cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Evolution of the Proterozoic Vindhyan Basin, Rajasthan, India: insights from geochemical provenance of siliciclastic sediments
Creators: name: Shukla, Anil D.
name: Bivin G. George
name: Jyotiranjan S. Ray
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: Developmental Biology

description: The Vindhyan Basin of western India is a part of the largest Proterozoic sedimentary basin of the Indian subcontinent. Deposited in a largely shallow marine environment, the sedimentary sequence of the basin, known as the Vindhyan Supergroup, is believed to hold clues to our understanding of the evolution of life and climate during the Proterozoic. Inspite of multiple important paleobiological discoveries from these rocks, our knowledge about the development of the basin and responsible regional tectonics had remained rudimentary. Here, we propose a model for the evolutionary history of the Vindhyan Basin based on quantitative provenance analysis through geochemical and isotopic compositions of siliciclastic sediments. According to our model, the basin opened up in a foreland setting during an event that was contemporaneous with the amalgamation of the supercontinent Columbia. In the Lower Vindhyans, most of the sediments were derived from the basement gneisses (BGC-I & II) and a younger differentiated magmatic arc, whereas the >1.7 Ga rocks of the Aravalli and Delhi supergroups formed the source area for the Upper Vindhyans. In comparison to their counterparts in the eastern sector in the Son Valley, the Semri and Kaimur groups of the western sector had a relatively younger provenance; whereas, the Rewa and Bhander groups of both the sectors appear to have shared geochemically similar provenances. Unlike its counterpart in the eastern sector, the provenance of the sediments in the western sector had remained constant across the supposedly 400 million years break in sedimentation between the Lower and the Upper Vindhyans. However, a change in the provenance is observed during the transition from the Kaimur to Rewa group in the western sector which we infer to be a break in the deposition.
Degeneracy in Studying the Supranuclear Equation of State and Modified Gravity with Neutron Stars
Creators: name: Shao, Lijing
Publisher: name: arXiv
Year: 2019
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: It is generally acknowledged that an extrapolation in physics from a well-known scale to an unknown scale is perilous. This prevents us from using laboratory experience to gain precise information for the supranuclear matter inside neutron stars (NSs). With operating and upcoming astronomical facilities, NSs' equation of state (EOS) is expected to be determined at a new level in the near future, under the assumption that general relativity (GR) is the correct theory for gravitation. While GR is a reasonable working assumption yet still an extrapolation, there could be a large uncertainty due to the not-so-well-tested strong gravitational field inside NSs. Here we review some recent theoretical efforts towards a better understanding of the degeneracy between the supranuclear EOS and alternative gravity theories.
description: 11 pages, 6 figures
Nonlinear Spin Dynamics in Nuclear Magnets
Creators: name: Yukalov, V. I.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: A method is developed for solving nonlinear systems of differential, or integrodifferential, equations with stochastic fields. The method makes it possible to give an accurate solution for an interesting physical problem: What are the peculiarities of nonlinear spin dynamics in nonequilibrium nuclear magnets coupled with a resonator? Evolution equations for nuclear spins are derived basing on a Hamiltonian with dipole interactions. The ensemble of spins is coupled with a resonator electric circuit. Seven types of main relaxation regimes are found: free induction, collective induction, free relaxation, collective relaxation, weak superradiance, pure superradiance, and triggered superradiance. The initial motion of spins can be originated by two reasons, either by an imposed initial coherence or by local spin fluctuations due to nonsecular dipole interactions. The relaxation regimes caused by the second reason cannot be described by the Bloch equations. Numerical estimates show good agreement with experiment.
description: 1 file, 47 pages, LaTex
Additional file 1 of Atherogenic index of plasma is related to coronary atherosclerotic disease in elderly individuals: a cross-sectional study
Creators: name: Huang, Haomin
name: Yu, Xiaolong
name: Li, Lamei
name: Shi, Ganwei
name: Li, Feng
name: Xiao, Jianqiang
name: Yun, Zhihua
name: Cai, Gaojun
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology

description: Additional file 1:. Table S3 Clinical characteristics in elderly males and females. Table S4 Multivariate logistic regression analysis of individuals after excluding coronary emergency.
title: Modelling PDEs in population dynamics using fixed and moving meshes
Creators: name: Christou, Katerina
Publisher: name: University of Reading
Year: 2023

