cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Turning a Newtonian analogy for FLRW cosmology into a relativistic problem
Creators: name: Faraoni, Valerio
name: Atieh, Farah
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A Newtonian uniform ball expanding in empty space constitutes a common heuristic analogy for FLRW cosmology. We discuss possible implementations of the corresponding general-relativistic problem and a variety of new cosmological analogies arising from them. We highlight essential ingredients of the Newtonian analogy, including that the quasilocal energy is always `Newtonian' in the sense that the magnetic part of the Weyl tensor does not contribute to it. A symmetry of the Einstein-Friedmann equations produces another one in the original Newtonian system.
description: 12 pages
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie. 6.1909
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie
Creators: name: Bovenschen, Albert (Red.)
Publisher: name: Philipps-Universität Marburg
Year: 1909
Subjects: Zeitung
General history of Europe Central Europe Germany
Geschichte Deutschlands

description: Elektronische Reproduktion von: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie / Albert Bovenschen. Reichsverband gegen die Sozialdemokratie. - Berling : Dr. Gutenberg, 6.1909. - Standort: Universität Marburg, Universitätsbibliothek. - Signatur: XVII B 57 wo. - Bemerkungen: Hauptsacht. 1911,1-14: Wahlkorrespondenz des Reichsverbandes gegen die Sozialdemokratie. - Als Ms. gedr. - Periodizität: wöchentl., anfangs unregelmäßig. - Nr.1-14, Nr. 16-34; Nr. 39; Nr. 44 fehlen. - Digitalisiert 2021
Additional file 1 of Validation of a point-of-care capillary lactate measuring device (Lactate Pro 2)
Creators: name: Raa, Anette
name: Sunde, Geir Arne
name: Bolann, Bjørn
name: Kvåle, Reidar
name: Bjerkvig, Christopher
name: Eliassen, Håkon S.
name: Wentzel-Larsen, Tore
name: Jon-Kenneth Heltne
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Physiology
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Hematology

description: Additional file 1: Supplementary Table 1. Healthy Volunteers. Supplementary Table 2. ICU patients.
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie. 7.1910
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie
Creators: name: Bovenschen, Albert (Red.)
Publisher: name: Philipps-Universität Marburg
Year: 1910
Subjects: Zeitung
General history of Europe Central Europe Germany
Geschichte Deutschlands

description: Elektronische Reproduktion von: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie / Albert Bovenschen. Reichsverband gegen die Sozialdemokratie. - Berling : Dr. Gutenberg, 7.1910. - Standort: Universität Marburg, Universitätsbibliothek. - Signatur: XVII B 57 wo. - Bemerkungen: Hauptsacht. 1911,1-14: Wahlkorrespondenz des Reichsverbandes gegen die Sozialdemokratie. - Als Ms. gedr. - Periodizität: wöchentl., anfangs unregelmäßig. - Nr.5; Nr.8; Nr.13; Nr.17; Nr. 27-30 fehlen. - Digitalisiert 2021
Entanglement Swapping: Entangling Atoms That Never Interacted
Creators: name: Guerra, E. S.
name: Carvalho, C. R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this paper we discuss four different proposals of entangling atomic states of particles which have never interacted. The experimental realization proposed makes use of the interaction of Rydberg atoms with a micromaser cavity prepared in either a coherent state or in a superposition of the zero and one field Fock states. We consider atoms in either a three-level cascade or lambda configuration
description: 17 pages and 2 figures
Rössler, Roman, Das Weltbild Nikolai Berdjajews
Creators: name: Schrader, Hildegard
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 6 Nr. 4 (1957): Ökumenische Rundschau, Band 6, Heft 4
Multicritical Point Relations in Three Dual Pairs of Hierarchical-Lattice Ising Spin-Glasses
Creators: name: Hinczewski, Michael
name: Berker, A. Nihat
Publisher: name: arXiv
Year: 2005
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: The Ising spin-glasses are investigated on three dual pairs of hierarchical lattices, using exact renormalization-group transformation of the quenched bond probability distribution. The goal is to investigate a recent conjecture which relates, on such pairs of dual lattices, the locations of the multicritical points, which occur on the Nishimori symmetry line. Towards this end we precisely determine the global phase diagrams for these six hierarchical spin-glasses, using up to 2.5 x 10^9 probability bins to represent the quenched distribution subjected to an exact renormalization-group transformation. We find in all three cases that the conjecture is realized to a very good approximation, even when the mutually dual models belong to different spatial dimensionalities d and have different phase diagram topologies at the multicritical points of the conjecture and even though the contributions to the conjecture from each lattice of the dual pair are strongly asymmetric. In all six phase diagrams, we find reentrance near the multicritical point. In the models with d=2 or 1.5, the spin-glass phase does not occur and the phase boundary between the ferromagnetic and paramagnetic phases is second order with a strong violation of universality. PACS numbers: 75.10.Nr, 64.60.Kw, 05.45.Df, 05.10.Cc
description: 6 pages, 6 figures, journal reference added
Wavefunctions and counting formulas for quasiholes of clustered quantum Hall states on a sphere
Creators: name: Read, N.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The quasiholes of the Read-Rezayi clustered quantum Hall states are considered, for any number of particles and quasiholes on a sphere, and for any degree k of clustering. A set of trial wavefunctions, that are zero-energy eigenstates of a k+1-body interaction, and so are symmetric polynomials that vanish when any k+1 particle coordinates are equal, is obtained explicitly and proved to be both complete and linearly independent. Formulas for the number of states are obtained, without the use of (but in agreement with) conformal field theory, and extended to give the number of states for each angular momentum. An interesting recursive structure emerges in the states that relates those for k to those for k-1. It is pointed out that the same numbers of zero-energy states can be proved to occur in certain one-dimensional models that have recently been obtained as limits of the two-dimensional k+1-body interaction Hamiltonians, using results from the combinatorial literature.
description: 9 pages. v2: minor corrections; additional references; note added on connection with one-dimensional Hamiltonians of recent interest
A psychoanalytic study of Buñuel’s cinema
Creators: name: Park, Mi Soo
Publisher: name: University of British Columbia
Year: 2009

