cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Soft Porous Crystals: Extraordinary Responses to Stimulation
Creators: name: Coudert, François-Xavier
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Recent years have seen a large increase in the number of reported framework materials, including the nowadays-ubiquitous metal-organic frameworks (MOFs). Many of these materials show flexibility and stimuli-responsiveness, i.e. their structure can undergo changes of large amplitude in response to physical or chemical stimulation. We describe here a toolbox of theoretical approaches, developed in our group and others, to shed light into these materials' properties. We focus on their behavior under mechanical constraints, temperature changes, adsorption of guest molecules, and exposure to light. By means of molecular simulation at varying scale, we can now probe, rationalize and predict the behavior of stimuli-responsive materials, producing a coherent description of soft porous crystals from the unit cell scale all the way to the behavior of the whole crystal. In particular, we have studied the impact of defects in soft porous crystals, and developed a methodology for the study of their disordered phases (presence of correlated disorder, MOF glasses, and liquid MOFs).
Cloetta & Co
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Triest
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Additional file 1: of High cryptic species diversity is revealed by genome-wide polymorphisms in a wild relative of banana, Musa itinerans, and implications for its conservation in subtropical China
Creators: name: Wu, Wei
name: Ng, Wei-Lun
name: Yang, Jun-Xin
name: Li, Wei-Ming
name: Ge, Xue-Jun
Publisher: name: figshare
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Virology

description: Table S1. Summary of sequencing depth and coverage for each sample accession of Musa itinerans used in this study. Figure S1. The distributions of overall genome-wide polymorphisms for four varieties of Musa itinerans. Data shown for with overlapped window size of 20 kb and step size of 2 kb. Figure S2. The distributions of average pairwise nucleotide diversity θπ, and Tajima’s D, Wright’s Fixation index FST and absolute genetic divergence Dxy across chromosome 2 ~ 12. (PDF 4614 kb)
Quasiparticle Density of States of Clean and Dirty s-Wave Superconductors in the Vortex State
Creators: name: Nohara, M.
name: Isshiki, M.
name: Sakai, F.
name: Takagi, H.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The quasiparticle density of states (DOS) in the vortex state has been probed by specific heat measurements under magnetic fields (H) for clean and dirty s-wave superconductors, Y(Ni1-xPtx)2B2C and Nb1-xTaxSe2. We find that the quasiparticle DOS per vortex is appreciably H-dependent in the clean-limit superconductors, while it is H-independent in the dirty superconductors as expected from a conventional rigid normal electron core picture. We discuss possible origins for our observations in terms of the shrinking of the vortex core radius with increasing H.
description: 5 pages, 4 figures, to appear in J. Phys. Soc. Jpn. Vol. 68 No. 4
Behrends, Gebrüder
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Frankfurt a. M.
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Additional file 3 of A novel tsRNA-16902 regulating the adipogenic differentiation of human bone marrow mesenchymal stem cells
Creators: name: Wang, Tao
name: Mei, Jun
name: Li, Xingnuan
name: Xu, Xiaoyuan
name: Ma, Baicheng
name: Li, Weidong
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 3.
Baum, Joseph & Co
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Breslau
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
GCF2021_talk_strazzullo
Creators: name: Strazzullo, Veronica
Publisher: name: Zenodo
Year: 2021

description: We present results from recent and ongoing investigations of galaxy populations in the central regions of a sample of five massive galaxy clusters at z~1.5 identified in the South Pole Telescope Sunyaev-Zel’dovich (SPT-SZ) survey. With a mass threshold of ~4 10^14 M⊙ and an area of 2500 square degrees, at z~1.5 SPT-SZ identifies the rarest, most massive clusters that first emerge from the cosmic web, unique structures where to study early environmental effects on the evolution of galaxies, at a cosmic time bridging active proto-cluster environments at z≳2 and largely quiescent z≲1 cluster cores. In the context of the many recent studies of galaxy populations in distant clusters, we present results focusing on environmental quenching and structural evolution. Albeit with some potentially significant variation, we find typically enhanced quiescent fractions with environmental quenching efficiencies of ~50-80%, suggesting that massive cluster core environments at z~1.5 are already efficient at suppressing star formation. The population of bulge-dominated galaxies is overall also enhanced with respect to the field (morphology-density relation), but the broad structural properties of quiescent and star-forming populations (separately) in the cluster cores are remarkably similar to those of field counterparts. These observations highlight the interplay between star formation suppression and structural evolution in early cluster environments, constraining processes and timescales.