description: This thesis concerns the modelling of partial differential equations in population
dynamics and examines two approaches to the choice of meshes for the numerical
approximation of the equations. The first part describes a fixed-mesh approach
to the predator-prey Lotka-Volterra equations and applies it to a two-dimensional
temperature-dependent parasitism system. A climate function is used to incorporate the effect of climate change with the aim to explore the impact of ongoing
warming on the spatial distribution and community formation of the interacting
species. The second part concerns an adaptive approach to meshes for populations
with moving boundaries, internal and external. In particular, a velocity-based
moving mesh method based on conservation is applied to systems of competitive
species with moving boundaries by which species interact, arise or disappear.
The application of the method to epidemic models is also examined where the
spreading of the disease through the domain is modelled by a moving front. This
is achieved using a moving mesh technique governed by conservation in which the
masses of coexisting species are combined. We conclude that fixed mesh methods are adequate for many problems in population dynamics, but where there
are significant moving boundaries, as in evolving population domains, the moving mesh method based on conservation is an advantageous choice, as it allows
the accurate handling of the moving boundaries and the efficient treatment of
topological changes.
Additional file of RGD4C peptide mediates anti-p21Ras scFv entry into tumor cells and produces an inhibitory effect on the human colon cancer cell line SW480
Creators: name: Huang, Chen-Chen
name: Liu, Fang-Rui
name: Feng, Qiang
name: Pan, Xin-Yan
name: Song, Shu-Ling
name: Yang, Ju-Lun
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
subject: Cell Biology
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Cancer
subject: Virology

description: Additional file of RGD4C peptide mediates anti-p21Ras scFv entry into tumor cells and produces an inhibitory effect on the human colon cancer cell line SW480
Duguetia surinamensis R. E. Fr.
Creators: name: Molino, Jean-François
name: Sabatier, Daniel
name: Grenand, Pierre
name: Engel, Julien
name: Frame, Dawn
name: Delprete, Piero G.
name: Fleury, Marie
name: Odonne, Guillaume
name: Davy, Damien
name: Lucas, Eve J.
name: Martin, Claire A.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Annonaceae
Duguetia
Duguetia surinamensis