description: The objective of this thesis is to attempt a semiotic- psychoanalytic reading of the cinema of Bunuel. For this proposal we have selected three films of the director, An Andalusian dog, Land without bread and The obscure object of desire. The criteria that has led to this particular selection of films takes into account a wide range of variables to be contrasted to the psychoanalytical determinants that, we propose, play a decisive role in the form and content of the productions. The different variables present in these films are: genre (Surrealist, documentary and traditional narratives), thematics (surrealistic, erotic and socio-etnographic study), time of creativity (early adulthood, senility) and socio-cultural conditions of production (Spain, France). Our intended psychoanalytic study focuses on the creator's unconscious motivations that regulate, in a rather compulsive way, the poetics of love or life indistinctively present in all these cinematic creations. In order to reach to this interpretative stance, we will follow the different methodological steps of a semiotic reading of the texts that will discern their cinematographically denotative and connotative devises and contents. This way of illuminating art through psychoanalysis is reflected on the Freudian idea that creativity constitutes one of the mysterious human manifestations in which the instincts channel their conflicts in a socially disguised way, in order to pursue the desired gratification.
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie. 8. 1911
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie
Creators: name: Bovenschen, Albert (Red.)
Publisher: name: Philipps-Universität Marburg
Year: 1911
Subjects: Zeitung
General history of Europe Central Europe Germany
Geschichte Deutschlands

description: Elektronische Reproduktion von: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie / Albert Bovenschen. Reichsverband gegen die Sozialdemokratie. - Berling : Dr. Gutenberg, 8.1911. - Standort: Universität Marburg, Universitätsbibliothek. - Signatur: XVII B 57 wo. - Bemerkungen: Hauptsacht. 1911,1-14: Wahlkorrespondenz des Reichsverbandes gegen die Sozialdemokratie. - Als Ms. gedr. - Periodizität: wöchentl., anfangs unregelmäßig. - Nr.10; Nr.12; Nr.13; Nr.34 fehlen. - Digitalisiert 2021
Additional file 1 of Intranasal exposure of African green monkeys to SARS-CoV-2 results in acute phase pneumonia with shedding and lung injury still present in the early convalescence phase
Creators: name: Cross, Robert W.
name: Agans, Krystle N.
name: Abhishek N. Prasad
name: Borisevich, Viktoriya
name: Woolsey, Courtney
name: Deer, Daniel J.
name: Dobias, Natalie S.
name: Geisbert, Joan B.
name: Fenton, Karla A.
name: Geisbert, Thomas W.
Publisher: name: figshare
Year: 2020
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases
subject: 60506 Virology

description: Additional file 1: Figure S1: Longitudinal temperature monitoring of SARS-CoV-2 infected AGMs. Temperature was longitudinally monitored for all animals via surgically-implanted temperature loggers (see Materials and methods). Data shown for all animals begins 1 day prior to infection (− 1) and terminates in the morning of day 5 post-infection, when AGM-1, AGM-2, and AGM-3 were euthanized. Periods of elevated temperature are indicated in red. Arrows denote time of challenge.
Outage Probability Analysis of THz Relaying Systems
Creators: name: Boulogeorgos, Alexandros-Apostolos A.
name: Alexiou, Angeliki
Publisher: name: arXiv
Year: 2020
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper focuses on quantifying the outage performance of terahertz (THz) relaying systems. In this direction, novel closed-form expressions for the outage probability of a dual-hop relaying system, in which both the source-relay and relay-destination links suffer from fading and stochastic beam misalignment, are extracted. Our results reveal the importance of taking into account the impact of beam misalignment when characterizing the outage performance of the system as well as when selecting the transmission frequencies.
description: 7 pages, 10 figures, conference
Thermal activation of vortex-antivortex pairs in quasi-2D Bose-Einstein condensates
Creators: name: Simula, T. P.
name: Blakie, P. B.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: Here we show, by performing ab initio classical field simulations that two distinct superfluid phases, separated by thermal vortex-antivortex pair creation, exist in experimentally producible quasi-2D Bose gas. These results resolve the debate on the nature of the low temperature phase(s) of a trapped interacting 2D Bose gas.
description: 4 pages, 3 figures. Additional info: http://www.physics.otago.ac.nz/uca/resources/BECBKT.html
[Brev til DKNVS]
Creators: name: Tønsberg, Chr.
name: Det Kongelige Norske Videnskabers Selskab (DKNVS)
Publisher: name: Unknown
Year: 1853

