators: name: Janssen, Larry
name: Pflueger, Burton
name: Janssen, Larry
name: Pflueger, Burton
Publisher: name: Unknown
Year: 2011
Subjects: subject: Land Economics/Use
subject: ag land
subject: farmland
subject: acreage
subject: cropland
subject: land ownership
subject: land use
subject: land tenure
subject: ranchland
subject: rental rates
subject: cash rent

description: Agricultural land values and cash rental rates in South Dakota, by region and by state, are primary topics of this report. The target audience are farmers and ranchers, landowners, ag professionals (lenders, rural appraisers, professional farm managers), and policy makers interested in ag land market trends. This report contains results of the 2011 Farm Real Estate Market Survey, the 21st annual SDSU survey developed to estimate ag land values and cash rental rates by land use in different regions of South Dakota.
Renewal theory and computable convergence rates for geometrically ergodic Markov chains
Creators: name: Baxendale, Peter H.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60J27 (Primary) 60K05, 65C05. (Secondary)

description: We give computable bounds on the rate of convergence of the transition probabilities to the stationary distribution for a certain class of geometrically ergodic Markov chains. Our results are different from earlier estimates of Meyn and Tweedie, and from estimates using coupling, although we start from essentially the same assumptions of a drift condition toward a ``small set.'' The estimates show a noticeable improvement on existing results if the Markov chain is reversible with respect to its stationary distribution, and especially so if the chain is also positive. The method of proof uses the first-entrance-last-exit decomposition, together with new quantitative versions of a result of Kendall from discrete renewal theory.
description: Published at http://dx.doi.org/10.1214/105051604000000710 in the Annals of Applied Probability (http://www.imstat.org/aap/) by the Institute of Mathematical Statistics (http://www.imstat.org)
title: Методические указания по дисциплине Рынок ценных бумаг
Creators: name: ELS IPR BOOKS
Publisher: name: Московский технический университет связи и информатики
Year: 2014

description: Рынок ценных бумаг - составная часть финансового рынка. Финансовый рынок – это специфическая сфера денежных операций, где объектом сделок являются свободные денежные средства населения, организаций и государства, а также муниципальных образований. Рынок ценных бумаг является одним из основных механизмов аккумулирования и перераспределения инвестиционного капитала в мировой экономике.
Quantum Rayleigh problem and thermocoherent Onsager relations
Creators: name: Pusuluk, Onur
name: Müstecaplıoğlu, Özgür E.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The role of quantum coherence and correlations in heat flow and equilibration is investigated by exploring the Rayleigh's dynamical problem to equilibration in the quantum regime and following Onsager's approach to thermoelectricity. Specifically, we consider a qubit bombarded by two-qubit projectiles from a side. For arbitrary collision times and initial states, we develop the master equation for sequential and collective collisions. By deriving the Fokker-Planck equation out of the master equation, we identify the quantum version of the Rayleigh's heat conduction equation. We find that quantum discord and entanglement shared between the projectiles can contribute to genuine heat flow only when they are associated with so-called heat-exchange coherences. Analogous to Onsager's use of Rayleigh's principle of least dissipation of energy, we use the entropy production rate to identify the coherence current. Both coherence and heat flows can be written in the form of quantum Onsager relations, from which we predict coherent Peltier and coherent Seebeck effects. The effects can be optimized by the collision times and collectivity. Finally, we discuss some of the possible experimental realizations and technological applications of the thermocoherent phenomena in different platforms.
description: 12 pages, 8 figures. Some sections were moved to the Appendix
Quantum Zeno effect by general measurements
Creators: name: Koshino, K.