description: [49] Duguetia surinamensis R.E.Fr.
 Acta Horti Berg. 12 (1): 50 (Fries 1934).
 Duguetia caudata R.E.Fr., Acta Horti Berg. 12 (2): 274 (Fries 1937).
VERNACULAR NAMES. — Wp: inãmu pɨta, mɨtũluway, pila sila, pina’ɨ sĩ, pina’ɨto wu • Nt: pepee anga sawtu • Cr: manmanyawé-piman • Br: atá-brava, biribarana, envira-amargosa.
 HERBARIUM DATA (FG). — 43 collections at CAY. Sel. exs.: D. Sabatier & M.-F. Prévost 2560.
 INVENTORY DATA (FG). — 195 trees in 61 plots; Fmax = 4.2 %; dbhinv = 35.8 cm.
description: Published as part of Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, pp. 345-903 in Adansonia (3) (3) 44 (26) on page 372, DOI: 10.5252/adansonia2022v44a26, http://zenodo.org/record/7458777
Dragging of inertial frames in the composed Kerr-Newman-orbiting-ring system
Creators: name: Hod, Shahar
Publisher: name: arXiv
Year: 2025
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The dragging of inertial frames by an orbiting object implies that the horizon angular velocity $Ω^{\text{BH-ring}}_{\text{H}}$ of a central black hole in a composed black-hole-orbiting-ring system is no longer related to its angular-momentum $J_{\text{H}}$ by the familiar vacuum functional relation $Ω_{\text{H}}(J_{\text{H}})=J_{\text{H}}/Mα$ (here $\{M,α\}$ are respectively the mass and normalized area of the central spinning black hole). Using a continuity argument, it has recently been revealed that the composed Kerr-ring system is characterized by the universal (that is, spin-{\it independent}) relation $ΔΩ_{\text{H}}\equivΩ^{\text{BH-ring}}_{\text{H}}(J_{\text{H}},J_{\text{R}},R\to R^{+}_{\text{H}})-Ω^{\text{Kerr}}_{\text{H}}(J_{\text{H}})={J_{\text{R}}/{4M^3}}$, where $\{R,J_{\text{R}}\}$ are respectively the radius of the ring and its orbital angular momentum and $R_{\text{H}}$ is the horizon radius of the central Kerr black hole. This intriguing observation naturally raises the following physically interesting question: Does the physical quantity $ΔΩ_{\text{H}}$ in a composed black-hole-orbiting-ring system is always characterized by the near-horizon functional relation $ΔΩ_{\text{H}}={J_{\text{R}}/{4M^3}}$ which is independent of the spin (angular momentum) $J_{\text{H}}$ of the central black hole? In the present compact paper we explore the physical phenomenon of dragging of inertial frames by an orbiting ring in the composed Kerr-Newman-black-hole-orbiting-ring system. In particular, using analytical techniques, we reveal the fact that in this composed two-body (black-hole-ring) system the quantity $ΔΩ_{\text{H}}$ has an explicit non-trivial functional dependence on the angular momentum $J_{\text{H}}$ of the central spinning black hole.
description: 8 pages
Dressing as a Whole: Outfit Compatibility Learning Based on Node-wise Graph Neural Networks
Creators: name: Cui, Zeyu
name: Li, Zekun
name: Wu, Shu
name: Zhang, Xiaoyu
name: Wang, Liang
Publisher: name: arXiv
Year: 2019
Subjects: subject: Information Retrieval (cs.IR)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: With the rapid development of fashion market, the customers' demands of customers for fashion recommendation are rising. In this paper, we aim to investigate a practical problem of fashion recommendation by answering the question "which item should we select to match with the given fashion items and form a compatible outfit". The key to this problem is to estimate the outfit compatibility. Previous works which focus on the compatibility of two items or represent an outfit as a sequence fail to make full use of the complex relations among items in an outfit. To remedy this, we propose to represent an outfit as a graph. In particular, we construct a Fashion Graph, where each node represents a category and each edge represents interaction between two categories. Accordingly, each outfit can be represented as a subgraph by putting items into their corresponding category nodes. To infer the outfit compatibility from such a graph, we propose Node-wise Graph Neural Networks (NGNN) which can better model node interactions and learn better node representations. In NGNN, the node interaction on each edge is different, which is determined by parameters correlated to the two connected nodes. An attention mechanism is utilized to calculate the outfit compatibility score with learned node representations. NGNN can not only be used to model outfit compatibility from visual or textual modality but also from multiple modalities. We conduct experiments on two tasks: (1) Fill-in-the-blank: suggesting an item that matches with existing components of outfit; (2) Compatibility prediction: predicting the compatibility scores of given outfits. Experimental results demonstrate the great superiority of our proposed method over others.
description: 11 pages, accepted by the 2019 World Wide Web Conference (WWW-2019)
Thermal Contraction and Disordering of the Al(110) Surface
Creators: name: Marzari, Nicola
name: Vanderbilt, David
name: De Vita, Alessandro
name: Payne, M. C.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Al(110) has been studied for temperatures up to 900 K via ensemble density-functional molecular dynamics. The strong anharmonicity displayed by this surface results in a negative coefficient of thermal expansion, where the first interlayer distance decreases with increasing temperature. Very shallow channels of oscillation for the second-layer atoms in the direction perpendicular to the surface support this anomalous contraction, and provide a novel mechanism for the formation of adatom-vacancy pairs, preliminary to the disordering and premelting transition. Such characteristic behavior originates in the free-electron-gas bonding at a loosely packed surface.
description: 4 pages, two-column style with 5 PostScript figures embedded. Uses RevTeX and epsf macros. To appear in Phys. Rev. Lett. Also available at http://www.physics.rutgers.edu/~marzari/preprints/index.html#al110
Primordial black holes from the ultraslow-roll phase in the inflaton--curvaton mixed field inflation
Creators: name: Su, Bing-Yu
name: Li, Nan
name: Feng, Lei
Publisher: name: arXiv
Year: 2025
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Primordial black holes (PBHs) are a promising candidate for dark matter, as they can form in the very early universe without invoking new particle physics. This work explores PBH formation within a curvaton scenario featuring an ultraslow-roll (USR) phase. An inflaton--curvaton mixed field model is presented, where the inflaton drives early inflation and then transits into the USR phase, amplifying the small-scale curvature perturbation. During inflation, the curvaton generates entropy perturbation, which later converts into curvature perturbation after the curvaton decays in the radiation-dominated era. Using the $δN$ formalism, we compute the power spectrum of the total primordial curvature perturbation and analyze the relevant non-Gaussianity. Our results show that adding a curvaton field not only has a significant impact on primordial non-Gaussianity, but also introduces more complex inflationary dynamics, even saving the inflaton potentials that generate too low scalar spectral indices. Our model can produce PBHs with mass around $10^{-14}\,M_\odot$ that account for all dark matter, while remaining consistent with current observational constraints.
description: 11 pages, 4 figures
Duguetia trunciflora Maas
Creators: name: Molino, Jean-François
name: Sabatier, Daniel
name: Grenand, Pierre
name: Engel, Julien
name: Frame, Dawn
name: Delprete, Piero G.
name: Fleury, Marie
name: Odonne, Guillaume
name: Davy, Damien
name: Lucas, Eve J.
name: Martin, Claire A.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Annonaceae
Duguetia
Duguetia trunciflora

description: [50] Duguetia trunciflora Maas & A.H.Gentry
 Feddes Repert. 106 (1995): 341 (Maas & Gentry 1996).
VERNACULAR NAMES. — Nt: gaan kaabasi ana.
 HERBARIUM DATA (FG). — 3 collections at CAY. Sel. exs.: D. Sabatier & B. Riéra 3113.
INVENTORY DATA (FG). — 12 trees in 2 plots; Fmax = 1.4 %; dbhinv = 14 cm.
description: Published as part of Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, pp. 345-903 in Adansonia (3) (3) 44 (26) on page 372, DOI: 10.5252/adansonia2022v44a26, http://zenodo.org/record/7458777
Additional file 1 of Longitudinal associations of screen time, physical activity, and sleep duration with body mass index in U.S. youth
Creators: name: Zink, Jennifer
name: Booker, Robert
name: Wolff-Hughes, Dana L.
name: Allen, Norrina B.
name: Carnethon, Mercedes R.
name: Alexandria, Shaina J.
name: Berrigan, David
Publisher: name: figshare
Year: 2024
Subjects: subject: Medicine
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Science Policy
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Mental Health