description: Oversender bl.a. en del av Munchs historie. Søker om lån
description: Poststemplets dato. Polydoc nr. 1: 3805. Polydoc nr. 2: 2899.
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie. 9.1912
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie
Creators: name: Bovenschen, Albert (Red.)
Publisher: name: Philipps-Universität Marburg
Year: 1912
Subjects: Zeitung
General history of Europe Central Europe Germany
Geschichte Deutschlands

description: Elektronische Reproduktion von: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie / Albert Bovenschen. Reichsverband gegen die Sozialdemokratie. - Berling : Dr. Gutenberg, 9.1912. - Standort: Universität Marburg, Universitätsbibliothek. - Signatur: XVII B 57 wo. - Bemerkungen: Hauptsacht. 1911,1-14: Wahlkorrespondenz des Reichsverbandes gegen die Sozialdemokratie. - Als Ms. gedr. - Periodizität: wöchentl., anfangs unregelmäßig. - 1912 Nr. 8 - Nr. 58 (05.Januar - 27.Dezember 1912). Es fehlen: Nr.16; Nr.25; Nr.52 . - Digitalisiert 2021
Additional file 2 of Intranasal exposure of African green monkeys to SARS-CoV-2 results in acute phase pneumonia with shedding and lung injury still present in the early convalescence phase
Creators: name: Cross, Robert W.
name: Agans, Krystle N.
name: Abhishek N. Prasad
name: Borisevich, Viktoriya
name: Woolsey, Courtney
name: Deer, Daniel J.
name: Dobias, Natalie S.
name: Geisbert, Joan B.
name: Fenton, Karla A.
name: Geisbert, Thomas W.
Publisher: name: figshare
Year: 2020
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases
subject: 60506 Virology

description: Additional file 2: Table S1: Clinical description and outcome of African green monkeys following SARS-CoV-2 challenge. Days after SARS-CoV-2 challenge are in parentheses. All reported findings are in comparison to baseline (d0) values. Decreased appetite is defined as some food but not all food consumed from the previous day. Anorexia is defined as no food consumed from the previous day. Lymphocytopenia, monocytopenia, erythrocytopenia, thrombocytopenia, neutropenia, eosinopenia, and basopenia are defined by a ≥ 35% drop in numbers of lymphocytes, monocytes, erythrocytes, platelets, neutrophils, eosinophils, and basophils, respectively. Lymphocytosis, monocytosis, neutrophilia, eosinophilia, and basophilia are defined by a 100% or greater increase in numbers of lymphocytes, monocytes, neutrophils, eosinophils, or basophils, respectively. Hyperglycemia is defined as a 100% or greater increase in levels of glucose. Hypoglycemia is defined by a ≥ 25% decrease in levels of glucose. Hypoalbuminemia is defined by a ≥ 25% decrease in levels of albumin. Hypoproteinemia is defined by a ≥ 25% decrease in levels of total protein. Hypoamylasemia is defined by a ≥ 25% decrease in levels of serum amylase. Hypocalcemia is defined by a ≥ 25% decrease in levels of serum calcium. Hypercapnia was defined as having a partial CO2 > 4 mmHg over d0 baseline values. (ALT) alanine aminotransferase, (AST) aspartate aminotransferase, (ALP) alkaline phosphatase, (CRE) Creatinine, (CRP) C-reactive protein, (Hct) hematocrit, (Hgb) hemoglobin.
Thin-shell wormholes in AdS$_5$ and string dioptrics
Creators: name: Chernicoff, Mariano
name: García, Edel
name: Giribet, Gaston
name: de Celis, Emilio Rubín
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider string probes in a traversable wormhole geometry that connects two locally AdS$_5$ asymptotic regions. Holographically, this describes two interacting copies of a 4-dimensional gauge theory. We consider string configurations whose endpoints are located either in the same boundary or in the two different boundaries of the wormhole. A string with both endpoints in the same boundary is dual to a quark-antiquark pair charged under the same gauge field, while a string extending through the wormhole describes a pair of colored particles charged under two different gauge fields. When one considers a quark-antiquark pair in each boundary, the system undergoes a phase transition: While for small separation each pair of charges exhibits Coulomb interaction, for large separation the charges in different field theories pair up. This behavior had previously been observed in other geometric realizations such as locally AdS$_5$ wormhole solutions with hyperbolic throats. The geometries we consider here, in contrast, are stable thin-shell wormholes with flat codimension-one hypersurfaces at fixed radial coordinate. They appear as electrovacuum solutions of higher-curvature gravity theories coupled to Abelian gauge fields. The presence of the thin-shells produces a refraction of the string configurations in the bulk, leading to the presence of cusps in the phase space diagram. We discuss these and other features of the phase diagram, including the analogies and difference with other wormhole solutions considered in related contexts.
description: 24 pages, 6 figures
Iwasawa theory and the Eisenstein ideal
Creators: name: Sharifi, Romyar T.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Number Theory (math.NT)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 11R23; 11R34