Baltzer, C. S., sel. Witwe
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Memel
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Homology modeling, molecular dynamics and virtual screening of endothelin-A receptor for the treatment of pulmonary arterial hypertension
Creators: name: Gu, Xi
name: Wang, Ying
name: Wang, Hanxun
name: Wu, Hairui
name: Li, Wei
name: Wang, Jian
name: Li, Ning
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Medicine
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Cancer
subject: Computational Biology

description: Pulmonary arterial hypertension (PAH) is a progressive disease of pulmonary arteries, causing serious shortness of breath and right ventricular failure with high mortality. Numerous studies have verified that the symptoms of PAH could be attenuated effectively with endothelin-A receptor (ETAR) antagonists. Unfortunately, the 3D structure of ETAR has not been released, making it difficult to understand the interactions between ETAR and its antagonists. In this study, computational methods including homology modeling, molecular docking and molecular dynamics simulations were performed to build the structure of ETAR and predict the binding patterns of ETAR with its two antagonists. Based on these results, virtual screening study was implemented against Traditional Chinese Medicine (TCM) database to identify novel natural ETAR antagonists. Six compounds with best binding energies were screened out and two of them were found to bind steadily with ETAR validated through molecular dynamics simulations and MM-GBSA calculation, indicating that they were potential antagonists of ETAR. In a word, our research provided a deep exploration into the interaction between ETAR and its antagonists, which could promote the development of novel therapy against PAH.
Couderc, D., & Brants, M. P
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Amsterdam
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Baum, Moses Samuel
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Breslau
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Chemical Compositions of Four Metal-poor Giants
Creators: name: Giridhar, Sunetra
name: Lambert, David L.
name: Gonzalez, Guillermo
name: Pandey, Gajendra
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the chemical compositions of four K giants CS 22877-1, CS 22166-16, CS22169-35 and BS 16085 - 0050 that have [Fe/H] in the range -2.4 to -3.1. Metal-poor stars with [Fe/H] < -2.5 are known to exhibit considerable star - to - star variations of many elements. This quartet confirms this conclusion. CS 22877-1 and CS 22166-16 are carbon-rich. There is significant spread for [$α$/Fe] within our sample where [$α$/Fe] is computed from the mean of the [Mg/Fe], and [Ca/Fe] ratios. BS 16085 - 0050 is remarkably $α$ enriched with a mean [$α$/Fe] of $+$0.7 but CS 22169-35 is $α$-poor. The aluminium abundance also shows a significant variation over the sample. A parallel and unsuccessful search among high-velocity late-type stars for metal-poor stars is described.
description: 14 pages (text), 4 tables, 3 figures, Accepted for publication in PASP
Exact Drude weight for the one-dimensional Hubbard model at finite temperatures
Creators: name: Fujimoto, Satoshi
name: Kawakami, Norio
Publisher: name: arXiv
Year: 1997
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The Drude weight for the one-dimensional Hubbard model is investigated at finite temperatures by using the Bethe ansatz solution. Evaluating finite-size corrections to the thermodynamic Bethe ansatz equations, we obtain the formula for the Drude weight as the response of the system to an external gauge potential. We perform low-temperature expansions of the Drude weight in the case of half-filling as well as away from half-filling, which clearly distinguish the Mott-insulating state from the metallic state.
description: 9 pages, RevTex, To appear in J. Phys. A
A new class of Super-Earths formed from high-temperature condensates: HD219134 b, 55 Cnc e, WASP-47 e
Creators: name: Dorn, Caroline
name: Harrison, John H. D.
name: Bonsor, Amy
name: Hands, Tom O.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We hypothesise that differences in the temperatures at which the rocky material condensed out of the nebula gas can lead to differences in the composition of key rocky species (e.g., Fe, Mg, Si, Ca, Al, Na) and thus planet bulk density. Such differences in the observed bulk density of planets may occur as a function of radial location and time of planet formation. In this work we show that the predicted differences are on the cusp of being detectable with current instrumentation. In fact, for HD 219134, the 10 % lower bulk density of planet b compared to planet c could be explained by enhancements in Ca, Al rich minerals. However, we also show that the 11 % uncertainties on the individual bulk densities are not sufficiently accurate to exclude the absence of a density difference as well as differences in volatile layers. Besides HD 219134 b, we demonstrate that 55 Cnc e and WASP-47 e are similar candidates of a new Super-Earth class that have no core and are rich in Ca and Al minerals which are among the first solids that condense from a cooling proto-planetary disc. Planets of this class have densities 10-20% lower than Earth-like compositions and may have very different interior dynamics, outgassing histories and magnetic fields compared to the majority of Super-Earths.
description: accepted for publication in MNRAS, 17 pages, 16 figures
Uniqueness of the asymptotic AdS3 geometry
Creators: name: Rooman, M.
name: Spindel, Ph.
