cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Strongly correlated multi-impurity models: The crossover from a single-impurity problem to lattice models
Creators: name: Eickhoff, Fabian
name: Anders, Frithjof B.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We present a mapping of correlated multi-impurity Anderson models to a cluster model coupled to a number of effective conduction bands capturing its essential low-energy physics. The major ingredient is the complex single-particle self energy matrix of the uncorrelated problem that encodes the influence to the host conduction band onto the dynamics of a set of correlated orbitals. While the real part of the self-energy matrix generates an effective hopping between the cluster orbitals, the imaginary part determines the coupling to the effective conduction bands in the mapped model. The rank of the imaginary part determines the number of independent screening channels of the problem, and allows the replacement of the phenomenological exhaustion criterion by a rigorous mathematical statement. This rank provides a distinction between multi-impurity models of first kind and of second kind. For the latter, there are insufficient screening channels available, so that a singlet ground state must be driven by the inter-cluster spin correlations. This classification provides a fundamental answer to the question of why ferromagnetic correlations between local moments are irrelevant for the spin compensated ground state in dilute impurity models, whereas they compete with the Kondo-scale in dense impurity arrays, without evoking a spin density wave. The low-temperature physics of three examples taken from the literature are deduced from the analytic structure of the mapped model, demonstrating the potential power of this approach. NRG calculations are presented for up to five site cluster. We investigate the appearance of frustration induced non-Fermi liquid fixed points in the trimer, and demonstrate the existence of several critical points of KT type at which ferromagnetic correlations suppress the screening of an additional effective spin-$1/2$ degree of freedom.
title: 01_1919
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/
Potencjał podaży w kontekście wprowadzenia nowego produktu regionalnego „Wołowina Sudecka”
Creators: name: Minta, Stanisław
name: Tańska-Hus, Bożena
name: Nowak, Marek
name: Minta, Stanisław
name: Tańska-Hus, Bożena
name: Nowak, Marek
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Crop Production/Industries
subject: Demand and Price Analysis
subject: Environmental Economics and Policy
subject: Farm Management
subject: Financial Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Food Security and Poverty
subject: Health Economics and Policy
subject: Industrial Organization
subject: Institutional and Behavioral Economics
subject: International Development
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Political Economy
subject: Production Economics
subject: Productivity Analysis
subject: Public Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Research Methods/ Statistical Methods
subject: Resource /Energy Economics and Policy
subject: Risk and Uncertainty
subject: Teaching/Communication/Extension/Profession
subject: supply
subject: beef
subject: regional product

description: The paper deals with the issues related to the supply side of the launch of a new regional product “Wołowina Sudecka” (Sudeten beef). This product is to be produced from cattle in the utility type of meat and combined, which is kept in the Sudeten counties. The results helped to determine that, in the surveyed area, in 2010 over 38 thousand of cattle were maintained. For this over 66% was in milk type, and the remaining part were cattle in meat and combined type of utility. The best meat comes from meat and combined type, so this type of cattle was selected for detailed analysis, and determination the potential supply of cooking beef. As a result of the work, it was identified that in the chosen area the potential supply of cooking beef is about 589 tons per year. The idea of introducing the analysed regional product to the market should be considered as valuable, because there is an adequate supply potential, and many benefits for local communities, business and tourists can result from it.
Transport of Entanglement Through a Heisenberg-XY Spin Chain
Creators: name: Subrahmanyam, V.
name: Lakshminarayan, Arul
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The entanglement dynamics of spin chains is investigated using Heisenberg-XY spin Hamiltonian dynamics. The various measures of two-qubit entanglement are calculated analytically in the time-evolved state starting from initial states with no entanglement and exactly one pair of maximally-entangled qubits. The localizable entanglement between a pair of qubits at the end of chain captures the essential features of entanglement transport across the chain, and it displays the difference between an initial state with no entanglement and an initial state with one pair of maximally-entangled qubits.
description: 5 Pages. 3 Figures
Stemonitopsis gracilis Nann.
Creators: name: Kryvomaz, Tetiana
name: Michaud, Alain
name: Stephenson, Steven L.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Protozoa
Mycetozoa
Myxomycetes
Stemonitales
Stemonitidaceae
Stemonitopsis
Stemonitopsis gracilis