name: Shimizu, A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: Nuclear Theory (nucl-th)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: It was predicted that frequently repeated measurements on an unstable quantum state may alter the decay rate of the state. This is called the quantum Zeno effect (QZE) or the anti-Zeno effect (AZE), depending on whether the decay is suppressed or enhanced. In conventional theories of the QZE and AZE, effects of measurements are simply described by the projection postulate, assuming that each measurement is an instantaneous and ideal one. However, real measurements are not instantaneous and ideal. For the QZE and AZE by such general measurements, interesting and surprising features have recently been revealed, which we review in this article. The results are based on the quantum measurement theory, which is also reviewed briefly. As a typical model, we consider a continuous measurement of the decay of an excited atom by a photodetector that detects a photon emitted from the atom upon decay. This measurement is an indirect negative-result one, for which the curiosity of the QZE and AZE is emphasized. It is shown that the form factor is renormalized as a backaction of the measurement, through which the decay dynamics is modified. In a special case of the flat response, where the detector responds to every photon mode with an identical response time, results of the conventional theories are reproduced qualitatively. However, drastic differences emerge in general cases where the detector responds only to limited photon modes. For example, against predictions of the conventional theories, the QZE or AZE may take place even for states that exactly follow the exponential decay law. We also discuss relation to the cavity quantum electrodynamics.
description: 82 pages, 36 figures
Laser-plasma acceleration beyond wave breaking
Creators: name: Palastro, J. P.
name: Malaca, B.
name: Vieira, J.
name: Ramsey, D.
name: Simpson, T. T.
name: Franke, P.
name: Shaw, J. L.
name: Froula, D. H.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: Laser wakefield accelerators rely on the extremely high electric fields of nonlinear plasma waves to trap and accelerate electrons to relativistic energies over short distances. When driven strongly enough, plasma waves break, trapping a large population of the background electrons that support their motion. This limits the maximum electric field. Here we introduce a novel regime of plasma wave excitation and wakefield acceleration that removes this limit, allowing for arbitrarily high electric fields. The regime, enabled by spatiotemporal shaping of laser pulses, exploits the property that nonlinear plasma waves with superluminal phase velocities cannot trap charged particles and are therefore immune to wave breaking. A laser wakefield accelerator operating in this regime provides energy tunability independent of the plasma density and can accommodate the large laser amplitudes delivered by modern and planned high-power, short pulse laser systems.
Examining the efficacy of using a conceptual change approach for fostering high school students’ understanding of biological evolution
Creators: name: Henry, Andrew
Publisher: name: University of British Columbia
Year: 2009

description: The purpose of this study was to investigate the efficacy of a conceptual change teaching approach to an Evolutionary Biology Unit. The study was conducted in a suburb of Vancouver, British Columbia with a class of Grade 11 Biology students. The conceptual change teaching strategy was patterned after the model of Posner, Strike, Hewson, & Gertzog (1982). Student conceptions were identified through the use of two survey instruments given at the beginning and the end of the unit. The findings suggest that students enter the course with a diverse but finite range of conceptions regarding Evolutionary Biology. The findings also suggest that overall the conceptual change unit promoted students' usage of scientific conceptions. One approach that appeared successful was to make the different concepts, scientific versus alternative, explicit to students. Another approach was differentiating between the scientific and everyday meaning of terms. This study also found that alternative conceptions concerning the nature of science are very resistant to change and that teleological thinking is very compelling for students. Finally, it was found that new alternative conceptions emerge after the course which appears to be a commingling of both scientific and alternative conception.
Additional file 3 of A multi-centre, pragmatic, three-arm, individually randomised, non-inferiority, open trial to compare immediate orally administered, immediate topically administered or delayed orally administered antibiotics for acute otitis media with discharge in children: The Runny Ear Study (REST): study protocol
Creators: name: Curtis, Kathryn
name: Moore, Michael
name: Cabral, Christie
name: Curcin, Vasa
name: Horwood, Jeremey
name: Morris, Richard
name: Vibhore Prasad
name: Schilder, Anne
name: Turner, Nicholas
name: Wilkes, Scott
name: Hay, Alastair D.
name: Taylor, Jodi
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology
subject: FOS: Biological sciences

description: Additional file 3. REST study microbiology protocol.