Publisher: name: arXiv
Year: 2000
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We explicitly show that in (2+1) dimensions the general solution of the Einstein equations with negative cosmological constant on a neigbourhood of timelike spatial infinity can be obtained from BTZ metrics by coordinate transformations corresponding geometrically to deformations of their spatial infinity surface. Thus, whatever the topology and geometry of the bulk, the metric on the timelike extremities is BTZ.
description: LaTeX, 8 pages, no figures, version that will appear in Class. Quant. Grav
COMPARISON OF TOPIC MODELLING TECHNIQUES IN MARKETING - RESULTS FROM AN ANALYSIS OF DISTINCTIVE USE CASES
Creators: name: Wörner, Janik
name: Konadl, Daniel
name: Schmid, Isabel
name: Leist, Susanne
Publisher: name: Universität Regensburg
Year: 2021
Subjects: subject: topic modelling, social media analysis, text analysis, marketing use cases
subject: 004 Informatik

description: Currently, topic modelling is an effective analytical tool for the automated investigation of text data. However, identifying the underlying topics is still a challenging task that is dependent on the selection of the proper technique. Moreover, due to the considerable number of topic modelling techniques reported in the literature, uncertainty about the application of the techniques arises for both researchers and practitioners. Therefore, we conducted a comparison of three different topic modelling techniques (LDA, PAM, DMR) to give recommendations for three use cases identified in the literature: content extraction, trend analysis and content structuring. For each of them, we identified several requirements and by conducting the method ‘Goal Question Metric’, we derived several comparison metrics. We applied these metrics to a real-world Facebook data set (4,155,992 posts) to highlight the differences between the three topic modelling techniques and to give recommendations for our defined use cases.
description: ECIS 2021 Research Papers 98
Cosmic acceleration via derivative matter couplings
Creators: name: Haghani, Zahra
name: Shahidi, Shahab
Publisher: name: arXiv
Year: 2018
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A gravitational theory with derivative matter coupling is proposed which adopt de Sitter expansion at late times with ordinary baryonic matter. Matter components are conserved separately in the cosmological background and the Newtonian limit is well behaved. Also Conformal transformation of the theory to Jordan frame showing an effective cosmological constant explaining the nature of de Sitter acceleration.
description: 8 pages
Supplemental Materials and Methods.docx
Creators: name: Li, Xiao-Kang
Publisher: name: figshare
Year: 2019
Subjects: subject: Cell Biology
subject: 110312 Nephrology and Urology
subject: FOS: Clinical medicine

description: @font-face { font-family: "ＭＳ 明朝"; }@font-face { font-family: SimSun; }@font-face { font-family: Century; }@font-face { font-family: "Cambria Math"; }@font-face { font-family: "@ＭＳ 明朝"; }@font-face { font-family: "@SimSun"; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0mm 0mm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: "Century", serif; }.MsoChpDefault { font-family: "Century", serif; }div.WordSection1 { } Background Cyclosporin A (CsA) is a common immunosuppressant, but its use is limited due to the adverse effect of chronic kidney injury, which is characterized by renal tubular atrophy, interstitial fibrosis, and progressive renal injury. Oxidative stress and apoptosis play a key role in CsA-induced nephrotoxicity. Heme oxygenase (HO)-1 reportedly prevents kidney damage, including renal tropism and fibrosis, in CsA-induced nephrotoxicity. The combination of 5-aminolevulinic acid, a precursor of heme synthesis, and iron (5-ALA/SFC) is known to enhance HO-1 expression. This study investigated the protective effect of 5-ALA/SFC on CsA-induced injury in murine proximal tubular epithelial cells (mProx24). Methods CsA-treated mProx24 cells were incubated with or without 5-ALA/SFC. The anti-apoptotic activity of 5-ALA/SFC was assessed by flow cytometry, immunofluorescence, and Western blotting. HO-1-specific siRNA was used to analyze the activity of 5-ALA/SFC-induced HO-1. Results 5-ALA/SFC significantly inhibited apoptosis in mProx24 cells with increasing expression of HO-1, Nrf2, and p38, and Erk-1/2 phosphorylation. Moreover, 5-ALA/SFC suppressed production of reactive oxygen species (ROS) in CsA-exposed cells. Inhibiting HO-1 by siRNA suppressed the protective effects of 5-ALA/SFC. Conclusion 5-ALA/SFC attenuated the nephrotoxic/apoptotic effects of CsA in vitro by suppressing ROS generation and enhancing the activity of the MAPK/Nrf2/HO-1 pathway.
Difference-Based Temporal Module for Monocular Category-Level 6 DoF Object Pose Tracking
Creators: name: Chen, Zishen
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2024
Subjects: 6DoF Pose Tracking
Temporal Module
RGBD

description: Monocular 6DoF pose tracking has many applications in augmented reality, robotics and other areas and because of the rise of deep learning new approaches such as category-level models are successful. The temporal information in sequential data is essential for both online and offline tasks, which can help boost the quality of predictions while encountering some unexpected influences like occlusions and vibration. In 2D object detection and tracking, substantial research has been done in leveraging temporal information to improve the performance of the model. Nevertheless, it is challenging to lift the temporal processing to 3D space because of the ambiguity of the visual data. In this thesis, we propose a method to calculate the temporal difference of points and pixels assuming that the K nearest points share similar features. The extracted features from the difference are learned to weigh the relevant points in the temporal sequence and aggregate them to provide support to the current frame's prediction. We propose a novel difference-based temporal module to incorporate both RGB and 3D points data in a temporal sequence. This module can be easily integrated with any category-level 6DoF pose tracking model which uses RGB and 3D points as input. We evaluate this module on two state-of-the-art category-level 6D pose tracking models and the result shows that it can increase the model's accuracy and robustness in complex scenarios.