description: In this paper, we relate three objects. The first is a particular value of a cup product in the cohomology of the Galois group of the maximal unramified outside p extension of a cyclotomic field containing the pth roots of unity. The second is an Iwasawa module over a nonabelian extension of the rationals, a subquotient of the maximal pro-p abelian unramified completely split at p extension of a certain pro-p Kummer extension of a cyclotomic field that contains all p-power roots of unity. The third is the quotient of an Eisenstein ideal in an ordinary Hecke algebra of Hida by the square of the Eisenstein ideal and the element given by the pth Hecke operator minus one. For the relationship between the latter two objects, we employ the work of Ohta, in which he considered a certain Galois action on an inverse limit of cohomology groups to reestablish the Main Conjecture (for p at least 5) in the spirit of the Mazur-Wiles proof. For the relationship between the former two objects, we construct an analogue to the global reciprocity map for extensions with restricted ramification. These relationships, and a computation in the Hecke algebra, allow us to prove an earlier conjecture of McCallum and the author on the surjectivity of a pairing formed from the cup product for p < 1000. We give one other application, determining the structure of Selmer groups of the modular representation considered by Ohta modulo the Eisenstein ideal.
description: 37 pages
Nano-photocurrent mapping of local electronic structure in twisted bilayer graphene
Creators: name: Sunku, Sai S.
name: McLeod, Alexander S.
name: Stauber, Tobias
name: Yoo, Hyobin
name: Halbertal, Dorri
name: Ni, Guangxin
name: Sternbach, Aaron
name: Jiang, Bor-Yuan
name: Taniguchi, Takashi
name: Watanabe, Kenji
name: Kim, Philip
name: Fogler, Michael M.
name: Basov, D. N.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We report a combined nano-photocurrent and infrared nanoscopy study of twisted bilayer graphene (TBG) enabling access to the local electronic phenomena at length scales as short as 20 nm. We show that the photocurrent changes sign at carrier densities tracking the local superlattice density of states of TBG. We use this property to identify domains of varying local twist angle by local photo-thermoelectric effect. Consistent with the photocurrent study, infrared nano-imaging experiments reveal optical conductivity features dominated by twist-angle dependent interband transitions. Our results provide a fast and robust method for mapping the electronic structure of TBG and suggest that similar methods can be broadly applied to probe electronic inhomogeneities of moiré superlattices in other van der Waals heterostructures.
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie. 10.1913
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie
Creators: name: Bovenschen, Albert (Red.)
Publisher: name: Philipps-Universität Marburg
Year: 1913
Subjects: General history of Europe Central Europe Germany
Geschichte Deutschlands
Zeitung

description: Elektronische Reproduktion von: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie / Albert Bovenschen. Reichsverband gegen die Sozialdemokratie. - Berling : Dr. Gutenberg, 10.1913. - Standort: Universität Marburg, Universitätsbibliothek. - Signatur: XVII B 57 wo. - Bemerkungen: Hauptsacht. 1911,1-14: Wahlkorrespondenz des Reichsverbandes gegen die Sozialdemokratie. - Als Ms. gedr. - Periodizität: wöchentl., anfangs unregelmäßig. - Es fehlen: Nr.4 - Nr.7; Nr.23. - Digitalisiert 2021
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie. 11.1914
title: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie
Creators: name: Bovenschen, Albert (Red.)
Publisher: name: Philipps-Universität Marburg
Year: 1914
Subjects: Zeitung
General history of Europe Central Europe Germany
Geschichte Deutschlands

description: Elektronische Reproduktion von: Korrespondenz des Reichsverbandes gegen die Sozialdemokratie / Albert Bovenschen. Reichsverband gegen die Sozialdemokratie. - Berling : Dr. Gutenberg, 11.1914. - Standort: Universität Marburg, Universitätsbibliothek. - Signatur: XVII B 57 wo. - Bemerkungen: Hauptsacht. 1911,1-14: Wahlkorrespondenz des Reichsverbandes gegen die Sozialdemokratie. - Als Ms. gedr. - Periodizität: wöchentl., anfangs unregelmäßig. - Nr.1 - Nr.4 (03.Januar-30.Januar 1914). - Digitalisiert 2021
On the Skolem Problem and Prime Powers
Creators: name: Kenison, George
name: Lipton, Richard
name: Ouaknine, Joël
name: Worrell, James
Publisher: name: arXiv
Year: 2020
Subjects: subject: Number Theory (math.NT)
subject: Computational Complexity (cs.CC)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: G.0