The Economics of Desertification, Land Degradation, and Drought; Toward an Integrated Global Assessment
Creators: name: Nkonya, Ephraim M.
name: Gerber, Nicolas
name: Baumgartner, Philipp
name: Von Braun, Joachim
name: De Pinto, Alessandro
name: Graw, Valerie
name: Kato, Edward
name: Kloos, Julia
name: Walter, Teresa
name: Nkonya, Ephraim M.
name: Gerber, Nicolas
name: Baumgartner, Philipp
name: Von Braun, Joachim
name: De Pinto, Alessandro
name: Graw, Valerie
name: Kato, Edward
name: Kloos, Julia
name: Walter, Teresa
Publisher: name: Unknown
Year: 2011
Subjects: Agricultural Finance
Crop Production/Industries
Environmental Economics and Policy
Land Economics/Use
Resource /Energy Economics and Policy

description: Land degradation has not been comprehensively addressed at the global level or in developing countries. A suitable economic framework that could guide investments and institutional action is lacking. This study aims to overcome this deficiency and to provide a framework for a global assessment based on a consideration of the costs of action versus inaction regarding desertification, land degradation, and drought (DLDD). Most of the studies on the costs of land degradation (mainly limited to soil erosion) give cost estimates of less than 1 percent up to about 10 percent of the agricultural gross domestic product (GDP) for various countries worldwide. But the indirect costs of DLDD on the economy (national income), as well as their socioeconomic consequences (particularly poverty impacts), must be accounted for, too. Despite the numerous challenges, a global assessment of the costs of action and inaction against DLDD is possible, urgent, and necessary. This study provides a framework for such a global assessment and provides insights from some related country studies.
title: Сборник № 3 Описаний лабораторных работ по курсу «Электроника»
Creators: name: ELS IPR BOOKS
Publisher: name: Московский технический университет связи и информатики
Year: 2014

description: Настоящие лабораторные работы выполняются на персональных компьютерах в компьютерных классах лаборатории кафедры «Электроника» МТУСИ. Основой программного обеспечения при этом является программа схемотехнического анализа «Microcap 10 evaluation», т.е. свободно распространяемая версия семейства программ «Microcap». Несмотря на отсутствие в ней многих функций и неполноту библиотек параметров элементов, данная программа является современным и мощным программным средством, успешно используемым в учебном процессе.
The Small-scale Clustering of Luminous Red Galaxies via Cross-Correlation Techniques
Creators: name: Eisenstein, Daniel J.
name: Blanton, Michael
name: Zehavi, Idit
name: Bahcall, Neta
name: Brinkmann, Jon
name: Loveday, Jon
name: Meiksin, Avery
name: Schneider, Don
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the small-scale (0.2h^{-1} to 7h^{-1} Mpc) cross-correlations between 32,000 luminous early-type galaxies and a reference sample of 16 million normal galaxies from the Sloan Digital Sky Survey. Our method allows us to construct the spherically averaged, real-space cross-correlation function between the spectroscopic LRG sample and galaxies from the SDSS imaging. We report the cross-correlation as a function of scale, luminosity, and redshift. We find very strong luminosity dependences in the clustering amplitudes, up to a factor of 4 over a factor of 4 in luminosity, and measure this dependence with high signal-to-noise ratio. The luminosity dependence of bias is found to depend on scale, with more variation on smaller scales. The clustering as a function of scale is not a power law, but instead has a dip at 1h^{-1} Mpc and an excess on small scales. The fraction of red galaxies within the L* sample surrounding LRGs is a strong function of scale, as expected. However, the fraction of red galaxies evolves in redshift similarly on small and large scales, suggesting that cluster and field populations are changing in the same manner. The results highlight the advantage on small scales of using cross-correlation methods as a means of avoiding shot noise in samples of rare galaxies.
description: Accepted for ApJ. LaTeX, 16 pages, 5 figures
Grain growth in newly discovered young eruptive stars
Creators: name: Kóspál, Á.
name: Ábrahám, P.
name: Carmona, A.
name: Chen, L.
name: Green, J. D.