description: * Stemonitopsis gracilis (G. Lister) Nann. -Bremek. (1 FC, 1 loc, 1 ps)
 Loc. 42b La Digue: On dead wood of Calophyllum inophyllum, AM2946, TK2509.
description: Published as part of Kryvomaz, Tetiana, Michaud, Alain & Stephenson, Steven L., 2020, Myxomycete biodiversity on five islands of the Seychelles, pp. 201-244 in Zootaxa 4851 (2) on page 242, DOI: 10.11646/zootaxa.4851.2.1, http://zenodo.org/record/4407410
title: How does the use of mobile phones by 16-24 year old socially excluded women affect their capabilities?
Creators: name: Faith, Rebecca
Publisher: name: The Open University
Year: 2016

description: This research looks at the impact of mobile phone use on the lives and opportunities of 16-24 year-old socially excluded women, using a novel, cross-disciplinary framework of the capability approach and affordances. Fieldwork took the form of semi-structured interviews in 2013-14 with 30 women between the ages of 16-24, and four youth workers. The instrumental affordances of mobile phones are examined to understand whether they provide a means to address issues relating to work, health, education and housing. The impact of the maintenance and communicative affordances of mobile phones on women’s lives and relationships is also critically examined. The fieldwork showed that respondents were making limited use of instrumental affordances to address issues of social exclusion. Poverty impacted on women’s mobile phone use: they lacked funds to repair their phones and experienced intermittent connectivity. Respondents were often paying a high proportion of their income for their mobile phones, going over call limits and breaking contracts. Mobile phones were contributing to a ‘digitally gendered’ identity, including technology-facilitated sexual harassment and gendered communicative practices. Economic and social circumstances meant that half of respondents were reliant on these devices for their Internet connection, and thus for a wide range of instrumental purposes. This demonstrates the value of research on women’s use of mobile phones that is alive not just to gendered technology use, but also to structural issues of class and poverty. This study shows the strength of cross-disciplinary approaches to studies on the social effects of inequalities of access to digital tools, particularly in the use of theories from the field of human computer interaction to ‘materialise’ understanding of the relationship between social and digital exclusion. It also makes a significant contribution to knowledge on the use of mobile phones by socially excluded young women in the UK.
Stroke-related knowledge, behaviors and beliefs of Chinese Canadians and EuroCanadians : a basis for culturally-sensitive physical therapy
Creators: name: Wang, Jiawei
Publisher: name: University of British Columbia
Year: 2010

