cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A numeraire-free and original probability based framework for financial markets
Creators: name: Yan, Jia-An
Publisher: name: arXiv
Year: 2003
Subjects: subject: Probability (math.PR)
subject: Computational Finance (q-fin.CP)
subject: FOS: Mathematics
subject: FOS: Economics and business
subject: 60H30, 60G44

description: In this paper, we introduce a numeraire-free and original probability based framework for financial markets. We reformulate or characterize fair markets, the optional decomposition theorem, superhedging, attainable claims and complete markets in terms of martingale deflators, present a recent result of Kramkov and Schachermayer (1999, 2001) on portfolio optimization and give a review of utility-based approach to contingent claim pricing in incomplete markets.
Dissertação-Adelaide Helena.pdf
Creators: name: Casimiro, Adelaide
Publisher: name: figshare
Year: 2020
Subjects: subject: 150301 Business Information Management (incl. Records, Knowledge and Information Management, and Intelligence)
subject: FOS: Economics and business
subject: Library and Information Studies
subject: FOS: Media and communications

description: The studies that are based on the principles of Knowledge Management (KM) have their bases linked to the creation of environments favorable to the controlled sharing of the knowledge of each individual. This dissertation had the objective to analyze the practice of Management by Competences (MbC) applied to Graduation Degree in Archivology at the national level. The four specific objectives are to recognize the compulsory subjects that form the common axis between universities; to point out the competences required for the course through common compulsory subjects; to map the technical-professional competences of the teachers who teach the common compulsory subjects to the courses; and to compare the essential competences of the courses with the essential individual skills of the teachers. As far as the methodology is considered of direct documentary nature because uses primary sources, the method is inductive, whereas the objectives are exploratory and descriptive, applying the qualitative and quantitative-decritive approach. As for the procedures were used the statistical and typological, since the dependent and independent variables are the categories and Lattes résumé of the teachers respectively. The research universe used is the common compulsory subjects of the 16 universities that have Graduation Degrees in Archivology authorized by the Brazilian Ministry of Education and the teachers who work in their respective disciplines. Lattes résumé were analyzed according to the Content Analysis method, with the Management by Competences guidelines and descriptive statistics techniques. The results indicate that there are indications of the application of Management by Competences in the common compulsory subjects of Graduation Degrees in Archivology in Brazil. The analyzes and discussions developed allow us to conclude that the hypothesis raised, that the teachers of Graduation Degrees in Archivology are allocated in the disciplines according to their technical-professional competences, is partially true and corresponds to half of the categories of common compulsory subjects. While the other half do not have equally positive rates. If MbC is employed in an adequate, efficient and effective way, it can heal or minimize the problems pointed out and increase the indexes found during this research, besides adding numerous benefits to the public service. It is hoped that with this work, the MbC can be considered as an emergent solution to the questions that are presented in said courses.
Compositions of Planetary Debris around Dusty White Dwarfs
Creators: name: Xu, Siyi
name: Dufour, Patrick
name: Klein, Beth
name: Melis, Carl
name: Monson, Nathaniel N.
name: Zuckerman, B.
name: Young, Edward D.
name: Jura, Michael A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The photospheres of some white dwarfs are "polluted" by accretion of material from their surrounding planetary debris. White dwarfs with dust disks are often heavily polluted and high-resolution spectroscopic observations of these systems can be used to infer the chemical compositions of extrasolar planetary material. Here, we report spectroscopic observation and analysis of 19 white dwarfs with dust disks or candidate disks. The overall abundance pattern very much resembles that of bulk Earth and we are starting to build a large enough sample to probe a wide range of planetary compositions. We found evidence for accretion of Fe-rich material onto two white dwarfs as well as O-rich but H-poor planetary debris onto one white dwarf. In addition, there is a spread in Mg/Ca and Si/Ca ratios and it cannot be explained by differential settling or igneous differentiation. The ratios appear to follow an evaporation sequence. In this scenario, we can constrain the mass and number of evaporating bodies surrounding polluted white dwarfs.
description: 22 pages, 13 figures, 7 tables, AJ, in press
MOESM1 of Differential expression of microRNA, miR-150 and enhancer of zeste homolog 2 (EZH2) in peripheral blood cells as early prognostic markers of severe forms of dengue
Creators: name: Harsha Hapugaswatta
name: Pubudu Amarasena
name: Premaratna, Ranjan
name: Kapila Seneviratne
name: Nimanthi Jayathilaka
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Molecular Biology
subject: Pharmacology
subject: 69999 Biological Sciences not elsewhere classified
subject: Marine Biology
subject: Hematology
subject: Plant Biology