description: Supplementary Material 1.
A Statistical Study on Parameter Selection of Operators in Continuous State Transition Algorithm
Creators: name: Zhou, Xiaojun
Publisher: name: arXiv
Year: 2018
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: State transition algorithm (STA) has been emerging as a novel metaheuristic method for global optimization in recent few years. In our previous study, the parameter of transformation operator in continuous STA is kept constant or decreasing itself in a periodical way. In this paper, the optimal parameter selection of the STA is taken in consideration. Firstly, a statistical study with four benchmark two-dimensional functions is conducted to show how these parameters affect the search ability of the STA. Based on the experience gained from the statistical study, then, a new continuous STA with optimal parameters strategy is proposed to accelerate its search process. The proposed STA is successfully applied to twelve benchmarks with 20, 30 and 50 dimensional space. Comparison with other metaheuristics has also demonstrated the effectiveness of the proposed method.
description: 10 pages
MPEC 2024-U36 : 2021 UE2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
The optical counterpart to SAX J1808.4-3658: observations in quiescence
Creators: name: Homer, L.
name: Charles, P. A.
name: Chakrabarty, D.
name: van Zyl, L.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report the first extensive set of optical photometric observations of the counterpart to SAX J1808.4-3658 (V4580 Sagittarius) in quiescence. The source was detected at V~21, 5 magnitudes fainter than at the peak of its 1998 outburst. However, a comparable ~6% semi-amplitude 2hr modulation of its flux is revealed. This has the same phasing and approximately sinusoidal modulation as seen during outburst and with photometric minimum when the pulsar is behind the companion. The lack of a double-humped morphology rules out an ellipsoidal origin, implying that the bulk of the optical flux does not arise from the companion. Moreover, applying crude modelling to the disc and X-ray irradiated face of the donor shows that the internal energy release of a remnant disc (with mass transfer driven by gravitational radiation) is sufficient to explain most of the optical emission, and with the modulation due to the varying contribution of the heated star's face. We note that this model is also consistent with the much lower X-ray to optical flux ratio in quiescence versus outburst, and with the phasing of the optical modulation.
description: 7 pages, 5 figures, accepted version with very minor changes (after ref's report), to appear in MNRAS
Two new isoflavones from the seeds of Psoralea corylifolia with diacylglycerol acyltransferase inhibitory activity
Creators: name: Cui-Yun Wang
name: Guang-Feng Ai
name: Zhang, Ya-Fei
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biochemistry
subject: Space Science
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Inorganic Chemistry
subject: 60506 Virology

description: Two new compounds 7-hydroxy-4'-methoxy-3'-(7''-hydroxy-3'',7''-dimethyl-octa-2'',5''-dienyl)-isoflavone (1) and 7-hydroxy-4'-methoxy-3'-(6''-hydroxy-3'',7''-dimethyl-octa-2'',7''-dienyl)-isoflavone (2), together with five known compounds (3–7), were isolated from EtOAc-soluble extract of the seeds of Psoralea corylifolia. Their structures were elucidated on the basis of detailed spectroscopic and physico-chemical analyses. All the isolates were evaluated for in vitro inhibitory activity against diacylglycerol acyltransferase (DGAT). And compounds 1–7 displayed significant inhibitory activity on DGAT1 with IC50 values ranging from 51.2 ± 1.1 to 116.4 ± 1.3 μM.
Duguetia yeshidan Sandwith
Creators: name: Molino, Jean-François
name: Sabatier, Daniel
name: Grenand, Pierre
name: Engel, Julien
name: Frame, Dawn
name: Delprete, Piero G.
name: Fleury, Marie
name: Odonne, Guillaume
name: Davy, Damien
name: Lucas, Eve J.
name: Martin, Claire A.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Annonaceae
Duguetia
Duguetia yeshidan

description: [51] Duguetia yeshidan Sandwith
 Bull. Misc. Inform. Kew 1930 (10): 473 [4 Dec. 1930] (Sandwith 1930).
 Duguetia obovata R.E.Fr., Acta Horti Berg. 12 (1): 66 (Fries 1934).
 Duguetia sandwithii R.E.Fr., Acta Horti Berg. 12 (1): 80 (Fries 1934).
VERNACULAR NAMES. — Pa: pakih-em, wiratay • Ka: tamunen isyano mandulɨyɨ• Wp: pila siay, pina’ɨ, pina’ɨsĩ, pina’ɨto wi’i, ukɨ’ ɨ• Nt: kaabasi ana • Cr: manmanyawé-piman • Br: envira-caitetu.
 HERBARIUM DATA (FG). — 50 collections at CAY. Sel. exs.: D. Sabatier 922.
INVENTORY DATA (FG). — 1 tree, dbh = 12.3 cm.
description: Published as part of Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, pp. 345-903 in Adansonia (3) (3) 44 (26) on page 372, DOI: 10.5252/adansonia2022v44a26, http://zenodo.org/record/7458777
Non-detection of the serial correlation in least squares regression; frequency and consequences
Creators: name: Kiviet, Jan
name: Kiviet, Jan
Publisher: name: Unknown
Year: 1977
Subjects: subject: Research Methods/ Statistical Methods
subject: multiple regression
subject: serial correlation
subject: confidence regions
subject: hypothesis testing
subject: prediction