description: Background: Stroke is a leading cause of death particularly in Chinese Canadians (CCs) who are among the fastest growing group of immigrants. The needs of CCs in relation to health education related to stroke have not been well documented. This study attempts to address this gap. Purpose: To examine the stroke-related health knowledge, behaviors and beliefs of CCs in relation to EuroCanadians (ECs), and examine the effect of acculturation of the CCs on these variables. Design: A descriptive study based on a self-administered survey questionnaire of samples of CCs and ECs. Subjects and Methods: A cross-sectional survey of 103 CCs and 101 ECs from the Lower Mainland of BC. The questionnaire consisted of four parts: stroke-related knowledge, health behaviors, health beliefs, and demographic information. Results: Compared with ECs, CCs were less awareness of stroke risk factors, and its major warning signs, and of an appropriate response to someone showing signs of stroke. Potential health information sources that were identified included mass media, family and friends. CCs are less likely to smoke and drink alcohol than ECs and less physical activity. CCs have room for improvement with respect to dietary habits similar to ECs, but these differed somewhat for the two groups. CCs reported experiencing more stress from all causes than ECs. Years in Canada appear to have little relationship to stroke-related knowledge, behaviors and beliefs reported by CCs. Discussion and Conclusions: Our findings confirmed the findings of studies that have examined diets and physical activity of Asian immigrants in other countries. Theoretical dimensions of culture helped explain differences in stroke-related knowledge, behaviors, and beliefs between the CCs and ECs. By enhancing their understanding of differences and similarities between these groups, physical therapists may enhance the cultural sensitivity and appropriateness of interventions.
Topological split-ring resonator based metamaterials with $\cal PT$ symmetry relying on gain and loss
Creators: name: Lazarides, N.
name: Tsironis, G. P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: A one-dimensional metamaterial with parity-time (${\cal PT}$) symmetry that relies on balanced gain and loss is introduced, comprising of magnetically coupled split-ring resonators (SRRs). A particular topology that combines a non-trivial (topological) dimer configuration with a trivial (non-topological) dimer configuration which are separated by a central SRR with neither gain or loss, is investigated. By focusing on the dynamical aspects of such a topological ${\cal PT}$ metamaterial (PTMM), the existence of {\em topologically protected interface states} which are localized at the central SRR is demonstrated numerically. The solution of the corresponding {\em quadratic eigenvalue problem} reveals that the protected state is actually a robust eigenmode of the topological PTMM, whose eigenvalue is isolated in the middle of the gap (mid-gap state) of the two-band frequency spectrum. Direct numerical simulations have been further used to determine the robustness and dynamic stability of these states in the parameter space of the {\em dimerization strength} and the {\em gain-loss coefficient}.
description: 8 pages, 7 figures, 45 references. Accepted by Physical Review B as Regular Article
Experimental design, analyses and raw data from Reversible morphological changes in a juvenile marine fish after exposure to predatory alarm cues
Creators: name: Díaz-Gil, Carlos
name: Alós, Josep
name: Arechavala-Lopez, Pablo
name: Palmer, Miquel
name: Riera-Batle, Inmaculada
name: Grau, Amalia
name: Catalán, Ignacio A.
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Detail description of the experiment, statistical approach and description of the raw data file
The Absence of Positive Energy Bound States for a Class of Nonlocal Potentials
Creators: name: Chadan, Khosrow
name: Kobayashi, Reido
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We generalize in this paper a theorem of Titchmarsh for the positivity of Fourier sine integrals. We apply then the theorem to derive simple conditions for the absence of positive energy bound states (bound states embedded in the continuum) for the radial Schrödinger equation with nonlocal potentials which are superposition of a local potential and separable potentials.
description: 23 pages
Equation of motion and the constraining field in ab initio spin dynamics
Creators: name: Streib, Simon
name: Borisov, Vladislav
name: Pereiro, Manuel
name: Bergman, Anders
name: Sjöqvist, Erik
name: Delin, Anna
name: Eriksson, Olle
name: Thonig, Danny
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: It is generally accepted that the effective magnetic field acting on a magnetic moment is given by the gradient of the energy with respect to the magnetization. However, in ab initio spin dynamics within the adiabatic approximation, the effective field is also known to be exactly the negative of the constraining field, which acts as a Lagrange multiplier to stabilize an out-of-equilibrium, non-collinear magnetic configuration. We show that for Hamiltonians without mean-field parameters both of these fields are exactly equivalent, while there can be a finite difference for mean-field Hamiltonians. For density-functional theory (DFT) calculations the constraining field obtained from the auxiliary Kohn-Sham Hamiltonian is not exactly equivalent to the DFT energy gradient. This inequality is highly relevant for both ab initio spin dynamics and the ab initio calculation of exchange constants and effective magnetic Hamiltonians. We argue that the effective magnetic field and exchange constants have the highest accuracy in DFT when calculated from the energy gradient and not from the constraining field.
description: 9 pages, 5 figures
Landmarks used for the shape analysis from Reversible morphological changes in a juvenile marine fish after exposure to predatory alarm cues
Creators: name: Díaz-Gil, Carlos
name: Alós, Josep
name: Arechavala-Lopez, Pablo
name: Palmer, Miquel
name: Riera-Batle, Inmaculada
name: Grau, Amalia
name: Catalán, Ignacio A.
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: Ecology
subject: FOS: Biological sciences

description: Fig. S1. Position of the 10 landmarks
Znaczenie polskiej ekonomii rolnej w Europie w świetle prac XIII Kongresu Europejskiego Stowarzyszenia Ekonomistów Rolnych
Creators: name: Paszkowski, Stanisław
name: Paszkowski, Stanisław
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Crop Production/Industries
subject: Demand and Price Analysis
subject: Environmental Economics and Policy
subject: Farm Management
subject: Financial Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Food Security and Poverty
subject: Health Economics and Policy
subject: Industrial Organization
subject: Institutional and Behavioral Economics
subject: International Development
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Political Economy
subject: Production Economics
subject: Productivity Analysis
subject: Public Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Research Methods/ Statistical Methods
subject: Resource /Energy Economics and Policy
subject: Risk and Uncertainty
subject: Teaching/Communication/Extension/Profession
subject: Congress of the European Association of Agricultural Economists
subject: agrarian economics
subject: congress sessions
subject: university
subject: scientific problem