description: Additional file 1: Table S1. Primers for microRNA genes for qRT-PCR analysis. Table S2. Primers for microRNA target genes for qRT-PCR analysis. Table S3. AST, ALT and HCT of patients from admission to discharge. Table S4. Relative expression of microRNA at admission. Table S5. Relative expression of putative target genes of microRNA at admission.
title: Bank capital ratios in the 1990s: cross-country evidence
Creators: name: De Bondt, Gabe J.
name: Prast, Henriette M.
Publisher: name: PSL Quarterly Review
Year: 2013
Subjects: subject: Bank, capital ratios, 1990s, US, UK, EMU
subject: G21, G28

description: This study aims at assessing empirically the determinants of changes in risk-weighted bank capital ratios in the 1990s in Germany, France, Italy, the Netherlands, the UK and the US. Both bank-specific characteristics, factors at the banking industry level and the degree of undercapitalization are found to be relevant for bank capital ratios. The results suggest that in most cases either banks assess the risk of their portfolio as being higher than the outcomes generated by the Basel Capital Accord risk weighting scheme, or they need to take additional country- or bank-specific capital requirements into account when setting capital ratios. In all countries commercial banks face a downward pressure on their capital ratios due to an intensified competition. Finally, capital regulation seems to be effective in influencing bank capital ratios. JEL Codes: G21, G28
description: PSL Quarterly Review, V. 53, N. 212 (2000)
Second Order Freeness and Fluctuations of Random Matrices: I. Gaussian and Wishart matrices and Cyclic Fock spaces
Creators: name: Mingo, James A.
name: Speicher, Roland
Publisher: name: arXiv
Year: 2004
Subjects: subject: Operator Algebras (math.OA)
subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 46L54, 15A52, 60F

description: We extend the relation between random matrices and free probability theory from the level of expectations to the level of fluctuations. We introduce the concept of "second order freeness" and derive the global fluctuations of Gaussian and Wishart random matrices by a general limit theorem for second order freeness. By introducing cyclic Fock space, we also give an operator algebraic model for the fluctuations of our random matrices in terms of the usual creation, annihilation, and preservation operators. We show that orthogonal families of Gaussian and Wishart random matrices are asymptotically free of second order.
description: 46 pages, 13 figures, second revision adds explanations, figures, and references
Myanmar's New Generation: A study of elite young people in Yangon, 2010 to 2016
Creators: name: Menager, Jacqueline
Publisher: name: The Australian National University
Year: 2017
Subjects: Myanmar
Burma
young people
generation
elite
Yangon
social transformation
politics
military
hip hop
culture

description: With Myanmar’s 2010 general election the world’s longest reigning military regime undertook a managed diminution of overt authoritarian rule. As the population adjusted to a series of cascading social transformations, elite young people stepped up to catalyse a period of generational change. This thesis considers elite young people in Myanmar from 2010 to 2016, and provides analysis based on extensive fieldwork in the city of Yangon, Myanmar. This thesis disaggregates five social groups of elite young people in contemporary Myanmar, and orders them according to their proximity to established arrangements of the former military regime: the Yakuza gangsters, the cronies, the beloved young women, the cool underground rappers, and the creatives. Through a process of generational rejuvenation elite young people influenced Myanmar’s social and economic transformations, in what proved to be nuanced and contradictory ways. Theories of generations conceptualise generational change as an iterative process, involving the regeneration and rejuvenation of existing explanations and systems alongside the introduction of entirely new ones. In contrast, theories of elite formation explain how various elite qualities are inherited from one generation to the next, often bolstering the social status of the people with that quality. This thesis applies a combination of these approaches to the case study of Myanmar, contributing a vibrant understanding of the processes of generational change, highlighting the role of elite young people in the early days of a wide-ranging social transformation.
Active inference on discrete state-spaces: a synthesis
Creators: name: Da Costa, Lancelot
name: Parr, Thomas
name: Sajid, Noor
name: Veselic, Sebastijan
name: Neacsu, Victorita
name: Friston, Karl
Publisher: name: arXiv
Year: 2020
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: FOS: Biological sciences