description: The robustness and efficiency of OLS statistical inference is assessed in cases where the disturbances are serially correlated. In addition the frequency of accepting independence of the disturbances (and thus the acceptance of OLS results) is considered. An attainable lower bound for the probability of a type two error in testing for serial correlation is established. Case studies indicate that confidence regions for regression coefficients are very sensitive to departures from independence of the disturbances; OLS prediction appears to be more robust. When the sample is small, non-detection of serial correlation will frequently occur. These results suggest a tentative strategy for the detection of serial correlation.
rcis51_02.pdf
Creators: name: Cristian-Catalin Gavat
name: GEORGESCU, Costinela Valerica
name: DOMNARIU, Carmen Daniela
name: ARDELEANU, Valeriu
Publisher: name: figshare
Year: 2020
Subjects: subject: 140208 Health Economics
subject: FOS: Economics and business
subject: 140219 Welfare Economics

description: A Retrospective Study about Institutionalized Elderly Life Conditions in Three Social Care Centers
Additional file 1 of Exploring protective and risk factors in the home environment in high-risk families – results from the Danish High Risk and Resilience Study—VIA 7
Creators: name: Thorup, Anne Amalie Elgaard
name: Gantriis, Ditte Lou
name: Greve, Aja Neergaard
name: Henriksen, Maria Toft
name: Zahle, Kate Kold
name: Stadsgaard, Henriette
name: Ellersgaard, Ditte
name: Burton, Birgitte Klee
name: Christiani, Camilla Jerlang
name: Spang, Katrine
name: Hemager, Nicoline
name: Jepsen, Jens Richardt Møllegaard
name: Plessen, Kerstin J.
name: Nordentoft, Merete
name: Mors, Ole
name: Bliksted, Vibeke
Publisher: name: figshare
Year: 2022
Subjects: Neuroscience
Mental Health

description: Additional file 1: Table 1S. Overview of subscales of MC-HOME and risk factors of the rearing environment.
Thermodynamics of the (1,1/2) Ferrimagnet in Finite Magnetic Fields
Creators: name: Maisinger, K.
name: Schollwoeck, U.
name: Brehmer, S.
name: Mikeska, H. J.
name: Yamamoto, S.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We investigate the specific heat and magnetisation of a ferrimagnet with gS=1 and S=1/2 spins in a finite magnetic field using the transfer matrix DMRG down to T=0.025J. Ferromagnetic gapless and antiferromagnetic gapped excitations for H=0 lead to rich thermodynamics for H > 0. While the specific heat is characterized by a generic double peak structure, magnetisation reveals two critical fields, Hc1=1.76(1) and Hc2=3.00(1) with square-root behaviour in the T=0 magnetisation. Simple analytical arguments allow to understand these experimentally accessible findings.
description: 5 pages, 7 eps figures, uses RevTeX, submitted to PRB
Casimir operators of centrally extended l-conformal Galilei algebra
Creators: name: Galajinsky, Anton
name: Masterov, Ivan
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The full set of Casimir elements of the centrally extended l-conformal Galilei algebra is found in simple and tractable form.
description: 5 pages
Superinflation, quintessence, and the avoidance of the initial singularity
Creators: name: Saa, A.
name: Gunzig, E.
name: Brenig, L.
name: Faraoni, V.
name: Filho, T. M. Rocha
name: Figueiredo, A.
Publisher: name: arXiv
Year: 2000
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider the dynamics of a spatially flat universe dominated by a self-interacting nonminimally coupled scalar field. The structure of the phase space and complete phase portraits for the conformal coupling case are given. It is shown that the non-minimal coupling modifies drastically the dynamics of the universe. New cosmological behaviors are identified, including superinflation ($\dot{H}>0$), avoidance of big bang singularities through classical birth of the universe from empty Minkowski space, and spontaneous entry into and exit from inflation. The relevance of this model to the description of quintessence is discussed.
description: RevTex, 10 pages, 4 figures, To appear in the proceedings of the 5th Peyresq meeting
title: Monetary Policy Transmission during Financial Crises: An Empirical Analysis
Creators: name: Dahlhaus, Tatjana
Publisher: name: Bank of Canada
Year: 2014