description: Agrarian economics as a branch of economy has a strong scientific position within the other economic disciplines. In the above context the very important is a question about the main areas of scientific research of that branch of economics, and also defining the scientific position of Polish agrarian economics on the European and world market of economy. The presented paper discusses that problem. The analyses were conducted on the base of works contributed to the XIIIth Congress of the European Association of Agricultural Economists, held in Zurich in August and September 2011. The gathered materials were analysed according to the session, scientific problems, country – the location of university, also work affiliation. The results of the research were presented with measures of work intensity contribution to congress, also author and papers structures.
Stemonitopsis hyperopta Nann.
Creators: name: Kryvomaz, Tetiana
name: Michaud, Alain
name: Stephenson, Steven L.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Protozoa
Mycetozoa
Myxomycetes
Stemonitales
Stemonitidaceae
Stemonitopsis
Stemonitopsis hyperopta

description: * Stemonitopsis hyperopta (Meyl.) Nann. -Bremek. (2 FC, 2 loc, 1 ps)
 Loc. 39c La Digue: On wood of rotten log of Calophyllum inophyllum, AM2973, TK2544. Loc. 41b La Digue: On wood of large cut log of Calophyllum inophyllum, AM2971, TK2541.
description: Published as part of Kryvomaz, Tetiana, Michaud, Alain & Stephenson, Steven L., 2020, Myxomycete biodiversity on five islands of the Seychelles, pp. 201-244 in Zootaxa 4851 (2) on page 242, DOI: 10.11646/zootaxa.4851.2.1, http://zenodo.org/record/4407410
Na mi k’anatsut ta Sk̲wx̲wu7mesh snichim chet : Squamish language revitalization : from the hearts and the minds of the language speakers
Creators: name: Baker-Williams, Kirsten
Publisher: name: University of British Columbia
Year: 2010

description: Skwxwú7mesh snichim, Squamish language was declared the official language of the Skwxwú7mesh-ullh Uxwumixw, the Squamish People, in 1990. As of 2006 , the Squamish language is a critically endangered language with fewer than 12 native speakers. For this thesis, three generations of Squamish language speakers were interviewed. These speakers include fluent language speakers who were raised hearing the Squamish Language as their first language until they were sent away for formal schooling, as well as re-emergent language speakers who were also exposed to the language within the household as a child, but less frequently. The fluent speakers continued to speak the language, while the re-emergent speakers stopped speaking the language for many years. The other co-participants are primarily adult learners of the language who either teach the Squamish language in the public school system or are actively learning the Squamish language through family and adult language evening classes. The historical context and the endeavours of these community members are critical to guiding the Squamish language revitalization efforts. This is what the first part of the thesis addresses. The second part of the thesis states how the Squamish language affects their identity in being Squamish persons. The Squamish language is central to the culture and identity of Squamish people. The importance of learning and speaking Skwxwú7mesh snichim, and the essence of the Squamish language differs for each generation of language speakers and language learners. However, fundamental values to the Skwxwú7rnesh culture and the Skwxwú7mesh language remain the same, and I will argue are fundamental to the core of Squamish people and are at the heart of Squamish language revitalization.
Polski rynek maszyn rolniczych po wejściu do Unii Europejskiej – produkcja i podaż środków mechanizacji rolnictwa
Creators: name: Pawlak, Jan
name: Pawlak, Jan
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Crop Production/Industries
subject: Demand and Price Analysis
subject: Environmental Economics and Policy
subject: Farm Management
subject: Financial Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Health Economics and Policy
subject: Industrial Organization
subject: Institutional and Behavioral Economics
subject: International Development
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Political Economy
subject: Production Economics
subject: Productivity Analysis
subject: Public Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Research Methods/ Statistical Methods
subject: Resource /Energy Economics and Policy
subject: Risk and Uncertainty
subject: Teaching/Communication/Extension/Profession
subject: farm machinery
subject: home supply
subject: production