description: Active inference is a normative principle underwriting perception, action, planning, decision-making and learning in biological or artificial agents. From its inception, its associated process theory has grown to incorporate complex generative models, enabling simulation of a wide range of complex behaviours. Due to successive developments in active inference, it is often difficult to see how its underlying principle relates to process theories and practical implementation. In this paper, we try to bridge this gap by providing a complete mathematical synthesis of active inference on discrete state-space models. This technical summary provides an overview of the theory, derives neuronal dynamics from first principles and relates this dynamics to biological processes. Furthermore, this paper provides a fundamental building block needed to understand active inference for mixed generative models; allowing continuous sensations to inform discrete representations. This paper may be used as follows: to guide research towards outstanding challenges, a practical guide on how to implement active inference to simulate experimental behaviour, or a pointer towards various in-silico neurophysiological responses that may be used to make empirical predictions.
description: 36 pages, 5 figures
Suppressed-gap millimetre wave kinetic inductance detectors using DC-bias current
Creators: name: Zhao, Songyuan
name: Withington, Stafford
name: Goldie, David J.
name: Thomas, Chris N.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: In this study, we evaluate the suitability of using DC-biased aluminium resonators as low-frequency kinetic inductance detectors operating in the frequency range of 50 - 120 GHz. Our analysis routine for supercurrent-biased resonators is based on the Usadel equations and gives outputs including density of states, complex conductivities, transmission line properties, and quasiparticle lifetimes. Results from our analysis confirm previous experimental observations on resonant frequency tuneability and retention of high quality factor. Crucially, our analysis suggests that DC-biased resonators demonstrate significantly suppressed superconducting density of states gap. Consequently these resonators have lower frequency detection threshold and are suitable materials for low-frequency kinetic inductance detectors.
The Universe from Nothing: A Mathematical Lattice of Empty Sets
Creators: name: Bounias, Michel
name: Krasnoholovets, Volodymyr
Publisher: name: arXiv
Year: 2003
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: In this work, major principles of the mathematical constitution of space and the principles of construction of the physical space are presented. Generalized conceptions of distances and dimensionality evaluation are proposed, together with their conditions of validity and range of application to topological spaces. The existence of a Boolean lattice with fractal properties originating from non-well-founded properties of the empty set is demonstrated. Space-time emerges as an ordered sequence of mappings of closed 3-D Poincare sections of a topological 4-space-time provided by the lattice of primary empty cells. The fractal kernel stands for a particle and the reduction of its volume is compensated by morphic changes of a finite number of surrounding cells. Quanta of distances and quanta of fractality are demonstrated. It is shown that the families of fractal deformations give rise to families of particle-like structures. Deformation attributes associated to mass determine the inert mass and the gravitational effects, as has previously been shown, but fractal deformations of cells are responsible for the other fundamental characteristics, namely: spin, charges, and electric and magnetic properties.
description: 21 p., Talk given at the conference CASYS'2003 (Inst. of Mathematics, Liege, Belgium, 11-16 August 2003); the journal vesrion
Applications of Near-Term Photonic Quantum Computers: Software and Algorithms
Creators: name: Bromley, Thomas R.
name: Arrazola, Juan Miguel
name: Jahangiri, Soran
name: Izaac, Josh
name: Quesada, Nicolás
name: Gran, Alain Delgado
name: Schuld, Maria
name: Swinarton, Jeremy
name: Zabaneh, Zeid
name: Killoran, Nathan
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Gaussian Boson Sampling (GBS) is a near-term platform for photonic quantum computing. Recent efforts have led to the discovery of GBS algorithms with applications to graph-based problems, point processes, and molecular vibronic spectra in chemistry. The development of dedicated quantum software is a key enabler in permitting users to program devices and implement algorithms. In this work, we introduce a new applications layer for the Strawberry Fields photonic quantum computing library. The applications layer provides users with the necessary tools to design and implement algorithms using GBS with only a few lines of code. This paper serves a dual role as an introduction to the software, supported with example code, and also a review of the current state of the art in GBS algorithms.
description: Code available at https://github.com/XanaduAI/strawberryfields/ and documentation available at https://strawberryfields.readthedocs.io/
The wave-vector power spectrum of the local tunnelling density of states: ripples in a d-wave sea
Creators: name: Capriotti, L.
name: Scalapino, D. J.
name: Sedgewick, R. D.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: A weak scattering potential imposed on a $CuO_2$ layer of a cuprate superconductor modulates the local density of states $N(x,ω)$. In recently reported experimental studies scanning-tunneling maps of $N(x,ω)$ have been Fourier transformed to obtain a wave-vector power spectrum. Here, for the case of a weak scattering potential, we discuss the structure of this power spectrum and its relationship to the quasi-particle spectrum and the structure factor of the scattering potential. Examples of quasi-particle interferences in normal metals and $s$- and d-wave superconductors are discussed.
description: 22 pages, 21 figures; enlarged discussion of the d-wave response, to be published in Physical Review B
Teaching linear algebra at university
Creators: name: Dorier, Jean-Luc
Publisher: name: arXiv
Year: 2003
Subjects: subject: History and Overview (math.HO)
subject: FOS: Mathematics
subject: 97, 01, 15