Quasiparticle States near the Surface and the Domain Wall in a p_x\pm i p_y-Wave Superconductor
Creators: name: Matsumoto, Masashige
name: Sigrist, Manfred
Publisher: name: arXiv
Year: 1999
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The electronic states near a surface or a domain wall in the p-wave superconductor are studied for the order parameter of the form p_x\pm i p_y-wave, which is a unitary odd-parity state with broken time-reversal symmetry. This state has been recently suggested as the superconducting state of Sr_2 Ru O_4. The spatial variation of the order parameter and vector potential is determined self-consistently within the quasi-classical approximation. The local density of states at the surface is constant and does not show any peak-like or gap-like structure within the superconducting energy gap, in contrast to the case of the d-wave superconductors. The influence of an external magnetic field is mainly observable in the energy range above the bulk gap. On the other hand, there is a small energy gap in the local density of states at the domain wall between domains of the two degenerate p_x+i p_y-wave and p_x-i p_y-wave states.
description: 26 pages, 9 figures, to be published in J. Phys. Soc. Jpn. Vol. 68 (1999) No. 3, erratum: to appear in J. Phys. Soc. Jpn. Vol. 68 (1999) No. 9
Surprises from a deep ASCA spectrum of a Broad Absorption Line Quasar PHL 5200
Creators: name: Mathur, S.
name: Matt, G.
name: Green, P. J.
name: Elvis, M.
name: Singh, K. P.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a deep ($\sim$85 ksec) ASCA observation of the prototype Broad Absorption Line Quasar (BALQSO) PHL 5200. This is the best X-ray spectrum of a BALQSO yet. We find that (1) the source is not intrinsically X-ray weak, (2) the line of sight absorption is very strong with N_H=5 x 10^{23} cm^{-2}, (3) the absorber does not cover the source completely; the covering fraction is about 90%. This is consistent with the large optical polarization observed in this source, implying multiple lines of sight. The most surprising result of this observation is that (4) the spectrum of this BALQSO is not exactly similar to other radio-quiet quasars. The hard X-ray spectrum of PHL 5200 is steep with the power-law spectral index alpha ~1.5. This is similar to the steepest hard X-ray slopes observed so far. At low redshifts, such steep slopes are observed in narrow line Seyfert 1 galaxies, believed to be accreting at a high Eddington rate. This observation strengthens the analogy between BALQSOs and NLS1 galaxies and supports the hypothesis that BALQSOs represent an early evolutionary state of quasars (Mathur 2000). It is well accepted that the orientation to the line of sight determines the appearance of a quasar; age seems to play a significant role as well.
description: To Appear in Ap.J. Letters
Forced FoxO1:S249V expression suppressed glioma cell proliferation through G2/M cell cycle arrests and increased apoptosis
Creators: name: Piao, Xiang-yu
name: Li, Wenzhe
name: Li, Zhi
name: Zhang, Nianzhu
name: Fang, Hui
name: Zahid, Danish
name: Qu, Qiumin
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biophysics
subject: Biochemistry
subject: Cell Biology
subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Developmental Biology
subject: Cancer
subject: Hematology

description: Objective: Forkhead box O1 (FoxO1) plays a crucial role in the development of many tumors. Cyclin D kinase (CDK) 1 could influence the nuclear export and activity of FoxO1 through phosphorylation of serine (S)249. However, the effects of S249 phosphorylation in the development of glioma remain unclear. The aim of the present study is to assess the function of FoxO1:S249V mutant, which was converted S249 phosphorylation site into valine (V) residues in the glioma development. Methods: FoxO1-knockdown U251 glioma cells (U251-KD cells) were established by infection of retrovirus particles with FoxO1 siRNA and FoxO1 restored cells (FoxO1:S249V) were obtained by re-introduction of FoxO1:S249V cDNA. We detected mRNA expression by real-time PCR, and cell cycle arrest and apoptosis by flow cytometric assay, and cell proliferation by BrdU assay and CCK-8 assay. The protective effects of FoxO1:S249V were detected by the xenograft tumor formation assay. Results: The FoxO1 mRNA expression was significantly decreased in the glioma specimens (n = 24). The U251-KD cells showed downregulation of p27 and Bim, while the phosphorylation of CDK1 was upregulated. FoxO1:S249V cells inhibited the phosphorylation of S249, and induced G2/M cell cycle arrest, following reduced cell growth and increased apoptosis. Moreover, FoxO1:S249V expression effectively inhibits the glioma growth. Conclusion: Our findings suggest that the forced FoxO1:S249V suppressed the cell growth through G2/M cell cycle arrests and increased apoptosis in glioma.