description: The Skolem Problem asks, given a linear recurrence sequence $(u_n)$, whether there exists $n\in\mathbb{N}$ such that $u_n=0$. In this paper we consider the following specialisation of the problem: given in addition $c\in\mathbb{N}$, determine whether there exists $n\in\mathbb{N}$ of the form $n=lp^k$, with $k,l\leq c$ and $p$ any prime number, such that $u_n=0$.
description: 13 pages, ISSAC 2020
Additional file 1 of Increased phototoxic burn tolerance time and quality of life in patients with erythropoietic protoporphyria treated with afamelanotide – a three years observational study
Creators: name: Barman-Aksözen, Jasmin
name: Nydegger, Michèle
name: Xiaoye Schneider-Yin
name: Minder, Anna-Elisabeth
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: Ecology
subject: Developmental Biology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 1. Appendix S1: Quality of study data
Horizontal shear instabilities at low Prandtl number
Creators: name: Garaud, P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Turbulent mixing in the radiative regions of stars is usually either ignored or crudely accounted for in most stellar evolution models. However, there is growing theoretical and observational evidence that such mixing is present and can affect various aspects of a star's life. In this work, we present a first attempt at quantifying mixing by horizontal shear instabilities in stars using Direct Numerical Simulations. The shear is driven by a body force, and rapidly becomes unstable. At saturation, we find that several distinct dynamical regimes exist, depending on the relative importance of stratification and thermal diffusion (viscosity can in principle also matter, but is usually negligible in most stellar applications). In each of the regimes identified, we put forward a certain number of theoretically motivated scaling laws for the turbulent vertical eddy scale, the typical turbulent diffusion coefficient, and the typical amplitude of temperature fluctuations (among other quantities). Based on our findings, we predict that the majority of stars should fall into one of two categories: high Péclet number stratified turbulence, and low Péclet number stratified turbulence. The latter is presented in detail in a related paper by Cope et al. (2020), while the former is discussed here. Applying our results to the best-known stellar shear layer, namely the solar tachocline, we find that it should lie in the high Péclet number stratified turbulence regime, and predict a substantial amount of vertical mixing for temperature, momentum and composition. Taken as is, the new turbulence model predictions are incompatible with the Spiegel & Zahn (1992) model of the solar tachocline. However, we also show that rotation and magnetic fields are likely to affect the turbulence, and need to be taken into account in future studies.
description: Accepted for publication in the ApJ
Near mean-field behavior in the generalized Burridge-Knopoff earthquake model with variable range stress transfer
Creators: name: Xia, Junchao
name: Gould, Harvey
name: Klein, William
name: Rundle, John B.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Simple models of earthquake faults are important for understanding the mechanisms for their observed behavior in nature, such as Gutenberg-Richter scaling. Because of the importance of long-range interactions in an elastic medium, we generalize the Burridge-Knopoff slider-block model to include variable range stress transfer. We find that the Burridge-Knopoff model with long-range stress transfer exhibits qualitatively different behavior than the corresponding long-range cellular automata models and the usual Burridge-Knopoff model with nearest-neighbor stress transfer, depending on how quickly the friction force weakens with increasing velocity. Extensive simulations of quasiperiodic characteristic events, mode-switching phenomena, ergodicity, and waiting-time distributions are also discussed. Our results are consistent with the existence of a mean-field critical point and have important implications for our understanding of earthquakes and other driven dissipative systems.
description: 24 pages 12 figures, revised version for Phys. Rev. E
Polestar: An Intelligent, Efficient and National-Wide Public Transportation Routing Engine
Creators: name: Liu, Hao
name: Li, Ying
name: Fu, Yanjie
name: Mei, Huaibo
name: Zhou, Jingbo
name: Ma, Xu
name: Xiong, Hui
Publisher: name: arXiv
Year: 2020
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Public transportation plays a critical role in people's daily life. It has been proven that public transportation is more environmentally sustainable, efficient, and economical than any other forms of travel. However, due to the increasing expansion of transportation networks and more complex travel situations, people are having difficulties in efficiently finding the most preferred route from one place to another through public transportation systems. To this end, in this paper, we present Polestar, a data-driven engine for intelligent and efficient public transportation routing. Specifically, we first propose a novel Public Transportation Graph (PTG) to model public transportation system in terms of various travel costs, such as time or distance. Then, we introduce a general route search algorithm coupled with an efficient station binding method for efficient route candidate generation. After that, we propose a two-pass route candidate ranking module to capture user preferences under dynamic travel situations. Finally, experiments on two real-world data sets demonstrate the advantages of Polestar in terms of both efficiency and effectiveness. Indeed, in early 2019, Polestar has been deployed on Baidu Maps, one of the world's largest map services. To date, Polestar is servicing over 330 cities, answers over a hundred millions of queries each day, and achieves substantial improvement of user click ratio.
Saturation, traveling waves and fluctuations
Creators: name: Enberg, R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this talk I discuss the high energy asymptotics of QCD scattering, and its similarity to a reaction-diffusion process. I also discuss detailed numerical studies of the mean field approximation to this picture, i.e., the Balitsky-Kovchegov equation.
description: 5 pages. Talk presented at the DIS 2005 workshop, Madison, Wisconsin, and at the EDS05 conference, Blois, France
Accurate magnetic field measurements of Vega-like stars and Herbig Ae/Be stars
Creators: name: Hubrig, S.
name: Yudin, R. V.
name: Schoeller, M.
name: Pogodin, M. A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have obtained accurate circular spectropolarimetric observations for a sample of Vega-like and Herbig Ae/Be stars with FORS1 at the VLT in an attempt to detect their magnetic fields. No magnetic field could be diagnosed in any Vega-like star. The most accurate determination of a magnetic field, at 2.6 sigma level, has been performed for the Vega-like star iota Cen for which we have measured = -77+-30 G. In the prototype of Vega-like stars, the star beta Pictoris, which shows conspicuous signs of chromospheric activity, a longitudinal magnetic field is measured only at ~1.5 sigma level. We diagnose for the first time a longitudinal magnetic field at a level larger than 3 sigma for the two Herbig Ae stars HD31648 and HD144432 and we confirm the previous detection of a magnetic field in a third Herbig Ae star, HD139614. Finally, we discuss the discovery of distinctive Zeeman features in the unusual Herbig Ae star HD190073 where the Ca II doublet displays several components in both H and K lines. From the measurement of circular polarization in all Balmer lines from H_beta to H_8 we obtain = +26+-34 G. However, using for the measurement of circular polarization only the Ca II H and K lines, we are able to diagnose a longitudinal magnetic field at 2.8 sigma level, = +84+-30 G.
description: 7 pages, 3 figures, accepted for publication in A&A
Kautzenbach, Friedrich Wilhelm, Das Ringen um die Einheit der Kirche im Jahrhundert der Reformation
Creators: name: Moltmann, Jürgen
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 6 Nr. 4 (1957): Ökumenische Rundschau, Band 6, Heft 4
Additional file 2 of Probability of myopia in children with high refined carbohydrates consumption in France
Creators: name: Berticat, Claire
name: Mamouni, Sonia
name: Ciais, Angelique
name: Villain, Max
name: Raymond, Michel
name: Daien, Vincent
Publisher: name: figshare
Year: 2020
Subjects: subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 2. Original version of food frequency questionnaire.
Considering culture in development : the art of Capoeira as a vehicle for community mobilization, empowerment and non-formal education in Recife, Brazil
Creators: name: Freire, Claudia
Publisher: name: University of British Columbia
Year: 2009