name: van Boekel, R.
name: White, J. A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: FU Orionis-type stars are young stellar objects showing large outbursts due to highly enhanced accretion from the circumstellar disk onto the protostar. FUor-type outbursts happen in a wide variety of sources from the very embedded ones to those with almost no sign of extended emission beyond the disk. The subsequent eruptions might gradually clear up the obscuring envelope material and drive the protostar on its way to become a disk-only T Tauri star. We used VLT/VISIR to obtain the first spectra that cover the 8-13 $μ$m mid-infrared wavelength range in low-resolution of five recently discovered FUors. Four objects from our sample show the 10 $μ$m silicate feature in emission. We study the shape and strength of the silicate feature in these objects and find that they mostly contain large amorphous grains, suggesting that large grains are typically not settled to the midplane in FUor disks. This is a general characteristic of FUors, as opposed to regular T Tauri-type stars whose disks display anything from pristine small grains to significant grain growth. We classify our targets by determining whether the silicate feature is in emission or in absorption, and confront them with the evolutionary scenarios on the dispersal of the envelopes around young stars. In our sample, all Class II objects exhibit silicate emission, while for Class I objects, the appearance of the feature in emission or absorption depends on the viewing angle with respect to the outflow cavity. This highlights the importance of geometric effects when interpreting the silicate feature.
description: 7 pages, 1 table, 3 figures, accepted for publication in the Astrophysical Journal Letters
Phase Structure of Color Superconductivity
Creators: name: Zhuang, Pengfei
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate color superconductivity and chiral symmetry restoration at finite temperature and baryon density in the frame of standard two flavor Nambu--Jona-Lasinio model. We derive the diquark mass in RPA, discuss its constraint on the coupling constant in the diquark channel, and find a strong competition between the two phase transitions when the coupling constant is large enough.
description: Talk presented at Conference on Non-Perturbative Quantum Field Theory: Lattice and Beyond, Guangzhou, China, Dec.16--18, 2004
Artmaking in two Vancouver high schools 1920 to 1950
Creators: name: Stephenson, D. Wendy Louise
Publisher: name: University of British Columbia
Year: 2009

description: This dissertation examines the art learning that students were exposed to within the diverse school cultures at Kitsilano Junior/Senior High School (Kits) and Vancouver Technical School (Van Tech) from 1920 to 1950 in Vancouver, Canada. These cultures shaped the opportunities for various forms of art learning. From 1920 to 1950 Kits was a coed, middle-class junior/senior high school aiming to produce well-rounded citizens prepared to take their place in society or to take further education before starting their career. From 1921 to 1940 Van Tech was an all-boys, primarily working-class high school with a vocational orientation that prepared students to enter a trade; girls taking practical training were included in the school i n September of 1940.1 suggest that issues of gender, class and, to a lesser extent, race shaped the diverse cultures in these two schools and the art learning opportunities the schools provided. Kits offered art courses with the expectation that art would give students a productive avocation, enrich their cultural life, and add to the general refinement of society. At Van Tech, aspects of art learning were embedded in most of their technical courses. Art-related skills were to be utilized in students' future employment in the trades. The different intentions of these two schools affected students' art learning as well as the kinds of art they produced. This study is based primarily on interviews with former students in the schools at the time. It also incorporates an analysis of the text and images in the yearbooks and extant artwork of former Kits and Van Tech students. It describes their art learning experiences alongside those prescribed in British Columbia's art-related textbooks and curriculum documents and in consideration of the pre-service training available to their art teachers through the city's art school. Art media and skills and subject matter in the students' artwork are considered in light of those set out in the official BC art textbooks. Subjects there were largely limited to simple objects from nature and around the home, historical subjects and idealized landscapes, as well as conventionalized, space-filling decorations. The study shows the extent to which concepts of class, gender, and race were embodied in the subject matter of Kits and Van Tech student artwork, especially that appearing i n the school yearbooks. Images show that Kits students looked to their environment primarily to document their adolescent life while Van Tech students depicted people and events from the larger world as well as revealing the increasing industrial concerns of Vancouver as an emerging city. In this way the study shows the extent to which subject matter as well as skills and media were at least in part determined by the diverse nature of the two schools.