Scaling corrections: site-percolation and Ising model in three dimensions
Creators: name: Ballesteros, H. G.
name: Fernandez, L. A.
name: Martin-Mayor, V.
name: Parisi, G.
name: Ruiz-Lorenzo, J. J.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: Using Finite-Size Scaling techniques we obtain accurate results for critical quantities of the Ising model and the site percolation, in three dimensions. We pay special attention in parameterizing the corrections-to-scaling, what is necessary to put the systematic errors below the statistical ones.
description: 12 pages plus 2 figures. Minor corrections added
Slow-light pulses in moving media
Creators: name: Fiurasek, J.
name: Leonhardt, U.
name: Parentani, R.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Quantum Physics (quant-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Slow light in moving media reaches a paradoxical regime when the flow speed of the medium approaches the group velocity of light. Pulses can penetrate a region where a counter-propagating flow exceeds the group velocity. When the counter-flow slows down pulses are reflected.
Precision Timing Measurements of PSR J1012+5307
Creators: name: Lange, Ch.
name: Camilo, F.
name: Wex, N.
name: Kramer, M.
name: Backer, D. C.
name: Lyne, A. G.
name: Doroshenko, O.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present results and applications of high precision timing measurements of the millisecond pulsar J1012+5307. Combining our radio observations with results based on optical observations, we derive complete 3-D velocity information for this system. Correcting for Doppler effects, we derive the intrinsic spin parameters of this pulsar and a characteristic age of 8.6 +/- 1.9 Gyr. Our upper limit for the orbital eccentricity of only 8 * 10^-7 (68% C.L.) is the smallest ever measured for a binary system. We demonstrate that this makes the pulsar an ideal laboratory to test certain aspects of alternative theories of gravitation. Our precise measurements suggest deviations from a simple pulsar spin-down timing model, which are consistent with timing noise and the extrapolation of the known behaviour of slowly rotating pulsars.
description: 9 pages, 6 figures
Orbital Degree of Freedom and Phase Separation in Ferromagnetic Manganites at Finite Temperatures
Creators: name: Okamoto, S.
name: Ishihara, S.
name: Maekawa, S.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The spin and orbital phase diagram for perovskite manganites are investigated as a function of temperature and hole concentration. The superexchange and double exchange interactions dominate the ferromagnetic phases in the low and high concentration regions of doped holes, respectively.The two interactions favor different orbital states each other. Between the phases, two interactions compete with each other and the phase separation appears in the wide range of temperature and hole concentration. The anisotropy of the orbital space causes discontinuous changes of the orbital state and promotes the phase separation. The relation between the phase separation and the stripe- and sheet-type charge segregation is discussed.
description: 8 pages, 8 figures
On the triplet anti-triplet symmetry in 3-3-1 models
Creators: name: Hue, Le Tho
name: Ninh, Le Duc
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present a detailed discussion of the triplet anti-triplet symmetry in 3-3-1 models. The full set of conditions to realize this symmetry is provided, which includes in particular the requirement that the two vacuum expectation values of the two scalar triplets responsible for making the W and Z bosons massive must be interchanged. We apply this new understanding to the calculation of processes that have a Z-Z' mixing.
description: 14 pages
Possible High TC Layered Ferromagnetic Insulator Sr2NiRuO4: An ab initio Study
Creators: name: Yang, Ke
name: Fan, Feng-Ren
name: Stroppa, Alessandro
name: Wu, Hua
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Magnetic insulators are often antiferromagnetic (AFM) and layered AFM compounds usually show low ordering temperature. On the other hand, layered ferromagnetic (FM) insulators with high-TC are very rare although they could be quite useful for spintronic applications. Here, using crystal field level analysis in combination with density functional theory calculations as well as Monte Carlo simulations, we predict that the layered insulator Sr2NiRuO4 would have a strong FM coupling with TC as high as 240 K. The tetragonal crystal field in the Ni-O-Ru square plane stabilizes the S=1/2 Ni+ and S=3/2 Ru3+ states. The unique level ordering and occupation optimize the FM Ni-Ru superexchange interactions in the checkerboard arrangement, thus suggesting Sr2NiRuO4 as an unusual high-TC layered FM insulator. This work highlights the potential of charge-spin-orbital degrees of freedom for stabilizing strong FM coupling in layered oxides.
description: 17 pages, 7 figures, 1 table
INTERNATIONAL MOBILITY OF STUDENTS AND ITS POTENTIAL EFFECT ON THE EMPLOYMENT OF UNIVERSITY GRADUATES
Creators: name: Hunady, Jan
name: Orviska, Marta
name: Pisar, Peter
Publisher: name: figshare
Year: 2019
Subjects: subject: Economics
subject: 140204 Economics of Education
subject: FOS: Economics and business
subject: Education
subject: 130199 Education systems not elsewhere classified
subject: FOS: Educational sciences
subject: 130103 Higher Education
subject: 140211 Labour Economics
subject: 130106 Secondary Education
subject: 140299 Applied Economics not elsewhere classified
subject: 140304 Panel Data Analysis
subject: 160506 Education Policy
subject: FOS: Political science
subject: 160303 Migration
subject: FOS: Sociology
subject: 160510 Public Policy
subject: 150305 Human Resources Management
subject: 180118 Labour Law
subject: FOS: Law

description: The globalisation and integration processes greatly facilitate the international mobility of university students. This paper examines the trends in students’ mobility within the EU and its potential effect on employment of university graduates in the EU countries. We assume that more international experience of students during their studies could improve their practical skills which could further lead to better employability of graduates on average. We are focused especially on countries’ openness to the international mobility of students expressed as the sum of students arriving in the country and those studying in another EU country. The paper is mostly empirically oriented using panel data for 28 EU member states in the period 2000-2012. We firstly applied fixed effects regression in order to capture potential short-run effects. In the second stage we used panel cointegration techniques in order to test potential causality between selected variables in the long-run. We found relatively strong evidence that the openness of the country with respect to students’ exchange (both inward and outward) could have a positive effect on employment of graduates. This seems to be especially true in the longrun. Thus, the international mobility of students seems to be beneficial in respect of increasing overall employment rate of university graduates in the long-run.
