cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A framework for the next generation of stationary cosmological models
Creators: name: Sanejouand, Yves-Henri
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: According to a new tired-light cosmological model, where H(z) = H 0 (1 + z), the number density of galaxies has been nearly constant over the last 10 Gyr, at least, meaning that, as far as galaxy counts are concerned, the Universe has been stationary. In this context, an analysis of the luminosity distances of quasars and supernovae Ia shows that the Universe is far from being as transparent as assumed nowadays, the photon lifetime along the line-of-sight being one third of the Hubble time. Such a low value could mean that there are huge amounts of grey dust in the inter galactic medium, that have so far escaped detection. It could also be a signature of new physics, namely, a consequence of the decay of photons into lighter particles. The tired-light model advocated in the present study would be falsified if, for instance, the time-dilation of remote events were shown to have a general character, that is, if it were definitely observed for phenomenons other than the light curves of supernovae Ia. On the other hand, further developments are needed in order to turn this model into an actual cosmology. In particular, the physical origin of the current stability of the Universe on galactic scales remains to be identified.
description: 19 pages, 6 figures; accepted version
On the double and triple-humped fission barriers and half-lives of actinide elements
Creators: name: Bonilla, C.
name: Royer, G.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The deformation barriers standing in the quasi-molecular shape path have been determined in the actinide region within a macroscopic-microscopic energy derived from a generalized liquid drop model, the algebraic droplet model shell corrections and analytic expressions for the pairing energies. Double and triple-humped fission barriers appear. The second barrier corresponds to the transition from one-body shapes to two touching ellipsoids. The third minimum and third peak, when they exist, come from shell rearrangements in the deformed fragment. The shape of the other almost magic one is close to the sphere. The barrier heights agreewith the experimental results, the energy of the second minimum being a little too high. The predicted half-lives follow the experimental data trend.
From representations of the rational Cherednik algebra to parabolic Hilbert schemes via the Dunkl-Opdam subalgebra
Creators: name: Gorsky, Eugene
name: Simental, José
name: Vazirani, Monica
Publisher: name: arXiv
Year: 2020
Subjects: subject: Representation Theory (math.RT)
subject: Algebraic Geometry (math.AG)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: In this note we explicitly construct an action of the rational Cherednik algebra $H_{1,m/n}(S_n,\mathbb{C}^n)$ corresponding to the permutation representation of $S_n$ on the $\mathbb{C}^{*}$-equivariant homology of parabolic Hilbert schemes of points on the plane curve singularity $\{x^{m} = y^{n}\}$ for coprime $m$ and $n$. We use this to construct actions of quantized Gieseker algebras on parabolic Hilbert schemes on the same plane curve singularity, and actions of the Cherednik algebra at $t = 0$ on the equivariant homology of parabolic Hilbert schemes on the non-reduced curve $\{y^{n} = 0\}.$ Our main tool is the study of the combinatorial representation theory of the rational Cherednik algebra via the subalgebra generated by Dunkl-Opdam elements.
description: 63 pages; This version fixes a couple of mistakes in Propositions 7.19 and 8.9 from the published version, concerning the use of dual lattices. The article title in v3 has also changed
Tables and figures from ‘What I cannot create, I do not understand’: functionally validated synergism of metabolic and target site insecticide resistance
Creators: name: George-Rafael Samantsidis
name: Panteleri, Rafaela
name: Denecke, Shane
name: Kounadi, Stella
name: Christou, Iason
name: Nauen, Ralf
name: Vassilis Douris
name: Vontas, John
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Ecology
subject: Health Care
subject: Diseases
subject: 111706 Epidemiology
subject: FOS: Health sciences

description: This file contains supplementary information on fly stocks, primers used, generation of transgenic Drosophila lines, screening and genetic crosses.
Population dynamics of the Ruddy-capped nightingale thrush (Catharus frantzii) in the central highlands of Chiapas, Mexico
Creators: name: Rangel-Salazar, José Luis
Publisher: name: University of British Columbia
Year: 2010