description: After accession to the EU in 2004 the demand for tractors and agricultural implements has grown, followed by increasing supply of them. In 2012, the supply of brand-new agricultural tractors was by 185.4% higher than in 2003. In 2012 the value of renovation index of tractor fleet in agriculture was by 149.3% higher than in 2003. In spite of significant increase of demand for tractors, their production in 2012 was by 39.2% lower than in 2003. The downfall in number of tractors produced in Poland caused that imported tractors achieved more and more important share in supplies on Polish market. In 2003 the share of imports amounted to 64.0% and in 2012 – 91.4%. Production of most other means of agricultural mechanization was in 2012 higher than in 2003. The increase in a case of manure spreaders amounted to 704.3%; self loading or unloading agricultural tractor trailers – 362.1%; fertilizer spreader – 335.2%; field sowing machines – 245.3%; pick-up balers – 222.1% and harvester threshers – 194.8. Decreases were noted in cases of steamers – by 73.3%; potato planters – by 49.7%; harrows other than disc ones – by 42.2%; potato diggers – by 31.2% and rototillers – by 22.8%.
Higgs boson production at hadron colliders: differential cross sections through next-to-next-to-leading order
Creators: name: Anastasiou, Charalampos
name: Melnikov, Kirill
name: Petriello, Frank
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present a calculation of the fully differential cross section for Higgs boson production in the gluon fusion channel through next-to-next-to-leading order in perturbative QCD. We apply the method introduced in \cite{Anastasiou:2003gr} to compute double real emission corrections. Our calculation permits arbitrary cuts on the final state in the reaction $hh \to H + X$. It can be easily extended to include decays of the Higgs boson into observable final states. In this Letter, we discuss the most important features of the calculation, and present some examples of physical applications that illustrate the range of observables that can be studied using our result. We compute the NNLO rapidity distribution of the Higgs boson, and also calculate the NNLO rapidity distribution with a veto on jet activity.
description: 4 pgs, 2 figs; references added
title: The Early Assessment of System Performance in Distributed Real-time Systems
Creators: name: Giddings, Michael Anthony
Publisher: name: The Open University
Year: 2016

description: Distributed real-time process control systems are notoriously difficult to develop. They frequently overrun time schedules and break cost constraints. The problems are compounded where there are multiple development teams and stakeholders. Conventional model-driven development has been examined to see if it can be extended to resolve some of these problems. It may be possible to use early system design stages to identify performance issues which would otherwise not be identified until late in the development of the system. A functional model is proposed, in addition to those conventionally used for model-driven development, based on loosely coupled functional elements, to represent the behaviour of each system component. The model complements existing requirements and design specifications and addresses the combination of individual component abstractions to produce a complete system specification. The functional model enables the accurate prediction of system performance prior to the detailed design of each component. The thesis examines how performance can be calculated and modelled. An animator tool and associated code generator are used to predict system and component performance in a distributed aircraft navigation system. The use of the animator to support the system design prior to the generation of the component contract specifications and interface control documents provides a means of assessing performance which is accessible to domain experts and system designers alike. The model also enables the effects of requirements changes and component design issues on the system design to be assessed in terms of the system design to provide system wide solutions. This performance assessment model and animator compliments the existing 'fix-it-later' approach, reducing the chances of performance failure detected late during the system development process when they are most expensive to fix.
Pozycja konkurencyjna głównych producentów i eksporterów nasion oleistych i olejów roślinnych
Creators: name: Pawlak, Karolina
name: Pawlak, Karolina
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Crop Production/Industries
subject: Demand and Price Analysis
subject: Environmental Economics and Policy
subject: Farm Management
subject: Financial Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Food Security and Poverty
subject: Health Economics and Policy
subject: Industrial Organization
subject: Institutional and Behavioral Economics
subject: International Development
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Political Economy
subject: Production Economics
subject: Productivity Analysis
subject: Public Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Research Methods/ Statistical Methods
subject: Resource /Energy Economics and Policy
subject: Risk and Uncertainty
subject: Teaching/Communication/Extension/Profession
subject: competitive position
subject: comparative advantages
subject: oilseeds
subject: vegetable oils
subject: intra-EU trade