description: This paper studies the effects of a monetary policy expansion in the United States during times of high financial stress. The analysis is carried out by introducing a smooth transition factor model where the transition between states (“normal” and high financial stress) depends on a financial conditions index. Employing a quarterly data set over the period 1970Q1 to 2009Q2 containing 108 U.S. macroeconomic and financial time series, I find that a monetary policy shock during periods of high financial stress has stronger and more persistent effects on macroeconomic variables such as output, consumption, and investment than it has during “normal” times. Differences in effects among the regimes seem to originate from non-linearities in the credit channel.
description: L’auteure étudie les effets d’une politique monétaire expansionniste aux États-Unis en périodes de fortes tensions financières. Pour procéder à son analyse, elle élabore un modèle factoriel à transition lisse dans lequel le passage d’un état à l’autre (d’une situation « normale » à un régime de fortes tensions) dépend d’un indice des conditions financières. À partir de données trimestrielles allant du premier trimestre de 1970 au deuxième trimestre de 2009, soit 108 séries chronologiques de données macroéconomiques et financières américaines, l’auteure observe qu’un choc de politique monétaire a des répercussions plus importantes et persistantes sur des variables macroéconomiques comme la production, la consommation et l’investissement s’il survient en période de fortes tensions plutôt que lorsque la conjoncture est « normale ». L’incidence différente selon le régime (« normal » / fortes tensions) semble attribuable à la non-linéarité du canal du crédit par lequel se transmettent les mesures de politique monétaire.
Additional file 1 of Vitamin D metabolism in critically ill patients with acute kidney injury: a prospective observational study
Creators: name: Cameron, Lynda K.
name: Ledwaba-Chapman, Lesedi
name: Voong, Kieran
name: Hampson, Geeta
name: Forni, Lui G.
name: Seylanova, Nina
name: Harrington, Dominic J.
name: Lim, Rosario
name: Bociek, Aneta
name: Yanzhong, Wang
name: Ostermann, Marlies
Publisher: name: figshare
Year: 2024
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Environmental Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Cancer
subject: Science Policy
subject: Computational Biology

description: Additional file 1. Figure S1: Changes in 25(OH)D measurements by kidney function and gender. Table S1a: Serum 25(OH)D concentrations by kidney function and time point. Table S1b: Coefficient estimates for the final 25(OH)D model.
Ephedranthus guianensis R. E. Fr.
Creators: name: Molino, Jean-François
name: Sabatier, Daniel
name: Grenand, Pierre
name: Engel, Julien
name: Frame, Dawn
name: Delprete, Piero G.
name: Fleury, Marie
name: Odonne, Guillaume
name: Davy, Damien
name: Lucas, Eve J.
name: Martin, Claire A.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Annonaceae
Ephedranthus
Ephedranthus guianensis

description: [52] Ephedranthus guianensis R.E.Fr.
 Acta Horti Berg. 10 (2): 176 (Fries 1931).
 Ephedranthus guianensis var. oligantha R.E.Fr., Acta Horti Berg. 10 (2): 177 (Fries 1931).
VERNACULAR NAMES. — Wn: iliwaimë.
 HERBARIUM DATA (FG). — 15 collections at CAY. Sel. exs.: R. Benoist 1159 (original material of E. guianensis var. oligantha: P [P00751066, P00751067]).
INVENTORY DATA (FG). — 8 trees in 7 plots; Fmax <1 %; dbhinv = 21.3 cm.
description: Published as part of Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, pp. 345-903 in Adansonia (3) (3) 44 (26) on page 372, DOI: 10.5252/adansonia2022v44a26, http://zenodo.org/record/7458777
Monte Carlo study of a two-dimensional quantum ferromagnet
Creators: name: Henelius, Patrik
name: Sandvik, Anders W.
name: Timm, Carsten
name: Girvin, S. M.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present quantum Monte Carlo results for the field and temperature dependence of the magnetization and the spin-lattice relaxation rate $1/T_1$ of a two-dimensional $S=1/2$ quantum Heisenberg ferromagnet. The Monte Carlo method, which yields results free of systematic errors, is described in detail. The high accuracy of the calculated magnetization allows for stringent tests of recent approximate analytical calculations. We also compare our results with recent experimental data for a $ν=1$ quantum Hall ferromagnet, which is expected to be well described by the Heisenberg model. The dynamic response function needed to extract $1/T_1$ is obtained using maximum-entropy analytic continuation of the corresponding imaginary-time dependent correlation function. We discuss the reliability of this approach.
description: 13 pages, 11 figures
title: Rollover Risk, Liquidity and Macroprudential Regulation
Creators: name: Ahnert, Toni
Publisher: name: Bank of Canada
Year: 2014