description: I examined local population dynamics and regional distribution of the threatened Catharus frantzii (Ruddy-capped Nightingale Thrush) in the Central Highlands of Chiapas, Mexico. Pair density, nesting success and daily nest survival were higher in the moist forest habitat with more understory vegetation than in the dry-disturbed forest habitat. Nest-site selection and daily nest survival were associated with concealment attributes at the nest-site and patch levels. Parental visitation rates to nests did not differ across habitats, but were lower for successful than failed nests. Female nest attentiveness was higher in the moist forest and for successful nests than in the dry-disturbed forest and failed nests. Despite a higher carrying capacity for breeding pairs and captured individuals in the moist forest than the dry-disturbed forest, I found no variation in productivity (female offspring/breeding female/year) or adult survival (φ = 0.79) across habitats. Both survival (r = 0.93) and productivity (r = -0.33) correlated significantly with population growth (λ). Overall, both moist and dry forest types supported stable populations of C. frantzii (λ = 1.09), and thus I found no evidence for habitat-specific demography. In occupied forest habitats in the region around the Huitepec Reserve, C. frantzii showed a high probability of detection with repeated sampling. Abundance of singing males tended to be lower in younger and disturbed forest than in old-growth broadleaf forest. Habitat attributes such as elevation, slope, tree height, and shrub and herb densities varied across sites, but showed no consistent relationship to abundance. Although moist forests with more understory vegetation may favour better breeding success, adjacent dry-disturbed forests also supported stable, albeit lower, densities of C. frantzii in the Huitepec reserve. Both habitat types also supported non-territorial individuals that may be important contributors to stable populations. Thus, old growth and second-growth broadleaf forests with low to moderate vegetation harvesting can provide suitable habitats for C. frantzii in montane forests of the Central Highlands of Chiapas, Mexico.
Global Optimization of Gaussian processes
Creators: name: Schweidtmann, Artur M.
name: Bongartz, Dominik
name: Grothe, Daniel
name: Kerkenhoff, Tim
name: Lin, Xiaopeng
name: Najman, Jaromil
name: Mitsos, Alexander
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optimization and Control (math.OC)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 90C26, 90C30, 90C90, 68T01, 60-04

description: Gaussian processes~(Kriging) are interpolating data-driven models that are frequently applied in various disciplines. Often, Gaussian processes are trained on datasets and are subsequently embedded as surrogate models in optimization problems. These optimization problems are nonconvex and global optimization is desired. However, previous literature observed computational burdens limiting deterministic global optimization to Gaussian processes trained on few data points. We propose a reduced-space formulation for deterministic global optimization with trained Gaussian processes embedded. For optimization, the branch-and-bound solver branches only on the degrees of freedom and McCormick relaxations are propagated through explicit Gaussian process models. The approach also leads to significantly smaller and computationally cheaper subproblems for lower and upper bounding. To further accelerate convergence, we derive envelopes of common covariance functions for GPs and tight relaxations of acquisition functions used in Bayesian optimization including expected improvement, probability of improvement, and lower confidence bound. In total, we reduce computational time by orders of magnitude compared to state-of-the-art methods, thus overcoming previous computational burdens. We demonstrate the performance and scaling of the proposed method and apply it to Bayesian optimization with global optimization of the acquisition function and chance-constrained programming. The Gaussian process models, acquisition functions, and training scripts are available open-source within the "MeLOn - Machine Learning Models for Optimization" toolbox~(https://git.rwth-aachen.de/avt.svt/public/MeLOn).
Collisions Between Single Stars in Dense Clusters: Runaway Formation of a Massive Object
Creators: name: Freitag, Marc
name: Gürkan, M. Atakan
name: Rasio, Frederic A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Using Monte Carlo codes, we follow the collisional evolution of clusters in a variety of scenarios. We consider the conditions under which a cluster of main sequence stars may undergo rapid core collapse due to mass segregation, thus entering a phase of runaway collisions, forming a very massive star (VMS, M >= 1000 Msun) through repeated collisions between single stars. Although collisional mass loss is accounted for realistically, we find that a VMS forms even in proto-galactic nuclei models with a high velocity dispersion (many 100 km/s). Such a VMS may be a progenitor for an intermediate-mass black hole (M >= 100 Msun). In contrast, in galactic nuclei hosting a central massive black hole, collisions are found to be disruptive. The stars which are subject to collisions are progressively ground down by high-velocity collisions and a merger sequence appears impossible.
description: 6 pages, 5 figures, Invited talk at "Massive Stars in Interacting Binaries" (Lac Sacacomie, Quebec, 16-20 Aug 2004)
Grassmann variables on quantum spaces
Creators: name: Mikulovic, Dzo
name: Schmidt, Alexander
name: Wachter, Hartmut
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Attention is focused on antisymmetrized versions of quantum spaces that are of particular importance in physics, i.e. two-dimensional quantum plane, q-deformed Euclidean space in three or four dimensions as well as q-deformed Minkowski space. For each case standard techniques for dealing with q-deformed Grassmann variables are developed. Formulae for multiplying supernumbers are given. The actions of symmetry generators and fermionic derivatives upon antisymmetrized quantum spaces are calculated. The complete Hopf structure for all types of quantum space generators is written down. From the formulae for the coproduct a realization of the L-matrices in terms of symmetry generators can be read off. The L-matrices together with the action of symmetry generators determine how quantum spaces of different type have to be fused together.
description: 42 pages, Latex, crossing symmetries for representations have been simplified, section with general information has been added, typos corrected
Zmiany w otoczeniu makroekonomicznym rolnictwa w krajach Mercosur w długim okresie (1995-2011)
Creators: name: Czyżewski, Andrzej
name: Kułyk, Piotr
name: Czyżewski, Andrzej
name: Kułyk, Piotr
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: International Development
subject: agricultural policy
subject: economic policy
subject: integration
subject: macroeconomic condition
subject: integrative formations
subject: market adaptations
subject: Mercosur
subject: /polityka rolna
subject: polityka gospodarcza
subject: integracja
subject: makroekonomiczne uwarunkowania
subject: ugrupowania integracyjne
subject: dostosowania rynkowe