description: The aim of the paper was to assess the competitive position of the main producers and exporters of oilseeds and vegetable oils in the intra-EU trade in 2004 and 2012. The competitiveness was assessed with the use of a selected set of quantitative measures of international competitive position. Moreover, some shares of the analysed countries in the intra-EU trade, as well as relative export intensity of oilseeds and vegetable oils in these countries were estimated. On the basis of the conducted analyses it is possible to conclude that apart from Germany in trade in rapeseed and soya beans, as well as the Netherlands in trade in rapeseed and sunflower-seed, the main producers and exporters of oilseeds were competitive on the Single European Market. Excluding soya-bean oil produced in the EU mainly from imported raw material, competitive advantage of most of the countries decreased together with the level of processing and was lower in trade in vegetable oils.
Distinguishing between Flaring and Non-Flaring Active Regions: A Machine Learning Perspective
Creators: name: Hazra, Soumitra
name: Sardar, Gopal
name: Choudhuri, Partha
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Large scale solar eruptions significantly impact space weather and damages space-based human infrastructures. It is necessary to predict large scale solar eruptions, which will enable us to protect our vulnerable infrastructures of modern society. We aim to investigate the difference between flaring and non-flaring active regions. We use photospheric vector magnetogram data from Solar Dynamic Observatory's Helioseismic Magnetic Imager to study the time evolution of photospheric magnetic parameters on the solar surface. We build a database of flaring and non-flaring active region observed on the solar surface from the years 2010 to 2017. We train the machine learning algorithm by the time evolution of these active region parameters. Finally, we estimate the performance obtained from this machine learning algorithm. We find the strength of some magnetic parameters namely total unsigned magnetic flux, total unsigned magnetic helicity, total unsigned vertical current and total photospheric magnetic energy density in flaring active regions are much higher compared to the non-flaring ones. These magnetic parameters in the flaring active region are highly evolving and complex. We are able to obtain good forecasting capability with a relatively high value of true skill statistic (TSS). We also find that time evolution of total unsigned magnetic helicity and total unsigned magnetic flux have very high ability to distinguish flaring and non-flaring active regions. It is possible to distinguish flaring active region from the non-flaring one with good accuracy. We confirm that there is no single common parameter which can distinguish all flaring active regions from the non flaring one. However, time evolution of top few magnetic parameters namely total unsigned magnetic flux and total unsigned magnetic helicity have very high distinguishing capability.
description: 13 Pages, 6 Figures
Staggered Chiral Perturbation Theory with Heavy-Light Mesons
Creators: name: Aubin, C.
name: Bernard, C.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We merge heavy quark effective theory with staggered chiral perturbation theory to calculate heavy-light (B, D) meson quantities. We present results at NLO for the $B(D)$ meson decay constant in the partially quenched and full QCD cases, and discuss the calculation of the form factors for $B(D) \to π(K) \ell ν$ decays.
description: Talk given at Lattice 2004 (heavy), 3 pgs, 2 figures
Przemysł nasienny w Polsce i jego rynek
Creators: name: Piwowar, Arkadiusz
name: Piwowar, Arkadiusz
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Crop Production/Industries
subject: Demand and Price Analysis
subject: Environmental Economics and Policy
subject: Farm Management
subject: Financial Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Food Security and Poverty
subject: Health Economics and Policy
subject: Industrial Organization
subject: Institutional and Behavioral Economics
subject: International Development
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Political Economy
subject: Production Economics
subject: Productivity Analysis
subject: Public Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Research Methods/ Statistical Methods
subject: Resource /Energy Economics and Policy
subject: Risk and Uncertainty
subject: Teaching/Communication/Extension/Profession
subject: breeding and seed entities
subject: market
subject: trade

description: The aim of this article is to characterize the seed industry in Poland and assessment of changes in supply, demand and prices on the market of classified seed of cereals in Poland. The discussion relates to the main groups of participants making up the breeding and seed industry, i.e. the breeding, seed, as well as breeding and seed entities. The characteristics of entities from the breeding and seed industry’s environment has also been presented. The article presents the analyses of the cereal seed market in Poland between the years 2008-2012, including the changes in supply, demand and market prices. The analyses indicated an increase in sales of the certified seeds in Poland by 25.3%. Winter wheat was the dominant seed in terms of trade structure throughout the entire period. The increase in sales of classified seeds in the cereal segment took place in conditions of significant seed prices’ increase in the studied period.
title: Stadt.Macht.Kultur : eine Analyse hegemonialer Kulturpolitik und Kunstförderung in der strategischen Planung Wiens
Creators: name: Krisch, Astrid
Publisher: name: TU Wien
Year: 2016
Subjects: subject: Hegemonietheorie
subject: Kunst
subject: Kultur
subject: Stadtplanung
subject: Wien
subject: hegemony
subject: art
subject: culture
subject: urban planning
subject: Vienna