description: Literature on Recife suggests that the various NGO's, CBO's and grassroots organizations of Recife constitute one of the strongest popular movements of any city of Brazil. Thus, the challenge to planners is to facilitate and encourage such groups in fostering citizen participation so that individuals of all classes, races and gender can have a voice and gain more control in decisions that affect their livelihood and their futures. Current literature defines 'empowerment' as a continuous process that enables people to better understand, upgrade and use their capacity to better control and gain power over their own lives. At the centre of empowerment are social learning and community mobilization, processes that can provide alternatives to the top-down practice of technocratic planning. Social learning and community mobilization focus on dialogue as a means to individual and group empowerment. Paulo Freire explores the importance of dialogue to education in his Pedagogy of the Oppressed and Education for Critical Consciousness. He proposes that education is a mutual process and that no one person has the answer, rather each person has knowledge based on his/her own experience and reflection. This thesis explores the role of popular arts in such processes, using as an example the Afro-Brazilian art of capoeira. The research, set in the context of Recife, attempts to illustrate the role capoeira plays as a vehicle for empowerment, social learning, community mobilization and non-formal education. It also intends to demonstrate the importance of culture and local knowledge to development and planning processes. The purpose of the research has been: • To explore links between the above mentioned processes and the art of capoeira. • To introduce a general study of two organizations in Recife which have applied the art of capoeira for the purpose of social betterment. • To present an in-depth study of the organization ASSOCAPE (Association of Capoeiras of Pernambuco) and the role it has taken in organizing the capoeira community in Recife. • To link the role of popular arts to planning practice.
Additional file 1 of An alternative approach to mapping pigments in paintings with hyperspectral reflectance image cubes using artificial intelligence
Creators: name: Kleynhans, Tania
name: Patterson, Catherine M. Schmidt
name: Dooley, Kathryn A.
name: Messinger, David W.
name: Delaney, John K.
Publisher: name: figshare
Year: 2020
Subjects: subject: Artificial Intelligence and Image Processing
subject: FOS: Computer and information sciences