description: The aim of the article was to present changes affecting economic policy and macroeconomics conditions of states. We took into account the establishment of the integrative group by the combined countries. The evaluation looks at Mercosur and covers 17 years, 1995-2011. Differences between countries was shown, and we also dealt with convergence of macroeconomic conditions, which allowed the attainment of similar effects in agriculture, though on a different scale. Macroeconomic conditions caused the one-sidedness of agriculture in examined countries. / Synopsis. Celem artykułu jest przedstawienie zmian zachodzących w polityce gospodarczej i uwarunkowaniach makroekonomicznych państw poddanych procesowi integracji gospodarczej. Ocena została przeprowadzona w odniesieniu do regionalnego ugrupowania Mercosur i obejmowała 17. lat (1995-2011). Wskazano na istniejące różnice między krajami ugrupowania a także pokazano, iż mamy do czynienia ze zbieżnością dotyczącą warunków makroekonomicznych, co pozwoliło uzyskać podobne efekty w rolnictwie aczkolwiek w różnej skali. Warunki makroekonomiczne powodowały asymetryczność dostosowań rolnictwa w badanych krajach.
Categorical traces and a relative Lefschetz-Verdier formula
Creators: name: Lu, Qing
name: Zheng, Weizhe
Publisher: name: arXiv
Year: 2020
Subjects: subject: Algebraic Geometry (math.AG)
subject: Category Theory (math.CT)
subject: FOS: Mathematics
subject: 14F20 (Primary), 18M05, 18N10, 32S30 (Secondary)

description: We prove a relative Lefschetz-Verdier theorem for locally acyclic objects over a Noetherian base scheme. This is done by studying duals and traces in the symmetric monoidal $2$-category of cohomological correspondences. We show that local acyclicity is equivalent to dualizability and deduce that duality preserves local acyclicity. As another application of the category of cohomological correspondences, we show that the nearby cycle functor over a Henselian valuation ring preserves duals, generalizing a theorem of Gabber.
description: 27 pages. v4: minor improvements. To appear in Forum of Mathematics, Sigma
Two-dimensional flow of foam around an obstacle: force measurements
Creators: name: Dollet, Benjamin
name: Elias, Florence
name: Quilliet, Catherine
name: Raufaste, Christophe
name: Aubouy, Miguel
name: Graner, Francois
Publisher: name: arXiv
Year: 2004
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: A Stokes experiment for foams is proposed. It consists in a two-dimensional flow of a foam, confined between a water subphase and a top plate, around a fixed circular obstacle. We present systematic measurements of the drag exerted by the flowing foam on the obstacle, \emph{versus} various separately controlled parameters: flow rate, bubble volume, bulk viscosity, obstacle size, shape and boundary conditions. We separate the drag into two contributions, an elastic one (yield drag) at vanishing flow rate, and a fluid one (viscous coefficient) increasing with flow rate. We quantify the influence of each control parameter on the drag. The results exhibit in particular a power-law dependence of the drag as a function of the bulk viscosity and the flow rate with two different exponents. Moreover, we show that the drag decreases with bubble size, and increases proportionally to the obstacle size. We quantify the effect of shape through a dimensioned drag coefficient, and we show that the effect of boundary conditions is small.
description: 26 pages, 13 figures, resubmitted version to Phys. Rev. E
Assessing the effectiveness of forest certification in the US Pacific Northwest and British Columbia, Canada
Creators: name: Tikina, Anna
Publisher: name: University of British Columbia
Year: 2010

description: Proponents of forest certification view the system as a tool for sustainable forest management. Opponents declare forest certification "green-washing" or as an ineffective waste of resources. This study was prompted by concerns about the ability of forest certification to induce effective change in forest practices. The study applied a classification of regime effectiveness to evaluate the impacts of forest certification. Changes in behaviours (behavioural effectiveness) constitute the core of regime effectiveness. A secondary objective was to explore the settings that influence obtaining forest certification in the region. A mailed survey to certified and non-certified forest managing entities (public agencies, forest industry and non-industrial private forest owners) in the US Pacific Northwest inquired about the degree of behavioural changes in their forest practices related to certification. The results of this study reveal that the practices of forest managing entities in the US Pacific Northwest have undergone relatively small changes. The type and magnitude of changes differed among public, forest industry and non-industrial private forest owners. Non-certified industry holdings changed more than their certified counterparts. However, certified non-industrial private forest owners indicated more change than non-certified ones. Case studies were conducted in British Columbia to evaluate the transferability of the results. While some behavioural changes have been found, forest certification was more effective in other aspects--in goal attainment and through process and constitutive effectiveness. The study hypothesized the importance of both biogeographical and socio-economic settings in facilitating the embracement of the process, but the socio-economic phenomena were found to prevail. The research results are specific to the area (Washington and Oregon States and British Columbia, Canada), where the strong regulatory requirements might have eliminated the necessity to change behaviours with the introduction of forest certification.
Ewolucja podejścia do jakości żywności oraz podstawowe cechy systemów jakości produktów rolnych i środków spożywczych w Unii Europejskiej
Creators: name: Dobieżyński, Krzysztof
name: Dobieżyński, Krzysztof
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Food Consumption/Nutrition/Food Safety
subject: International Development
subject: quality schemes
subject: food
subject: protected designations of origin
subject: protected geographical indications
subject: traditional specialties guarantees
subject: organic farming
subject: /systemy jakości
subject: żywność
subject: chroniona nazwa pochodzenia
subject: chronione oznaczenie geograficzne
subject: gwarantowana tradycyjna specjalność
subject: produkcja ekologiczna