description: Politik und Planung erleben seit einigen Jahren eine Renaissance der strategischen Planung. Dabei stellt die Kulturplanung eine wesentliche Säule dar, die Städte zu Alleinstellungsmerkmalen im globalen Standortwettbewerb verhelfen und so einen Ausweg aus der durch den Übergang von Fordismus zu Postfordismus entstandenen finanziellen Krise bieten soll. Die vorliegende Arbeit geht der Frage nach, ob und wie Kulturpolitik und Kunstförderung in der strategischen Planung verankert sind und inwieweit eine räumliche Strategie in Form einer hegemonialen Kunst- und Kulturproduktion zu erkennen ist. Auf Grundlage der Hegemonietheorie von Gramsci wird zu diesem Zweck eine Politikfeldanalyse zur Untersuchung unterschiedlicher stadtplanungsrelevanter Ebenen in Wien durchgeführt. Anhand einer Inhaltsanalyse der strategischen Stadtplanungsdokumente wird der kulturpolitische Diskurs untersucht, die Verteilung ökonomischer Ressourcen mittels der Analyse der Umsetzung raumrelevanter Kulturpolitik aufgezeigt und die kulturbasierte Raumproduktion wird durch eine exemplarische Beschreibung relevanter Kunst- und Kulturprojekte nachvollziehbar gemacht.
description: During the last few years politics and planning are undergoing a revival of strategic planning. In this context cultural planning represents a relevant backbone, which should help cities to establish unique selling points in a global competition between cities and provide a way out of the financial crisis of city budgets due to the transition from Fordism to Postfordism. The thesis at hand pursues the question, how cultural politics and the promotion of culture is linked to strategic planning and to what extent a spacial strategy through hegemonial culture and art production can be recognised. On the foundation of hegemonic theory by Gramsci the applied method here is a policy analysis for the empirical study of different levels of urban planning in Vienna with the purpose of understanding the cultural discourse throughout the strategic planning documents, the distribution of economic resources through the analysis of promotional instruments and the spatial practice through the exemplary description of art and cultural projects.
Tropical Lagrangians in toric del-Pezzo surfaces
Creators: name: Hicks, Jeff
Publisher: name: arXiv
Year: 2020
Subjects: subject: Symplectic Geometry (math.SG)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We look at how one can construct from the data of a dimer model a Lagrangian submanifold in $(\mathbb{C}^*)^n$ whose valuation projection approximates a tropical hypersurface. Each face of the dimer corresponds to a Lagrangian disk with boundary on our tropical Lagrangian submanifold, forming a Lagrangian mutation seed. Using this we find tropical Lagrangian tori $L_{T^2}$ in the complement of a smooth anticanonical divisor of a toric del-Pezzo whose wall-crossing transformations match those of monotone SYZ fibers. An example is worked out for the mirror pair $(\mathbb{CP}^2\setminus E, W), \check X_{9111}$. We find a symplectomorphism of $\mathbb{CP}^2\setminus E$ interchanging $L_{T^2}$ and a SYZ fiber. Evidence is provided that this symplectomorphism is mirror to fiberwise Fourier-Mukai transform on $\check X_{9111}$.
description: 55 pages, 24 figures. This is the final version of the paper accepted in Selecta Mathematica. arXiv admin note: substantial text overlap with arXiv:1904.06005
Spatially varying mass function of MACHOs in the galactic halo and interpretation of microlensing results
Creators: name: Rahvar, Sohrab
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The gravitational microlensing experiments in the direction of Large Magellanic Cloud (LMC) predict a large amount of white dwarfs ($\sim 20%$) filling the galactic halo. However, the predicted white dwarfs have not been observed at the galactic halo. To interpret the microlensing results and resolving the mentioned problems, we use the hypothesis of spatially varying mass function of MACHOs, proposed by \cite{ker98} (hereafter KE). However the KE model is not compatible with the duration distribution of events \cite{rah04a}. Here we use more realistic power-law model of MF, $dn/dm\propto m^α$ for the MACHOs of halo. The index of MF in this model changes from -2.7 for stars with $m>1 M_{\bigodot}$ at the central part of galactic halo to the substellar regime with an upper limit of -1 at the edge of halo. We show that in contrast to the abundant brown dwarfs of galactic halo, heavy MACHOs can be responsible for the microlensing events in the direction of LMC.
description: To appear in Proceedings of IAU Symposium 225: Impact of Gravitational Lensing on Cosmology, 5 pages
Enskog kinetic theory of rheology for a moderately dense inertial suspension
Creators: name: Takada, Satoshi
name: Hayakawa, Hisao
name: Santos, Andrés
name: Garzó, Vicente
Publisher: name: arXiv
Year: 2020
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The Enskog kinetic theory for moderately dense inertial suspensions under simple shear flow is considered as a model to analyze the rheological properties of the system. The influence of the background fluid on suspended particles is modeled via a viscous drag force plus a Langevin-like term defined in terms of the background temperature. In a previous paper [Hayakawa et al., Phys. Rev. E 96, 042903 (2017)], Grad's moment method with the aid of a linear shear-rate expansion was employed to obtain a theory which gave good agreement with the results of event-driven Langevin simulations of hard spheres for low densities and/or small shear rates. Nevertheless, the previous approach had a limitation of applicability to the high shear-rate and high density regime. Thus, in the present paper, we extend the previous work and develop Grad's theory including higher order terms in the shear rate. This improves significantly the theoretical predictions, a quantitative agreement between theory and simulation being found in the high-density region (volume fractions smaller than or equal to $0.4$).
description: 27 pages, 9 figures. arXiv admin note: text overlap with arXiv:1707.09694
Trichia decipiens T. Macbr.
Creators: name: Kryvomaz, Tetiana
name: Michaud, Alain
name: Stephenson, Steven L.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Mycetozoa
Myxomycetes
Trichiales
Trichiaceae
Trichia
Trichia decipiens