description: Additional file 1: Figure S1. The four paintings from the Laudario used to create the training dataset for the 1D-CNN model. a The Nativity with the Annunciation to the Shepherds, Master of the Dominican Effigies, c. 1340, miniature on vellum, National Gallery of Art, Washington, D.C., Rosenwald Collection, 1949.5.87, b The Ascension of Christ, Pacino di Bonaguida, about 1340, Tempera and gold leaf on parchment. Getty Museum, Los Angeles, Ms. 80a (2005.26), verso, c The Martyrdom of Saint Lawrence, Pacino di Bonaguida, about 1340, Tempera and gold leaf on parchment. Getty Museum, Los Angeles, Ms. 80b(2006.13), verso ( d) Christ and the Virgin Enthroned with Forty Saints, Master of the Dominican Effigies, c.1340, miniature on vellum, National Gallery of Art, Washington, D.C., Rosenwald Collection, 1959.16.2. Digital images of (b), (c). Table S1. Summary of per class accuracy for the 1D-CNN model. The 25 pigment/mixture classes and their total class size is given along with the per class accuracy using 10-fold cross validation.) courtesy of the Getty's Open Content Program. Figure S2. The average reectance spectra for each of the pigment labeled classes in the training dataset used for the 1D-CNN model. Figure S3. The pigment labeled map created by using a lower threshold (0.85) in the 1D-CNN. Table S2. Summary of analyses, the Pentecost. Note that the RIS features listed are those identified by an expert user following manual data exploration. When available, fiber optic reflectance spectroscopy (FORS) and Raman analysis may provide additional information about the total chemical composition of each area. However, not all pigments identified are discernible in the RIS data cube on which the 1D-CNN is applied. Therefore, a simplified “pigment class” column notes the materials that should be identified in the paint by this technique. Table S3. Summary of analyses, Saint Peter Enthroned. Note that the RIS features listed are those identified by an expert user following manual data exploration. When available, fiber optic reflectance spectroscopy (FORS) analysis may provide additional information about the total chemical composition of each area. However, not all pigments identified are discernible in the RIS data cube on which the 1D-CNN is applied. Therefore, a simplified “pigment class” column notes the materials that should be identified in the paint by this technique.
Combined chips for atom-optics
Creators: name: Guenther, A.
name: Kemmler, M.
name: Kraft, S.
name: Vale, C. J.
name: Zimmermann, C.
name: Fortagh, J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We present experiments with Bose-Einstein condensates on a combined atom chip. The combined structure consists of a large-scale "carrier chip" and smaller "atom-optics chips", containing micron-sized elements. This allows us to work with condensates very close to chip surfaces without suffering from fragmentation or losses due to thermally driven spin flips. Precise three-dimensional positioning and transport with constant trap frequencies are described. Bose-Einstein condensates were manipulated with submicron accuracy above atom-optics chips. As an application of atom chips, a direction sensitive magnetic field microscope is demonstrated.
description: 9 pages, 9 figures
Applying Dynamic Training-Subset Selection Methods Using Genetic Programming for Forecasting Implied Volatility
Creators: name: Hamida, Sana Ben
name: Abdelmalek, Wafa
name: Abid, Fathi
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Finance (q-fin.GN)
subject: Computational Engineering, Finance, and Science (cs.CE)
subject: Neural and Evolutionary Computing (cs.NE)
subject: FOS: Economics and business
subject: FOS: Computer and information sciences
subject: 68Uxx

description: Volatility is a key variable in option pricing, trading and hedging strategies. The purpose of this paper is to improve the accuracy of forecasting implied volatility using an extension of genetic programming (GP) by means of dynamic training-subset selection methods. These methods manipulate the training data in order to improve the out of sample patterns fitting. When applied with the static subset selection method using a single training data sample, GP could generate forecasting models which are not adapted to some out of sample fitness cases. In order to improve the predictive accuracy of generated GP patterns, dynamic subset selection methods are introduced to the GP algorithm allowing a regular change of the training sample during evolution. Four dynamic training-subset selection methods are proposed based on random, sequential or adaptive subset selection. The latest approach uses an adaptive subset weight measuring the sample difficulty according to the fitness cases errors. Using real data from SP500 index options, these techniques are compared to the static subset selection method. Based on MSE total and percentage of non fitted observations, results show that the dynamic approach improves the forecasting performance of the generated GP models, specially those obtained from the adaptive random training subset selection method applied to the whole set of training samples.
description: 20 pages, 7 figures. arXiv admin note: text overlap with arXiv:2006.16407
Entanglement and correlation in two-nucleon systems
Creators: name: Kruppa, A T
name: Kovács, J
name: Salamon, P
name: Legeza, Ö
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Theory (nucl-th)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We examine the mode entanglement and correlation of two fermionic particles. We study the one- and two-mode entropy and a global characteristic, the one-body entanglement entropy. We consider not only angular momentum coupled states with single configuration but use the configuration interaction method. With the help of the Slater decomposition, we derive analytical expressions for the entanglement measures. We show that when the total angular momentum is zero specific single configurations describe maximally entangled states. It turns out that for a finite number of associated modes the one- and two-mode entropies have identical values. In the shell model framework, we numerically study two valence neutrons in the $sd$ shell. The one-body entanglement entropy of the ground state is close to the maximal value and the associated modes have the largest mutual information.
description: 20 pages, 1 figure
THE EFFECT OF CALIFORNIA WEATHER CONDITIONS ON PRICE PREMIA FOR ORGANICALLY GROWN VEGETABLES IN THE UNITED STATES
Creators: name: Ro, Eunjik
name: Frechette, Darren L.
name: Ro, Eunjik
name: Frechette, Darren L.
Publisher: name: Unknown
Year: 2001
Subjects: Demand and Price Analysis