Novel polymorphic phase of BaCu2As2: impact of flux for new phase formation in crystal growth
Creators: name: Wu, Hanlin
name: Li, Sheng
name: Wu, Zheng
name: Wang, Xiqu
name: Ofenstein, Gareth A.
name: Kwon, Sunah
name: Kim, Moon J.
name: Chu, Paul C. W.
name: Lv, Bing
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: In this work, we have thoroughly studied the effects of flux composition and temperature on the crystal growth of the BaCu2As2 compound. While Pb and CuAs self-flux produce the well-known α-phase ThCr2Si2-type structure (Z=2), a new polymorphic phase of BaCu2As2 (\b{eta} phase) with a much larger c lattice parameter (Z=10), which could be considered an intergrowth of the ThCr2Si2- and CaBe2Ge2-type structures, has been discovered via Sn flux growth. We have characterized this structure through single-crystal X-ray diffraction, transmission electron microscopy (TEM), and scanning transmission electron microscopy (STEM) studies. Furthermore, we compare this new polymorphic intergrowth structure with the α-phase BaCu2As2 (ThCr2Si2 type with Z=2) and the \b{eta}-phase BaCu2Sb2 (intergrowth of ThCr2Si2 and CaBe2Ge2 types with Z=6), both with the same space group I4/mmm. Electrical transport studies reveal p-type carriers and magnetoresistivity up to 22% at 5 K and under a magnetic field of 7 T. Our work suggests a new route for the discovery of new polymorphic structures through flux and temperature control during material synthesis.
description: 15 pages, 4 figures
Identifying genuine quantum teleportation
Creators: name: Chen, Chia-Kuo
name: Chen, Shih-Hsuan
name: Huang, Ni-Ni
name: Li, Che-Ming
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum teleportation is a method for utilizing quantum measurements and the maximally entangled Einstein-Podolsky-Rosen (EPR) pair to transmit an unknown quantum state. It is well known that all entangled states demonstrate so-called "nonclassical teleportation" that cannot be simulated by the seminal classical measure-prepare strategy. Herein, we propose a new benchmark which reveals that not all nonclassical teleportations are truly quantum-mechanical. Rather, there exists a more robust classical-teleportation model, which includes the measure-prepare mimicry as a special case, that can describe certain nonclassical teleportations. Invalidating such a general classical model indicates genuine quantum teleportation wherein both the pair state and the measurement are truly quantum-mechanical. We prove that EPR steering empowers genuine quantum teleportations, rather than entanglement. The new benchmark can be readily used in practical experiments for ensuring that genuine quantum teleportation is implemented. The results presented herein provide strict criteria for implementing quantum-information processing where genuine quantum teleportation is indispensable.
Brane-worlds and theta-vacua
Creators: name: Khlebnikov, S.
name: Shaposhnikov, M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Reductions from odd to even dimensionalities ($5\to 4$ or $3\to 2$), for which the effective low-energy theory contains chiral fermions, present us with a mismatch between ultraviolet and infrared anomalies. This applies to both local (gauge) and global currents; here we consider the latter case. We show that the mismatch can be explained by taking into account a change in the spectral asymmetry of the massive modes--an odd-dimensional analog of the phenomenon described by the Atiyah-Patodi-Singer theorem in even dimensionalities. The result has phenomenological implications: we present a scenario in which a QCD-like $θ$-angle relaxes to zero on a certain (possibly, cosmological) timescale, despite the absence of any light axion-like particle.