description: The aim of the article is the description of the genesis of legal acts in respect to quality schemes for agricultural products and foodstuffs in the EU. Presented are the most important characteristics of quality schemes for agricultural products and foodstuffs, which are: protected designations of origin, protected geographical indications, guarantees for traditional specialties, and organic farming. The current legal regulations ensure quality schemes for agricultural products and foodstuffs have supranational applications. The consequence of supranational protection is versatility of notions used in legal acts which are currently in force. / Synopsis. Celem pracy jest przybliżenie genezy rozwiązań prawnych w zakresie systemów jakości produktów rolnych i środków spożywczych w UE. Przedstawione zostały również najważniejsze cechy tych systemów, do których należą: chronione nazwy pochodzenia, chronione oznaczenia geograficzne, gwarantowane tradycyjne specjalności oraz produkcja ekologiczna. Obowiązujące regulacje prawne zapewniają systemy jakości produktów rolnych oraz środków spożywczych o charakterze ponadterytorialnym. Konsekwencją ponadterytorialności ochrony jest uniwersalność podstawowych pojęć użytych w obowiązujących aktach prawnych.
Wykorzystanie środków UE na rozwój obszarów wiejskich na przykładzie województwa mazowieckiego
Creators: name: Fesyuk, Nataliya
name: Parlińska, Maria
name: Fesyuk, Nataliya
name: Parlińska, Maria
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: agriculture
subject: rural areas
subject: EU programs
subject: CAP
subject: /rolnictwo
subject: obszary wiejskie
subject: programy UE

description: The article compares development prospects of rural areas within confines of the Common Agricultural Policy, looking at Mazovian province 2014-2020, and determining the most important difference between 2007-2013 PROW and 2014-2020 PROW. Comparisons indicate that new policies do not differ greatly from former programs. The article concentrates mainly on identifying changes in the structure of CAP. The proposed structure of the program has huge meaning for Polish agricultural and rural development, so, with reference to decisions presented by the European Commission, the level of support determines the potential competitiveness of the Polish agricultural sector within the European Union. / Synopsis. Celem artykułu jest porównanie perspektyw rozwojowych obszarów wiejskich w ramach Wspólnej Polityki Rolnej na lata 2014-2020 na przykładzie województwa mazowieckiego, określenie najistotniejszych różnic między PROW 2007-2013 a PROW 2014-2020. Artykuł koncentruje się głównie na identyfikacji zmian w zakresie WPR. Proponowany zakres programów ma ogromne znaczenie dla rozwoju polskiego rolnictwa i rozwoju obszarów wiejskich, dlatego w odniesieniu do postanowień przedłożonych przez Komisje Europejską, poziom wsparcia dla sektora rolnego w Polsce w znacznym stopniu determinuje potencjał konkurencyjny rolnictwa w państwach Unii Europejskiej. Przeprowadzone porównanie programów wskazuje, iż polityka nowego programu nie odbiega bardzo od programu z lat poprzednich.
Bound states of spin-orbit coupled cold atoms in a Dirac delta-function potential
Creators: name: Qin, Jieli
name: Zheng, Renfei
name: Zhou, Lu
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: Dirac delta-function potential is widely studied in quantum mechanics because it usually can be exactly solved and at the same time is useful in modeling various physical systems. Here we study a system of delta-potential trapped spinorbit coupled cold atoms. The spin-orbit coupled atomic matter wave has two kinds of evanescent modes, one of which has pure imaginary wavevector and is an ordinary evanescent wave; while the other with a complex number wave vector is recognized as oscillating evanescent wave. We identified the eigenenergy spectra and the existence of bound states in this system. The bound states can be constructed analytically using the two kinds of evanescent modes and we found that they exhibit typical features of stripe phase, separated phase or zero-momentum phase. In addition to that, the properties of semi-bound states are also discussed, which is a localized wave packet on a plane wave background.
Dynamical Relaxation of the Dark Matter to Baryon Ratio
Creators: name: Catena, R.
name: Pietroni, M.
name: Scarabello, L.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A scalar field interacting differently with dark matter and baryons may explain why their ratio is of order unity today. We provide three working examples, checking them against the observations of CMB, Large Scale Structure, supernovae Ia, and post-newtonian tests of gravity. Such a scenario could make life much easier for supersymmetric dark matter candidates.
description: 7 pages, 5 .eps figures. Discussion of the approach of the field to the fixed point added. Figures modified accordingly. Conclusions unchanged. Version to be published on Phys Rev. D
Supplementary methods, tables and figures from Androgen-dependent sexual dimorphism in pituitary tryptophan hydroxylase expression: relevance to sex differences in pituitary hormones
Creators: name: Yukika Kawabata-Sakata
name: Nishiike, Yuji
name: Fleming, Thomas
name: Kikuchi, Yukiko
name: Kataaki Okubo
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: Cell Biology
subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences

description: Serotonin is a biogenic monoamine conserved across phyla that is implicated in diverse physiological and behavioural functions. On examining the expression of the rate-limiting enzymes in serotonin synthesis, tryptophan hydroxylases (TPHs), in the teleost medaka (Oryzias latipes), we found that males have much higher levels of tph1 expression as compared with females. This robust sexual dimorphism was found to probably result from the direct stimulation of tph1 transcription by androgen/androgen receptor binding to canonical bipartite androgen-responsive elements in its proximal promoter region. Our results further revealed that tph1 expression occurs exclusively in pro-opiomelanocortin (pomc)-expressing cells and that the resulting serotonin and its derivative melatonin inhibit the expression of the pituitary hormone genes, fshb, sl and tshb. This suggests that serotonin and/or melatonin synthesized in pomc-expressing cells act in a paracrine manner to suppress pituitary hormone levels. Consistent with these findings and the male-biased expression of tph1, the expression levels of fshb, sl and tshb were all higher in females than in males. Taken together, the male bias in tph1 expression and consequent serotonin/melatonin production presumably contribute to sex differences in the expression of pituitary hormones and ultimately in the physiological functions mediated by them.
Universality of ultra-relativistic gravitational scattering
Creators: name: Di Vecchia, Paolo
name: Heissenberg, Carlo
name: Russo, Rodolfo
name: Veneziano, Gabriele
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We discuss the ultra-relativistic gravitational scattering of two massive particles at two-loop (3PM) level. We find that in this limit the real part of the eikonal, determining the deflection angle, is universal for gravitational theories in the two derivative approximation. This means that, regardless of the number of supersymmetries or the nature of the probes, the result connects smoothly with the massless case discussed since the late eighties by Amati, Ciafaloni and Veneziano. We analyse the problem both by using the analyticity and crossing properties of the scattering amplitudes and, in the case of the maximally supersymmetric theory, by explicit evaluation of the 4-point 2-loop amplitude using the results for the integrals in the full soft region. The first approach shows that the observable we are interested in is determined by the inelastic tree-level amplitude describing the emission of a graviton in the high-energy double-Regge limit, which is the origin of the universality property mentioned above. The second approach strongly suggests that the inclusion of the whole soft region is a necessary (and possibly sufficient) ingredient for recovering ultra relativistic finiteness and universality at the 3PM level. We conjecture that this universality persists at all orders in the PM expansion.
description: 20 pages, 1 figure
Wydatki na ochronę środowiska w Polsce
Creators: name: Górska, Anna
name: Górska, Anna
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Environmental Economics and Policy
subject: environmental protection
subject: outlays on fixed assets for environmental protection
subject: /ochrona środowiska
subject: nakłady na środki trwałe służące ochronie środowiska