Stochastic resetting in underdamped Brownian motion
Creators: name: Gupta, Deepak
Publisher: name: arXiv
Year: 2018
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We consider a single Brownian particle in one dimension in a medium at a constant temperature in the underdamped regime. We stochastically reset the position of the Brownian particle to a fixed point in the space with a constant rate $r$ whereas its velocity evolves irrespective of the position of the particle and stochastic resetting mechanism. The nonequilibrium steady state of the position distribution is studied for this model system. Further, we study the distribution of the position of the particle in the finite time and the approach to the nonequilibrium steady state distribution with time. Numerical simulations are done to verify the analytical results.
Supplementary Material from Wild jackdaws respond to their partner's distress, but not with consolation
Creators: name: Hooper, Rebecca
name: Meekins, Ella
name: McIvor, Guillam E.
name: Thornton, Alex
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 170299 Cognitive Science not elsewhere classified
subject: FOS: Psychology
subject: 60801 Animal Behaviour

description: Individuals are expected to manage their social relationships to maximize fitness returns. For example, reports of some mammals and birds offering unsolicited affiliation to distressed social partners (commonly termed ‘consolation’) are argued to illustrate convergent evolution of prosocial traits across divergent taxa. However, most studies cannot discriminate between consolation and alternative explanations such as self-soothing. Crucially, no study that controls for key confounds has examined consolation in the wild, where individuals face more complex and dangerous environments than in captivity. Controlling for common confounds, we find that male jackdaws (Corvus monedula) respond to their mate's stress-states, but not with consolation. Instead, they tended to decrease affiliation and partner visit rate in both experimental and natural contexts. This is striking because jackdaws have long-term monogamous relationships with highly interdependent fitness outcomes, which is precisely where theory predicts consolation should occur. Our findings challenge common conceptions about where consolation should evolve, and chime with concerns that current theory may be influenced by anthropomorphic expectations of how social relationships should be managed. To further our understanding of the evolution of such traits, we highlight the need for our current predictive frameworks to incorporate the behavioural trade-offs inherent to life in the wild.
Absence of Localization in Certain Field Effect Transistors
Creators: name: Washburn, S
name: Popovic, D
name: Li, KP
name: Fowler, AB
Publisher: name: arXiv
Year: 1997
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We review some experimental and theoretical results on the metal-to-insulator transition (MIT) observed at zero magnetic field (B=0) in several two-dimensional electron systems (2DES). Scaling of the conductance and magnetic field dependence of the conductance provide convincing evidence that the MIT is driven by Coulomb interactions among the carriers and is dramatically sensitive to spin polarization of the carriers.
description: 8 pages, LaTeX, figure label changed
Monte Carlo Methods for Equilibrium and Nonequilibrium Problems in Interfacial Electrochemistry
Creators: name: Brown, Gregory
name: Rikvold, Per Arne
name: Mitchell, S. J.
name: Novotny, M. A.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We present a tutorial discussion of Monte Carlo methods for equilibrium and nonequilibrium problems in interfacial electrochemistry. The discussion is illustrated with results from simulations of three specific systems: bromine adsorption on silver (100), underpotential deposition of copper on gold (111), and electrodeposition of urea on platinum (100).
description: RevTex, 14 pages, 8 figures. To appear in book _Interfacial Electrochemisty_
Spatially Resolved Millimeter Spectroscopy of the Gravitational Lens PKS 1830-211
Creators: name: Swift, J.
name: Welch, W. J.
name: Frye, B.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This paper presents data from the BIMA interferometer showing spatially resolved absorption spectra of the gravitationally lensed quasar PKS 1830-211. High-resolution (1.2 km/s) spectra were taken in two spectral windows centered on the redshifted frequencies of the HCO+(2-1) and HCN(2-1) molecular transitions. There is no molecular absorption in the northeast image but the southwest image reveals optically thick absorbing gas at these transition frequencies. Further analyses conclude that the spectra are consistent with completely saturated absorption in the southwest image and the line profiles suggest that the absorbing medium is complex, perhaps containing multiple components and small scale structure. The absorption occurs along a pencil beam through the lensing galaxy which is thought to be a late type spiral oriented almost face on. However, the spectra show absorption spanning more than 60 km/s which is difficult to explain for this scenario.