description: 44 pages, 4 figures
Machine Learning-based Cardinality Estimation in DBMS on Pre-Aggregated Data
Creators: name: Woltmann, Lucas
name: Hartmann, Claudio
name: Habich, Dirk
name: Lehner, Wolfgang
Publisher: name: arXiv
Year: 2020
Subjects: subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: Cardinality estimation is a fundamental task in database query processing and optimization. As shown in recent papers, machine learning (ML)-based approaches can deliver more accurate cardinality estimations than traditional approaches. However, a lot of example queries have to be executed during the model training phase to learn a data-dependent ML model leading to a very time-consuming training phase. Many of those example queries use the same base data, have the same query structure, and only differ in their predicates. Thus, index structures appear to be an ideal optimization technique at first glance. However, their benefit is limited. To speed up this model training phase, our core idea is to determine a predicate-independent pre-aggregation of the base data and to execute the example queries over this pre-aggregated data. Based on this idea, we present a specific aggregate-enabled training phase for ML-based cardinality estimation approaches in this paper. As we are going to show with different workloads in our evaluation, we are able to achieve an average speedup of 63 with our aggregate-enabled training phase.
description: 10 pages, technical report
title: 3D Poitiers évolution : de l’archéologie à l’image virtuelle
title: 3D Poitiers Evolution: from archaeology to virtual imagery
Creators: name: Gerber, Frédéric
name: Stefanon, Laurence
Publisher: name: Institut National de Recherches Archéologiques Préventives
publisherIdentifier: https://ror.org/04andmq85
publisherIdentifierScheme: ROR
Year: 2018

description: Le projet “Poitiers 3D” a été réalisé par la ville de Poitiers, en partenariat avec l’Inrap et la Drac Poitou-Charentes. Les découvertes archéologiques réalisées lors des grands travaux de restructuration du centre-ville de Poitiers (Vienne), entre 2010 et 2012, ont débouché sur un projet de visite historique virtuelle diachronique, utilisant la technologie de la réalité augmentée. La première phase réalisée en partenariat avec l’Inrap a nécessité un travail constant entre infographiste 3D et archéologues. Les étapes majeures de cette réalisation sont présentées dans ce poster.
description: The “Poitiers 3D” project was carried out by the city of Poitiers, in partnership with Inrap and the Drac Poitou-Charentes. The archaeological discoveries made during the major redevelopment works in the city center of Poitiers (Vienne), between 2010 and 2012, led to the creation of a diachronic virtual historical tour project, using augmented reality technology. The first phase, realized in partnership with Inrap, required continuous collaboration between 3D graphic designers and archaeologists. The major stages of this achievement are presented in this poster.
On maximum likelihood estimation of the extreme value index
Creators: name: Drees, Holger
name: Ferreira, Ana
name: de Haan, Laurens
Publisher: name: arXiv
Year: 2004
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 62G32 (Primary) 62G20. (Secondary)

description: We prove asymptotic normality of the so-called maximum likelihood estimator of the extreme value index.
READING and FEELING: the effects of a literature-based intervention designed to increase emotional competence in second and third graders
Creators: name: Kumschick, Irina R.
name: Beck, Luna
name: Eid, Michael
name: Witte, Georg
name: Klann-Delius, Gisela
name: Heuser, Isabella
name: Steinlein, Rüdiger
name: Menninghaus, Winfried
Publisher: name: Humboldt-Universität zu Berlin
Year: 2014
Subjects: subject: emotional competence
subject: emotion understanding and knowledge
subject: literature-based intervention
subject: after-school care center
subject: second and third graders
subject: 150 Psychologie

description: Emotional competence has an important influence on development in school. We hypothesized that reading and discussing children’s books with emotional content increases children’s emotional competence. To examine this assumption, we developed a literature-based intervention, named READING and FEELING, and tested it on 104 second and third graders in their after-school care center. Children who attended the same care center but did not participate in the emotion-centered literary program formed the control group (n = 104). Our goal was to promote emotional competence and to evaluate the effectiveness of the READING and FEELING program. Emotional competence variables were measured prior to the intervention and 9 weeks later, at the end of the program. Results revealed significant improvements in the emotional vocabulary, explicit emotional knowledge, and recognition of masked feelings. Regarding the treatment effect for detecting masked feelings, we found that boys benefited significantly more than girls. These findings underscore the assumption that children’s literature is an appropriate vehicle to support the development of emotional competence in middle childhood.