description: Investment outlays for environmental protection are closely related to the system of public finance. Research investment for environmental protection in Poland was initiated only in 1970’s. Until now, information system investment outlays on environmental protection in Poland and Europe are still under construction. Despite annual increases, spending has not reached the desired level which was determined during negotiations for Polish entry to the European Union in 2004. / Synopsis. Nakłady inwestycyjne na ochronę środowiska są bardzo ściśle związane z systemem finansów publicznych. Badanie nakładów na ochronę środowiska w Polsce zapoczątkowane zostało dopiero w latach siedemdziesiątych XX wieku. Do tej pory system informacji o nakładach na ochronę środowiska w Polsce i Europie jest ciągle budowany. Pomimo corocznego wzrostu wielkości nakładów nie osiąga on zamierzonego poziomu jaki wyznaczono przy negocjacjach wejścia Polski do struktur Unii Europejskiej w 2004 r.
Coulomb Corrections for Bose-Einstein Correlations from One- And Three-Dimensional Lévy-Type Source Functions
Creators: name: Kurgyis, Bálint
name: Kincses, Dániel
name: Nagy, Márton
name: Csanád, Máté
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the study of femtoscopic correlations in high-energy physics, besides Bose--Einstein correlations, one has to take final-state interactions into account. Amongst them, Coulomb interactions play a prominent role in the case of charged particles. Recent measurements have shown that in heavy-ion collisions, Bose--Einstein correlations can be best described by Lévy-type sources instead of the more common Gaussian assumption. Furthermore, three-dimensional measurements have indicated that, depending on the choice of frame, a deviation from spherical symmetry observed under the assumption of Gaussian source functions persists in the case of Lévy-type sources. To clarify such three-dimensional Lévy-type correlation measurements, it is thus important to study the effect of Coulomb interactions in the case of non-spherical Lévy sources. We calculated the Coulomb correction factor numerically in the case of such a source function for assorted kinematic domains and parameter values using the Metropolis--Hastings algorithm and compared our results with previous methods to treat Coulomb interactions in the presence of Lévy sources.
description: 12 pages, 3 figures (Equation (30) corrected in latest version)
Ratchet behavior in nonlinear Klein-Gordon systems with point-like inhomogeneities
Creators: name: Morales-Molina, Luis
name: Mertens, Franz G.
name: Sanchez, Angel
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: Pattern Formation and Solitons (nlin.PS)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: We investigate the ratchet dynamics of nonlinear Klein-Gordon kinks in a periodic, asymmetric lattice of point-like inhomogeneities. We explain the underlying rectification mechanism within a collective coordinate framework, which shows that such system behaves as a rocking ratchet for point particles. Careful attention is given to the kink width dynamics and its role in the transport. We also analyze the robustness of our kink rocking ratchet in the presence of noise. We show that the noise activates unidirectional motion in a parameter range where such motion is not observed in the noiseless case. This is subsequently corroborated by the collective variable theory. An explanation for this new phenomenom is given.
Analiza łańcucha dostaw produktów mlecznych w kontekście zanieczyszczenia środowiska
Creators: name: Jarzębowski, Sebastian
name: Jarzębowski, Sebastian
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Environmental Economics and Policy
subject: Livestock Production/Industries
subject: supply chain
subject: dairy products
subject: environmental impact
subject: / łańcuch dostaw
subject: produkty mleczne
subject: oddziaływanie na środowisko

description: Within the framework of the paper, primary production and dairy farm stages were identified and analyzed with regard to their impact on the environment. Four aspects were taken into consideration, mainly: global warming, energy use, water use and waste management. Out of all impact categories, the farm phase is localized as the hot spot for environmental degradation. / Synopsis. W artykule zidentyfikowano ogniwa łańcucha dostaw produktów mlecznych oraz przeanalizowano je pod względem oddziaływania na środowisko naturalne. Pod uwagę wzięte zostały cztery aspekty, a mianowicie globalne ocieplenie klimatu, zużycie energii, zużycie wody oraz gospodarka odpadami. Gospodarstwa rolnicze okazały się być ogniwem najbardziej zanieczyszczającym środowisko prawie we wszystkich omawianych w artykule obszarach.
Impact of baryon resonances on the chiral phase transition at finite temperature and density
Creators: name: Zschiesche, D.
name: Zeeb, G.
name: Schramm, S.
name: Stoecker, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the phase diagram of a generalized chiral SU(3)-flavor model in mean-field approximation. In particular, the influence of the baryon resonances, and their couplings to the scalar and vector fields, on the characteristics of the chiral phase transition as a function of temperature and baryon-chemical potential is investigated. Present and future finite-density lattice calculations might constrain the couplings of the fields to the baryons. The results are compared to recent lattice QCD calculations and it is shown that it is non-trivial to obtain, simultaneously, stable cold nuclear matter.
description: 18 pages, 7 figures
Quantum entanglement percolation under a realistic restriction
Creators: name: Khanna, Shashaank
name: Halder, Saronath
name: Sen, Ujjwal
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The problem of establishing Bell and Greenberger-Horne-Zeilinger states between faraway places or distant nodes of a circuit is a difficult and an extremely important one, and a strategy which addresses it is entanglement percolation. We provide a method for attaining the end through a quantum measurement strategy involving three-, two-, and single-qubit measurements on a single-layer honeycomb lattice of partially entangled pure bipartite entangled states. We then move over to a double-layered lattice, and introduce entanglement percolation on that lattice under a realistic restriction on local quantum operations and classical communication allowed on the nodes of the lattice. When applied to a single-layered honeycomb lattice, our strategy would call for less noise effects in an actual realization than when the same phenomenon is attained via existing methods. Moreover, for the double-layered honeycomb lattice, we report advantage of quantum entanglement percolation over classical entanglement percolation under the realistic restriction.
description: title changed, new results added, revised version
DEMO: Attaching InternalBlue to the Proprietary macOS IOBluetooth Framework
Creators: name: Toldo, Davide
name: Classen, Jiska
name: Hollick, Matthias
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: In this demo, we provide an overview of the macOS Bluetooth stack internals and gain access to undocumented low-level interfaces. We leverage this knowledge to add macOS support to the InternalBlue firmware modification and wireless experimentation framework.
description: 13th ACM Conference on Security and Privacy in Wireless and Mobile Networks
End-to-end Kernel Learning via Generative Random Fourier Features
Creators: name: Fang, Kun
name: Liu, Fanghui
name: Huang, Xiaolin
name: Yang, Jie
Publisher: name: arXiv
Year: 2020
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Random Fourier features (RFFs) provide a promising way for kernel learning in a spectral case. Current RFFs-based kernel learning methods usually work in a two-stage way. In the first-stage process, learning the optimal feature map is often formulated as a target alignment problem, which aims to align the learned kernel with the pre-defined target kernel (usually the ideal kernel). In the second-stage process, a linear learner is conducted with respect to the mapped random features. Nevertheless, the pre-defined kernel in target alignment is not necessarily optimal for the generalization of the linear learner. Instead, in this paper, we consider a one-stage process that incorporates the kernel learning and linear learner into a unifying framework. To be specific, a generative network via RFFs is devised to implicitly learn the kernel, followed by a linear classifier parameterized as a full-connected layer. Then the generative network and the classifier are jointly trained by solving the empirical risk minimization (ERM) problem to reach a one-stage solution. This end-to-end scheme naturally allows deeper features, in correspondence to a multi-layer structure, and shows superior generalization performance over the classical two-stage, RFFs-based methods in real-world classification tasks. Moreover, inspired by the randomized resampling mechanism of the proposed method, its enhanced adversarial robustness is investigated and experimentally verified.
description: Accepted by Pattern Recognition
title: Die Türkei auf dem Weg zur Autokratie
title: wirtschaftliche Folgen und Handlungsmöglichkeiten der EU und Deutschlands
titleType: Subtitle
Creators: name: Aydın, Yaşar
Publisher: name: Stiftung Wissenschaft und Politik (SWP), German Institute for International and Security Affairs
publisherIdentifier: https://d-nb.info/gnd/2023076-X
publisherIdentifierScheme: GND
Year: 2025