description: 9 pages, 1 figure. accepted ApJ.Let
title: Atelier du numérique : Les Cartes heuristiques dans la recherche
Creators: name: LabexMed
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2017

description: Affiche de l'atelier Les Cartes heuristiques dans la recherche du 28 avril 2016
description: Relation: http://labexmed.hypotheses.org/1788
description: date: 28/04/2016
The effect of topology on the number of positive solutions of elliptic equation involving Hardy-Littlewood-Sobolev critical exponent
Creators: name: Goel, Divya
Publisher: name: arXiv
Year: 2019
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 49J35, 35A15, 35J60

description: In this article we are concern for the following Choquard equation \[ -Δu = λ|u|^{q-2}u +\left(\int_Ω\frac{|u(y)|^{2^*_μ}}{|x-y|^μ} dy \right)|u|^{2^*_μ-2} u \; \text{in}\; Ω,\quad u = 0 \; \text{ on } \partial Ω, \] where $Ω$ is an open bounded set with continuous boundary in $\mathbb{R}^N( N\geq 3)$, $2^*_μ=\frac{2N-μ}{N-2}$ and $q \in [2,2^*)$ where $2^*=\frac{2N}{N-2}$. Using Lusternik-Schnirelman theory, we associate the number of positive solutions of the above problem with the topology of $Ω$. Indeed, we prove if $λ< λ_1$ then problem has $\text{cat}_Ω(Ω)$ positive solutions whenever $q \in [2,2^*)$ and $N>3 $ or $4
description: 21 pages
SupplementaryInformationCaptions.docx from Sex pheromone signal and stability covary with fitness
Creators: name: Blankers, Thomas
name: Lievers, Rik
name: Plata, Camila
name: van Wijk, Michiel
name: van Veldhuizen, Dennis
name: Groot, Astrid T.
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 60801 Animal Behaviour

description: If sexual signals are costly, covariance between signal expression and fitness is expected. Signal–fitness covariance is important, because it can contribute to the maintenance of genetic variation in signals that are under natural or sexual selection. Chemical signals, such as female sex pheromones in moths, have traditionally been assumed to be species-recognition signals, but their relationship with fitness is unclear. Here, we test whether chemical, conspecific mate finding signals covary with fitness in the moth Heliothis subflexa. Additionally, as moth signals are synthesized de novo every night, the maintenance of the signal can be costly. Therefore, we also hypothesized that fitness covaries with signal stability (i.e. lack of temporal intra-individual variation). We measured among- and within-individual variation in pheromone characteristics as well as fecundity, fertility and lifespan in two independent groups that differed in the time in between two pheromone samples. In both groups, we found fitness to be correlated with pheromone amount, composition and stability, supporting both our hypotheses. This study is the first to report a correlation between fitness and sex pheromone composition in moths, supporting evidence of condition-dependence and highlighting how signal–fitness covariance may contribute to heritable variation in chemical signals both among and within individuals.
Analysis of a chemotaxis model with indirect signal absorption
Creators: name: Fuest, Mario
Publisher: name: arXiv
Year: 2019
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35K55 (Primary), 35A01, 35K40, 92C17 (Secondary)

description: We consider the chemotaxis model \begin{align*} \begin{cases} u_t = Δu - \nabla \cdot (u \nabla v), \\ v_t = Δv - vw, \\ w_t = -δw + u \end{cases} \end{align*} in smooth, bounded domains $Ω\subset \mathbb R^n$, $n \in \mathbb N$, where $δ\gt 0$ is a given parameter. If either $n \le 2$ or $\|v_0\|_{L^\infty(Ω)} \le \frac1{3n}$ we show the existence of a unique global classical solution $(u, v, w)$ and convergence of $(u(\cdot, t), v(\cdot, t), w(\cdot, t))$ towards a spatially constant equilibrium, as $t \to \infty$. The proof of global existence for the case $n \le 2$ relies on a bootstrap procedure. As a starting point we derive a functional inequality for a functional being sublinear in $u$, which appears to be novel in this context.
description: 22 pages
title: Μελέτη επίδρασης επιβραδυντή DAP στον ρυθμό διάδοσης φλόγας και την θερμοκρασία φλόγας
titleType: AlternativeTitle
Creators: name: Hararampous, Grigoris A.