description: Organic vegetable producers typically earn a premium over conventional producers to cover the added costs of organic production. The premium can vary greatly, making organic vegetable farming riskier than conventional farming and causing potential financial problems for new organic farming enterprises. Further, organic vegetable production is geographically concentrated in California, and the variation in organic price premia depends upon regional production factors, especially weather conditions. This study examines the relationship between organic vegetable price premia and California weather conditions near organic vegetable farms. Analysis is based on a unique data set of daily prices from the Boston Terminal Wholesale Market and California weather data from the National Climate Data Center.
CAROLINA GOLDEN PRODUCTS
Creators: name: Sureshwaran, Suresh
name: House, Lisa
name: Hanks, Gwen
name: Little, Randall D.
name: Sureshwaran, Suresh
name: House, Lisa
name: Hanks, Gwen
name: Little, Randall D.
Publisher: name: Unknown
Year: 2001
Subjects: Agribusiness

description: This case study focuses on an investment decision made in a poultry processing firm which is faced with increased sales targets but is constrained by dependence on other companies for storage and distribution. The decision to construct a distribution center is analyzed in this study. Instructors can use this case to teach agribusiness finance. As with other case studies, many issues can be explored, such as market channels, the importance of assumptions, and structure of the poultry industry.
QED calculation of the n=1 and n=2 energy levels in He-like ions
Creators: name: Artemyev, A. N.
name: Shabaev, V. M.
name: Yerokhin, V. A.
name: Plunien, G.
name: Soff, G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We perform ab initio QED calculations of energy levels for the $n=1$ and $n=2$ states of He-like ions with the nuclear charge in the range $Z = 12$-100. The complete set of two-electron QED corrections is evaluated to all orders in the parameter $\aZ$. Uncalculated contributions to energy levels come through orders $α^3 (\aZ)^2$, $α^2 (\aZ)^7$, and higher. The calculation presented is the first treatment for excited states of He-like ions complete through order $α^2 (\aZ)^4$. A significant improvement in accuracy of theoretical predictions is achieved, especially in the high-$Z$ region.
description: 23 pages, 5 figures
Precipitation identifiers for meteorological features combining global GPM-IMERG retrievals and ERA5 reanalysis
Creators: name: Tsai, Wei-Ming
name: O'Brien, Travis
name: Catto, Jennifer
name: Ullrich, Paul
name: Leung, Lai-Yun, Ruby
name: Fang, Zhe
name: Boos, William
name: Dasenahalli Lingaraju, Suhas
name: Zhou, Yang
name: Duan, Suqin
name: Ahmed, Fiaz
name: Neelin, J. David
Publisher: name: Zenodo
Year: 2024
Subjects: precipitation
GPM-IMERG
atmospheric features
observations

description: The data collection provides 0.25-deg., 6-hourly global feature-precipitation categories from 2001 to 2019. The data is generated by merging GPM-IMERG observational rainfall (V6 final version) and atmospheric features identified by multiple object-based algorithms. Classified precipitation identifiers include rainfall associated with atmospheric rivers (AR), frontal systems (FT), low-pressure systems (LPS), mesoscale convective systems (MCS), and their co-occurrences (overlapping areas of features at a given time). In addition to algorithm-identified features, precipitation contributed from deep convection, non-deep convection, stratiform, and drizzle are pixel-wise defined using thresholds of CPC MERGE-IR brightness temperature and GPM-IMERG rain rate. The dataset is supported by the Department of Energy and Environment (DOEE): DE-SC0023244.
description: Funding provided by: Department of Energy and EnvironmentROR ID: https://ror.org/05d5hbz44Award Number: DE-SC0023244
description: The categorization of global precipitation relies on recognizing four primary atmospheric features: atmospheric rivers (ARs), fronts (FTs), mesoscale convective systems (MCSs), and low-pressure systems (LPSs). Initially, identified atmospheric features with varying temporal and spatial resolutions are harmonized into a unified framework (6-hourly and 0.25-degree). GPM-IMERG precipitation data (0.1-degree resolution) is then coarse-grained to 0.25-degree for labeling using merged feature outputs. Additionally, precipitation attributed to deep convection, non-deep convection, stratiform, and drizzle is discerned at the pixel level using MERGE-IR brightness temperature data alongside GPM-IMERG precipitation. These classifications exclusively apply to rainy pixels not aligned with the four primary features. Rainy pixels within a specific feature boundary are considered associated with that feature object. For frontal systems represented as line segments, the line-segment masks are expanded outward by 250 km to generate two-dimensional bounded features. The identification of precipitation sources is conducted independently every 6 hours over 19 years (2001-2019). Detailed methodologies and demonstrations are accessible at https://docs.google.com/document/d/1O8NQesgyjIXv2X37wLsZ1EhgBdRKtvtPR7OYNBSBdBs/edit