description: SWP-Aktuell, 17/2025
Supporting Figures and Tables from Adaptive strategies of high-flying migratory hoverflies in response to wind currents
Creators: name: Boya Gao
name: Wotton, Karl R.
name: Hawkes, Will L. S.
name: Menz, Myles H. M.
name: Reynolds, Don R.
name: Zhai, Bao-Ping
name: Hu, Gao
name: Chapman, Jason W.
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 60801 Animal Behaviour

description: Figures S1 - S7 and Tables S1 - S5
Infinitely many non-isotopic real symplectic forms on $S^2 \times S^2$
Creators: name: Smirnov, Gleb
Publisher: name: arXiv
Year: 2020
Subjects: subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics

description: Let $(S^2,ω)$ be a symplectic sphere, and let $τ\colon S^2 \to S^2$ be an anti-symplectic involution of $(S^2,ω)$. We consider the product $(S^2,ω) \times (S^2,ω)$ endowed with the anti-symplectic involution $τ\times τ$, and study the space of monotone anti-invariant symplectic forms on this four-manifold. We show that this space is disconnected. In addition, during the course of the proof, we produce a diffeomorphism of the grassmannian (2,4) which induces the identity map on all homology and homotopy groups, but which is not homotopic to the identity.
description: 9 pages; nothing's changed; accepted for publication by the Journal of Topology
Prestige, piety and moral perfection : Deruta maiolica and the social and cultural value of a decorative object
Creators: name: Clarke, Angela Judy
Publisher: name: University of British Columbia
Year: 2010

description: A study of four of images commonly found on Deruta maiolica produced between 1500 and 1550 is used to show how the lives of Umbrian middle class women were affected by comportment and social interaction, private devotional interests and their relationship with the Catholic Church hierarchy. The conclusions are based on four categories of images (bella donna plates, four female lay saints, St. Francis receiving the stigmata and St. Francis in prayer) combined with information from literary, archival and visual sources. Women were given bella donna plates by their husbands. These encouraged the new bride to study exemplary women, such as Isabella d’ Este and the Erythrean sibyl in order to learn how to interact in public. Although the illustrious or exemplary aristocratic women were unknown to middle class women, much of their behaviour was assumed by looking at their carefully comported images. Middle class women were also provided with comportment manuals to further educate themselves. The ceramic plates featuring the four lay saints show how middle class Umbrian women embraced a specific typology of saint. The four saints possessed a common story to the degree that they almost seemed interchangeable. This specific typology appealed to Umbrian women because they represented their personal concerns: namely, the conflict between their devotional needs versus the demands of marriage and children. The two images of St. Francis in prayer and receiving the stigmata on Deruta plates show how the Franciscan Order had bonded with Umbrian women and relied on them to adopt and disseminate the cult of its saint and its devotional practices. The authority of St. Francis and the Franciscan Order spread rapidly throughout Italy during 16th. century, because of the devotional and monetary support of middle class Umbrian women. While they had little power of their own within the Church and social hierarchy of Italy, they were able to affect the culture of Italian society through their support of specific religious orders. Finally, this study examines the history of maiolica collecting in order to determine how the placement, time and the gender of the owner and the observer can alter the significance of the object throughout history. This concept, known as axiology, is examined in order to determine how maiolica is valued presently as a museum object and a subject of scholarly study.
Stosunki handlowe Polski z Niemcami w latach 2003-2012 ze szczególnym uwzględnieniem handlu artykułami rolno-spożywczymi
Creators: name: Kacperska, Elżbieta
name: Kacperska, Elżbieta
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: International Relations/Trade
subject: trade relations
subject: agri-food products
subject: Polish-Germany trade
subject: /stosunki handlowe
subject: produkty rolno-spożywcze
subject: handel polsko-niemiecki