Publisher: name: National Technological University of Athens
Year: 2013
Subjects: Διάδοση φλόγας
Φλόγα
Επιβραδυντής
Πυρκαγιά
θερμική κάμερα
Flamespread
Fire retardants
Thermal camera
Ir camera

description: 111 σ.
description: Στην παρούσα εργασία μελετάται ο ρυθμός διάδοσης φλόγας, η θερμοκρασία καύσης, το ύψος φλόγας και η επίδραση του επιβραδυντή DAP στα πιο πάνω, δύο δασικών υλών με την βοήθεια της μεθόδου διάδοσης φλόγας και την παράλληλη χρήση θερμικής κάμερας. Για τη διεξαγωγή των πειραμάτων χρησιμοποιήθηκαν οι μέθοδοι 1030 της EPA και Α10 της Ε.Ε για τον προσδιορισμό του ρυθμού εξάπλωσης φλόγας. Διεξήχθησαν έξι πειράματα για κάθε δασικό είδος και κάθε κλίση. Ο ρυθμός διάδοσης φλόγας προέκυψε ως ο χρόνος που απαιτήθηκε για να διανύσει το φλεγόμενο μέτωπο μία ειδικά χαραγμένη απόσταση 100mm σε πλάκα-δειγματοφορέα από αλουμίνιο. Η καύση έγινε πιλοτικά με τη βοήθεια φιάλης προπανίου. Από την επεξεργασία των μετρήσεων που ελήφθησαν για τις παραπάνω δασικές ύλες, εξετάσθηκαν 4 κριτήρια: ο ρυθμός διάδοσης της φλόγας, το μέσο ύψος και η ένταση της φλόγας, η θερμοκρασία καύσης και η επίδραση επιβραδυντή στις παραπάνω παραμέτρους. Λαμβάνοντας υπ’ όψιν όλες τις παραπάνω παραμέτρους εξήχθησαν τα παρακάτω συμπεράσματα: Το Cypressus sempervirens έχει μεγαλύτερο ρυθμό καύσης, μεγαλύτερο ύψος φλόγας και μικρότερη θερμορκασία καύσης από το Quercus coccifera. Η επίδραση του επιβραδυντή διαφέρει ανάλογα το είδος της δασικής ύλης και της παραμέτρου που μελετάται. Τέλος, η μέθοδος μέτρησης του ρυθμού εξάπλωσης φλόγας που χρησιμοποιήθηκε, απέδωσε ομολογουμένως αξιόπιστα και αναπαραγωγίσιμα αποτελέσματα μεταξύ τους, συγκριτικά και με τα συμπληρωματικά πειράματα που διεξήχθησαν.
description: In this study the rate of spread of flame, the combustion temperature, the amount of flame retardant effect of DAP on the above, two forest materials with the help of flame propagation method and the parallel use of thermal camera. For the experiments used methods of EPA 1030 and A10 of the EU to determine the rate of flame spread. Conducted six experiments for each forest type and each slope. The rate of spread of flame emerged as the time required to travel the flaming front of a specially engraved plaque distance 100mm-deigmatoforea aluminum. The combustion was pilot using propane bottle. From the analysis of the measurements for these forest materials tested 4 criteria: the rate of flame propagation, the average height and intensity of the flame, the combustion temperature and flame effect on these parameters. Considering all the above parameters were extracted the following conclusions: The Cypressus sempervirens has greater burn rate, flame height higher and lower combustion temperature was from Quercus coccifera. The effect of the flame varies depending on the type of forest material and the parameter being studied. Finally, the method of measuring the rate of flame spread used yielded admittedly reliable and reproducible results between them, compared with complementary experiments conducted.
Absence of hysteresis at the Mott-Hubbard metal-insulator transition in infinite dimensions
Creators: name: Schlipf, J.
name: Jarrell, M.
name: van Dongen, P. G. J.
name: Blümer, N.
name: Kehrein, S.
name: Pruschke, Th.
name: Vollhardt, D.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The nature of the Mott-Hubbard metal-insulator transition in the infinite-dimensional Hubbard model is investigated by Quantum Monte Carlo simulations down to temperature T=W/140 (W=bandwidth). Calculating with significantly higher precision than in previous work, we show that the hysteresis below T_{IPT}\simeq 0.022W, reported in earlier studies, disappears. Hence the transition is found to be continuous rather than discontinuous down to at least T=0.325T_{IPT}. We also study the changes in the density of states across the transition, which illustrate that the Fermi liquid breaks down before the gap opens.
description: 4 pages, 4 eps-figures using epsf.sty
Ultrarelativistic electron beam polarization in single-shot interaction with an ultraintense laser pulse
Creators: name: Li, Yan-Fei
name: Shaisultanov, Rashid
name: Hatsagortsyan, Karen Z.
name: Wan, Feng
name: Keitel, Christoph H.
name: Li, Jian-Xing
Publisher: name: arXiv
Year: 2018
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Spin-polarization of an ultrarelativistic electron beam head-on colliding with an ultraintense laser pulse is investigated in the quantum radiation-reaction regime. We develop a Monte-Carlo method to model electron radiative spin effects in arbitrary electromagnetic fields by employing spin-resolved radiation probabilities in the local constant field approximation. Due to spin-dependent radiation reaction, the applied elliptically polarized laser pulse polarizes the initially unpolarized electron beam and splits it along the propagation direction into two oppositely transversely polarized parts with a splitting angle of about tens of milliradians. Thus, a dense electron beam with above 70\% polarization can be generated in tens of femtoseconds. The proposed method demonstrates a way for relativistic electron beam polarization with currently achievable laser facilities.