description: I study rollover risk in the wholesale funding market when intermediaries can hold liquidity ex ante and are subject to fire sales ex post. Precautionary liquidity restores multiple equilibria in a global rollover game. An intermediate liquidity level supports both the usual run equilibrium and an efficient equilibrium. I provide a uniqueness refinement to characterize the privately optimal liquidity choice. Because of fire sales, liquidity holdings are strategic substitutes. Intermediaries free ride on the liquidity of other intermediaries, causing excessive liquidation. A macroprudential authority internalizes the systemic nature of liquidity and restores constrained efficiency by imposing a macroprudential liquidity buffer.
description: Nous étudions le risque de refinancement sur le marché du financement de gros lorsque les intermédiaires ont la possibilité de détenir ex ante de la liquidité et d’être confrontés ex post à des liquidations. La liquidité conservée à titre préventif restaure des équilibres multiples dans un jeu mondial de refinancement. Le niveau intermédiaire de liquidité permet à la fois l’équilibre habituel en cas de retraits massifs et un équilibre efficace. Nous fournissons des conditions à la singularité pour caractériser le choix de la quantité optimale de liquidité privée. Les liquidations font des réserves de liquidité des actifs de remplacement stratégiques. Étant donné que les intermédiaires profitent des réserves des autres intermédiaires, on aboutit à des liquidations excessives. Une autorité macroprudentielle internalise la nature systémique de la liquidité et rétablit une efficacité contrainte en imposant une réserve macroprudentielle de liquidité.
Intergalactic Magnetic Fields from Quasar Outflows
Creators: name: Furlanetto, Steven
name: Loeb, Abraham
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Outflows from quasars inevitably pollute the intergalactic medium (IGM) with magnetic fields. The short-lived activity of a quasar leaves behind an expanding magnetized bubble in the IGM. We model the expansion of the remnant quasar bubbles and calculate their distribution as a function of size and magnetic field strength at different redshifts. We generically find that by a redshift z=3, about 5-20% of the IGM volume is filled by magnetic fields with an energy density >10% of the mean thermal energy density of a photo-ionized IGM (at T=10^4 K). As massive galaxies and X-ray clusters condense out of the magnetized IGM, the adiabatic compression of the magnetic field could result in the field strength observed in these systems without a need for further dynamo amplification. The intergalactic magnetic field could also provide a nonthermal contribution to the pressure of the photo-ionized gas that may account for the claimed discrepancy between the simulated and observed Doppler width distributions of the Ly-alpha forest.
description: 40 pages, 8 figures, submitted to ApJ
Coupling between superfluid neutrons and superfluid protons in the elementary excitations of neutron star matter
Creators: name: Baldo, M.
name: Ducoin, C.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Several phenomena occurring in neutron stars are affected by the elementary excitations that characterize the stellar matter. In particular, low-energy excitations can play a major role in the emission and propagation of neutrinos, neutron star cooling and transport processes. In this paper, we consider the elementary modes in the star region where both proton and neutron components are superfluid. We study the overall spectral functions of protons, neutrons and electrons on the basis of the Coulomb and nuclear interactions. This study is performed in the framework of the Random Phase Approximation, generalized to superfluid systems. The formalism we use ensures that the Generalized Ward's Identities are satisfied. We focus on the coupling between neutrons and protons. On one hand this coupling results in collective modes that involve simultaneously neutrons and protons, on the other hand it produces a damping of the excitations. Both effects are especially visible in the spectral functions of the different components of the matter. At high density while the neutrons and protons tend to develop independent excitations, as indicated by the spectral functions, the neutron-proton coupling still produces a strong damping of the modes.
description: 9 pages 6 figures, accepted in Physical Review C. arXiv admin note: substantial text overlap with arXiv:1708.03794
Charging Ultrasmall Tunnel Junctions in Electromagnetic Environment
Creators: name: Wang, X. H.
name: Chao, K. A.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We have investigated the quantum admittance of an ultrasmall tunnel junction with arbitrary tunneling strength under an electromagnetic environment. Using the functional integral approach a close analytical expression of the quantum admittance is derived for a general electromagnetic environment. We then consider a specific controllable environment where a resistance is connected in series with the tunneling junction, for which we derived the dc quantum conductance from the zero frequency limit of the imaginary part of the quantum admittance. For such electromagnetic environment the dc conductance has been investigated in recent experiments, and our numerical results agree quantitatively very well with the measurements. Our complete numerical results for the entire range of junction conductance and electromagnetic environmental conductance confirmed the few existing theoretical conclusions.
description: 7 pages, 3 ps-figures
title: Sheep in Wolf’s Clothing: Using the Least Squares Criterion for Quantile Estimation
Creators: name: Chen, Heng
Publisher: name: Bank of Canada
Year: 2014

description: Estimation of the quantile model, especially with a large data set, can be computationally burdensome. This paper proposes using the Gaussian approximation, also known as quantile coupling, to estimate a quantile model. The intuition of quantile coupling is to divide the original observations into bins with an equal number of observations, and then compute order statistics within these bins. The quantile coupling allows one to apply the standard Gaussian-based estimation and inference to the transformed data set. The resulting estimator is asymptotically normal with a parametric convergence rate. A key advantage of this method is that it is faster than the conventional check function approach, when handling a sizable data set.
description: L’estimation d’un modèle de régression quantile peut nécessiter des calculs considérables, tout particulièrement si ce modèle s’appuie sur un grand ensemble de données. Une approximation gaussienne est ici proposée (couplage quantile) comme méthode d’estimation. Le principe du couplage quantile consiste à diviser les observations initiales en sous-groupes composés d’un nombre égal d’observations, puis à calculer des statistiques d’ordre pour chacun de ces sous-groupes. Ce couplage permet d’appliquer aux données transformées une méthode d’estimation et d’inférence gaussienne standard. L’estimateur obtenu suit une loi asymptotiquement normale et son taux de convergence est paramétrique. L’un des principaux avantages de cette méthode réside dans le fait qu’elle assure un traitement plus rapide des grands jeux de données que l’approche classique par fonction de perte.
title: Improving Overnight Loan Identification in Payments Systems
Creators: name: Rempel, Mark
Publisher: name: Bank of Canada
Year: 2014