Additional file 1 of Dual versus mono antiplatelet therapy for acute non- cardio embolic ischemic stroke or transient ischemic attack, an efficacy and safety analysis - updated meta-analysis
Creators: name: Albay, Christessa Emille Que
name: Leyson, Frederick Gavril D.
name: Federick C. Cheng
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Sociology
subject: FOS: Sociology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Additional file 1.
Taming GANs with Lookahead-Minmax
Creators: name: Chavdarova, Tatjana
name: Pagliardini, Matteo
name: Stich, Sebastian U.
name: Fleuret, Francois
name: Jaggi, Martin
Publisher: name: arXiv
Year: 2020
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Generative Adversarial Networks are notoriously challenging to train. The underlying minmax optimization is highly susceptible to the variance of the stochastic gradient and the rotational component of the associated game vector field. To tackle these challenges, we propose the Lookahead algorithm for minmax optimization, originally developed for single objective minimization only. The backtracking step of our Lookahead-minmax naturally handles the rotational game dynamics, a property which was identified to be key for enabling gradient ascent descent methods to converge on challenging examples often analyzed in the literature. Moreover, it implicitly handles high variance without using large mini-batches, known to be essential for reaching state of the art performance. Experimental results on MNIST, SVHN, CIFAR-10, and ImageNet demonstrate a clear advantage of combining Lookahead-minmax with Adam or extragradient, in terms of performance and improved stability, for negligible memory and computational cost. Using 30-fold fewer parameters and 16-fold smaller minibatches we outperform the reported performance of the class-dependent BigGAN on CIFAR-10 by obtaining FID of 12.19 without using the class labels, bringing state-of-the-art GAN training within reach of common computational resources.
Transforming through education-in-Literature : a Hermeneutics of human Be(com)ing
Creators: name: Javed, Sohaila
Publisher: name: University of British Columbia
Year: 2009

description: This collective of essays offers a cross-cultural exchange of ideas and ideals from East and West, and interdisciplinary experiences as a stepping stone to that "dialogue of civilizations" (Giri, 2002) needed today as antidote to minimalist monoculture. This thesis happens when one takes seriously the problem of human life and human relationships, and sees the problem of ego as the central disturbance in the human condition. Its educating Acts pirouette us throughout around the transforming question: What Is to be Done in Education that sustains the possibility of life and peaceful coexistence of all human beings? This conceptual study uses hermeneutics as a creative orientation, and explores the possibility offered by Heidegger's Become what you are. Inviting the spirit of Education for the Selfdevelopment of human individuals with humanity as a praxial engagement for educational disciplines, this aspirant brings Self under focus, and in the realm of othering that assists our understanding of human meaningfulness. This makes intelligible the ethical demand for the healthy human Relations that are the passionate subject of literature and poetry. The recovery of these phenoms of educative culture, as a rich creative resource, is the kind that Gadamer, Ricoeur, and Huebner had seen as an imago to hermeneutics and, with anxious beqarari, sees Literature as the culturing humanistic pedagogy in the service of human transformation. As a solemn offering to Education, this inquiry asks educators worldwide to acknowledge that all our pedagogy is ultimately an act of the feeling heart evoked in artful commitment to knowing oneself and one another. It charts the pathway of aesthetic ethics that mobilizes a spiritual supplement of embracing all others in human intimacy, and presents multiplural text that has "Interdisciplinary experiences; many forms of expression; poetry and its visual interpretation; interpretations of Literature and experience of literature; narrative, autobiography and biographies; conversations and collaborative actions; multilingual exchanges; many language displays that characterize art and artistic forms, and are the heart of compassionate communication praxis". Speaking the language of poetry to the large human community, this inquiry seeks Transforming through education-in-Literature with unique human Be(com)ing in the birth, self-realization, and affirmation of humanity.