description: Present article analyzes the changes in the Polish - German trade with particular emphasis on agriculture - food products in the years 2003-2012. Analysis of trade development shows Germany as the leading partner of Poland. In the analyzed period, the balance of trade in agri-food products was positive. The value of exports to Germany in 2012 amounted to EUR 3.8 billion and its share in agri-food exports accounted for 22% of the total. Processed products of plants and animals dominated in the structure of the Polish exports. / Synopsis. W artykule przeanalizowano zmiany w polsko – niemieckiej wymianie handlowej ze szczególnym uwzględnieniem artykułów rolno-spożywczych w latach 2003-2012. Przeanalizowane w opracowaniu obroty handlowe wskazują na wiodącą pozycję Niemiec jako partnera Polski. W analizowanym okresie saldo obrotów handlowych artykułami rolno-spożywczymi było dodatnie. Wartość eksportu do Niemiec w 2012 r. wyniosła 3,8 mld EUR a jego udział w eksporcie rolno-spożywczym ogółem stanowił 22%. W strukturze polskiego eksportu dominowały produkty przetworzone pochodzenia roślinnego i zwierzęcego.
Zitterbewegung of electronic wave packets in semiconductor nanostructures
Creators: name: Schliemann, John
name: Loss, Daniel
name: Westervelt, R. M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the zitterbewegung of electronic wave packets in III-V zinc-blende semiconductor quantum wells due to spin-orbit coupling. Our results suggest a direct experimental proof of this fundamental effect, confirming a long-standing theoretical prediction. For electron motion in a harmonic quantum wire, we numerically and analytically find a resonance condition maximizing the zitterbewegung.
description: 5 pages, 2 figures included, a few remarks added, to appear in Phys. Rev. Lett
Wpływ środków pomocowych WPR 2007-2013 na zmiany w wybranych gospodarstwach rolnych
Creators: name: Kiełbasa, Barbara
name: Kiełbasa, Barbara
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Community/Rural/Urban Development
subject: Farm Management
subject: agricultural holding
subject: change
subject: innovation
subject: CAP 2007-2013
subject: /gospodarstwo rolne
subject: zmiana
subject: innowacja
subject: WPR 2007-2013

description: The paper presents partial results of empirical research conducted in three Polish provinces: Łódzkie, Małopolskie and Opolskie on a sample of 60 agricultural holdings which differ in terms of economic size. The study was conducted by interviewing managers of individual farms. Most of the farmers - managers of the surveyed households, recognized that European integration has a significant effect on the rate of implementation of innovation. In many cases it was a factor in forcing changes and adaptation to the requirements prevailing on the European market. / Synopsis. Artykuł przedstawia cząstkowe wyniki badań prowadzonych na próbie 60 gospodarstw różniących się pod względem wielkości ekonomicznej z trzech województw: łódzkiego, małopolskiego i opolskiego. Badania realizowano metodą wywiadu bezpośredniego z kierownikami indywidualnych gospodarstw rolnych. Większość kierowników badanych gospodarstw uznała, że integracja europejska miała istotny wpływ na szybkość wdrażania innowacji w gospodarstwach. W wielu przypadkach była czynnikiem wymuszającym zmiany i dostosowanie gospodarstw do wymogów panujących na rynku europejskim.
Towards correlation self-testing of quantum theory in the adaptive Clauser-Horne-Shimony-Holt game
Creators: name: Weilenmann, Mirjam
name: Colbeck, Roger
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Correlation self-testing of a theory addresses the question of whether we can identify the set of correlations realisable in a theory from its performance in a particular information processing task. Applied to quantum theory it aims to identify an information processing task whose optimal performance is achieved only by theories realising the same correlations as quantum theory in any causal structure. In [Phys. Rev. Lett. 125 060406 (2020)] we introduced a candidate task for this, the adaptive CHSH game. Here, we analyse the maximum probability of winning this game in different generalised probabilistic theories. We show that theories with a joint state space given by the minimal or the maximal tensor product are inferior to quantum theory, before considering other tensor products in theories whose elementary systems have various two-dimensional state spaces. For these, we find no theories that outperform quantum theory in the adaptive CHSH game and prove that it is impossible to recover the quantum performance in various cases. This is the first step towards a general solution that, if successful, will have wide-ranging consequences, in particular, enabling an experiment that could rule out all theories in which the set of realisable correlations does not coincide with the quantum set.
description: 12+2 pages, 2 figures; v2: typos corrected; v3: small correction to proof of Lemma 2; v4: error in table top of p.7 corrected