description: Information on the allocation and pricing of over-the-counter (OTC) markets is scarce. Furfine (1999) pioneered an algorithm that provides transaction-level data on the OTC interbank lending market. The veracity of the data identified, however, is not well established. Using permutation methods, I estimate an upper bound on the daily false positive rate of this algorithm to be slightly above 10%. I propose refinements that reduce the bound below 10% with negligible power loss. The results suggest that the inferred prices and quantities of overnight loans do provide viable estimates of interbank lending market activity.
description: Il y a peu d’information au sujet de la répartition des actifs et de la formation des prix sur les marchés de gré à gré. En 1999, Furfine a conçu un nouvel algorithme qui fournit des données relativement aux transactions effectuées sur le marché du financement interbancaire. La validité de ces données n’est cependant pas bien établie. En procédant à une permutation des données, j’estime que la limite supérieure du taux de faux positifs quotidien généré par cet algorithme est légèrement au-dessus de 10 %. Je propose des améliorations permettant de réduire cette limite sous 10 % tout en subissant une perte de puissance statistique négligeable. Les résultats donnent à penser que les quantités et les prix des prêts à un jour déduits grâce à cette méthode constituent des estimations valables de l’activité sur le marché du financement interbancaire.
Effect of Anisotropic Hybridization in YbAlB$_4$ Probed by Linear Dichroism in Core-Level Hard X-ray Photoemission Spectroscopy
Creators: name: Kuga, Kentaro
name: Kanai, Yuina
name: Fujiwara, Hidenori
name: Yamagami, Kohei
name: Hamamoto, Satoru
name: Aoyama, Yuichi
name: Sekiyama, Akira
name: Higashiya, Atsushi
name: Kadono, Toshiharu
name: Imada, Shin
name: Yamasaki, Atsushi
name: Tanaka, Arata
name: Tamasaku, Kenji
name: Yabashi, Makina
name: Ishikawa, Tetsuya
name: Nakatsuji, Satoru
name: Kiss, Takayuki
Publisher: name: arXiv
Year: 2018
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We have probed the crystalline electric-field ground states of pure $|J = 7/2, J_z = \pm 5/2\rangle$ as well as the anisotropic $c$-$f$ hybridization in both valence fluctuating systems $α$- and $β$-YbAlB$_4$ by linear polarization dependence of angle-resolved core level photoemission spectroscopy. Interestingly, the small but distinct difference between \abyb was found in the polar angle dependence of linear dichroism, indicating the difference in the anisotropy of $c$-$f$ hybridization which may be essential to a heavy Fermi liquid state in $α$-YbAlB$_4$ and a quantum critical state in $β$-YbAlB$_4$.
ASYMPTOTIC NORMALITY OF THE MAXIMUM LIKELIHOOD ESTIMATOR IN THE NONLINEAR REGRESSION MODEL WITH NORMAL ERRORS
Creators: name: Heijmans, Risto
name: Magnus, Jan
name: Heijmans, Risto
name: Magnus, Jan
Publisher: name: Unknown
Year: 1983
Subjects: Research Methods/ Statistical Methods

description: Asymptotic Properties of the Maximum Likelihood Estimators in the Nonlinear Regression Model with Normal Errors In this paper we consider a set y = (y1,... ,y) of observations, not necessarily independent on identically distributed, whose joint distribution is known to be normal, where both the mean vector p or the covariance matrix 2 may depend on unknown parameters 11,...,y (=y) to be estimated. By putting Pt(Y) = (P(xt.Y) we obtain the nonlinear regression model (t=1,2,...,n), c = N(0,0(y)) Yt = 43(xt'l) ct as a special case. In the present paper we will obtain conditions for the asymptotic normality of a consistent maximum likelihood estimator of y .
Inhomogeneous ground state and the coexistence of two length scales near phase transitions in real solids
Creators: name: Korzhenevskii, A. L.
name: Herrmanns, K.
name: Heuer, H. -O.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Real crystals almost unavoidably contain a finite density of dislocations. We show that this generic type of long--range correlated disorder leads to a breakdown of the conventional scenario of critical behavior and standard renormalization group techniques based on the existence of a simple, homogeneous ground state. This breakdown is due to the appearance of an inhomogeneous ground state that changes the character of the phase transition to that of a percolative phenomenon. This scenario leads to a natural explanation for the appearance of two length scales in recent high resolution small-angle scattering experiments near magnetic and structural phase transitions.
description: 4 pages, RevTex, no figures; also available from http://www.tp3.ruhr-uni-bochum.de/archive/tpiii_archive.html