description: * Trichia decipiens (Pers.) T. Macbr. (1 MC, 1 loc, 1 ps)
 Loc. 18 Praslin: On bark of dead tree Tabebuia pallida, SLS 32449 (MC pH 5.6).
description: Published as part of Kryvomaz, Tetiana, Michaud, Alain & Stephenson, Steven L., 2020, Myxomycete biodiversity on five islands of the Seychelles, pp. 201-244 in Zootaxa 4851 (2) on page 243, DOI: 10.11646/zootaxa.4851.2.1, http://zenodo.org/record/4407410
Ocena procesów inwestycyjnych w gospodarstwach rolnych w Polsce po integracji z Unią Europejską
Creators: name: Ryś-Jurek, Roma
name: Ryś-Jurek, Roma
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Crop Production/Industries
subject: Demand and Price Analysis
subject: Environmental Economics and Policy
subject: Farm Management
subject: Financial Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Food Security and Poverty
subject: Health Economics and Policy
subject: Industrial Organization
subject: Institutional and Behavioral Economics
subject: International Development
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Land Economics/Use
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Political Economy
subject: Production Economics
subject: Productivity Analysis
subject: Public Economics
subject: Research and Development/Tech Change/Emerging Technologies
subject: Research Methods/ Statistical Methods
subject: Resource /Energy Economics and Policy
subject: Risk and Uncertainty
subject: Teaching/Communication/Extension/Profession
subject: investment processes
subject: farm
subject: economic size

description: The aim of this article was an attempt of the assessment of the investment processes in farms according to the economic size in Poland, after the integration with the European Union. The data from FADN database was used for years 2004-2011. The means of production factors in disposition of farms were described, and the capacity for reproduction and for renovate of assets were established. The influence of the net farm income on the realised investments was shown. It was found that the bigger a farm is the easier it invests, renovates the assets, basing mainly on its own income. However in small farms, the income is spent on casual needs, and not on investment in farm assets.
Information criteria for inhomogeneous spatial point processes
Creators: name: Choiruddin, Achmad
name: Coeurjolly, Jean-François
name: Waagepetersen, Rasmus
Publisher: name: arXiv
Year: 2020
Subjects: subject: Statistics Theory (math.ST)
subject: Methodology (stat.ME)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: G.3
subject: 62H11, 60G55 (Primary) 62F15, 62C10, 62J02, 62M10 (Secondary)

description: The theoretical foundation for a number of model selection criteria is established in the context of inhomogeneous point processes and under various asymptotic settings: infill, increasing domain, and combinations of these. For inhomogeneous Poisson processes we consider Akaike information criterion and the Bayesian information criterion, and in particular we identify the point process analogue of sample size needed for the Bayesian information criterion. Considering general inhomogeneous point processes we derive new composite likelihood and composite Bayesian information criteria for selecting a regression model for the intensity function. The proposed model selection criteria are evaluated using simulations of Poisson processes and cluster point processes.
description: 6 figures