description: Linear algebra represents, with calculus, the two main mathematical subjects taught in science universities. However this teaching has always been difficult. In the last two decades, it became an active area for research works in mathematics education in several countries. Our goal is to give a synthetic overview of the main results of these works focusing on the most recent developments. The main issues we will address concern: the epistemological specificity of linear algebra and the interaction with research in history of mathematics; the cognitive flexibility at stake in learning linear algebra; three principles for the teaching of linear algebra as postulated by G. Harel; the relation between geometry and linear algebra; an original teaching design experimented by M. Rogalsk.
Possible Z2 phase and spin-charge separation in electron doped cuprate superconductors
Creators: name: Ribeiro, Tiago C.
name: Wen, Xiao-Gang
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The SU(2) slave-boson mean-field theory for the tt'J model is analyzed. The role of next-nearest-neighbor hopping t' on the phase-diagram is studied. We find a pseudogap phase in hole-doped materials (where t'<0). The pseudo-gap phase is a U(1) spin liquid (the staggered-flux phase) with a U(1) gauge interaction and no fractionalization. This agrees with experiments on hole doped samples. The same calculation also indicates that a positive t' favors a Z2 state with true spin-charge separation. The Z2 state that exists when t' > 0.5J can be a candidate for the pseudo-gap phase of electron-doped cuprates (if such a phase exists). The experimental situation in electron-doped materials is also addressed.
description: 6 pages, 2 figures, RevTeX4. Homepage http://dao.mit.edu/~wen/
MOESM1 of Interfacial molecular interactions of cellobiohydrolase Cel7A and its variants on cellulose
Creators: name: Akshata Mudinoor
name: Goodwin, Peter
name: Raghavendra Rao
name: Nardrapee Karuna
name: Hitomi, Alex
name: Nill, Jennifer
name: Jeoh, Tina
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Molecular Biology
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology

description: Additional file 1: S1. Relative activities of Cel7A and E212Q used in this study. S2. Photostability of Cy5 labels under imaging conditions used in this study. S3. Localization of individual enzymes in a single-molecule (SM) fluorescence image sequence using DAOSTORM. S4. Obtaining Binding lifetimes of individual enzyme molecules using output from DAOSTORM. S5. Multi-exponential fitting of the binding time histograms. S6. Binding of Cel7A and Cel7A CD on phosphoric acid swollen cellulose (PASC). S7. Automating the analysis of single-molecule (SM) image stacks for unbiased determination of binding lifetimes of cellulases on cellulose.
Asymptotics of the Largest Eigenvalue Distribution of the Laguerre Unitary Ensemble
Creators: name: Lyu, Shulin
name: Min, Chao
name: Chen, Yang
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 15B52, 41A60, 42C05

description: We study the probability that all the eigenvalues of $n\times n$ Hermitian matrices, from the Laguerre unitary ensemble with the weight $x^γ\mathrm{e}^{-4nx},\;x\in[0,\infty),\;γ>-1$, lie in the interval $[0,α]$. By using previous results for finite $n$ obtained by the ladder operator approach of orthogonal polynomials, we derive the large $n$ asymptotics of the largest eigenvalue distribution function with $α$ ranging from 0 to the soft edge. In addition, at the soft edge, we compute the constant conjectured by Tracy and Widom [Commun. Math. Phys. 159 (1994), 151-174], later proved by Deift, Its and Krasovsky [Commun. Math. Phys. 278 (2008), 643-678]. Our results are reduced to those of Deift et al. when $γ=0$.
description: 18 pages
A maximum principle related to volume growth and applications
Creators: name: Alias, Luis J.
name: Caminha, Antonio
name: Nascimento, F. Yure do
Publisher: name: arXiv
Year: 2020
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C42

description: In this paper, we derive a new form of maximum principle for smooth functions on a complete noncompact Riemannian manifold $M$ for which there exists a bounded vector field $X$ such that $\langle\nabla f,X\rangle\geq 0$ on $M$ and $\mathrm{div} X\geq af$ outside a suitable compact subset} of $M$, for some constant $a>0$, under the assumption that $M$ has either polynomial or exponential volume growth. We then use it to obtain some straightforward applications to smooth functions and, more interestingly, to Bernstein-type results for hypersurfaces immersed into a Riemannian manifold endowed with a Killing vector field, as well as to some results on the existence and size of minimal submanifolds immersed into a Riemannian manifold endowed with a conformal vector field.
description: 17 pages. Corrected statement of main result (Theorem 2.1) including the necessary hypothesis of "stability under the flow" of the domain. See Remark 2.4 for the necessity of this hypothesis. We thank professors S. Pigola and A. Setti for calling our attention about this point
The Gravitational Perturbation of a Morris-Thorne Wormhole and The Newman-Penrose Formalism
Creators: name: Kang, YuRi
name: Kim, Sung-Won
Publisher: name: arXiv
Year: 2019
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The gravitational perturbation of the Morris-Thorne wormhole has been derived by using the Newman-Penrose formalism. We apply Teukolsky equation to the wormhole spacetime, compute the perturbed Weyl scalars, $Ψ_{4}^{(1)}$ and obtain its master equation, decomposed in spin weighted spherical harmonics with spin weight $-2$. For simplicity, we consider the perturbation provoked by a single gaussian pulse of pressureless dust matter.
description: 20 pages, 6 figures
MOESM1 of Neonatal hypoxia-ischemia in rat elicits a region-specific neurotrophic response in SVZ microglia
Creators: name: Fisch, Urs
name: Brégère, Catherine
name: Geier, Florian
name: Chicha, Laurie
name: Guzman, Raphael
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology

description: Additional file 1: Table S1. Total numbers of animals, numbers of included animals with sex distribution and excluded animals with reason for exclusion for each experiment. Table S2. Percentages of CD11b+ CD45+ microglia per tissue group and condition for each experiment. Table S3. List of all statistical comparisons in the main figures. Figure S1. Right and left hemispheres in sham animals are not different. Figure S2. Density of PCNA+ and PAX6+ cells in the dorsolateral SVZ. Figure S3. Hypoxia alone is insufficient to elicit HI-specific microglial changes. Figure S4. SVZ microglial phagocytosis of Ki67+ SVZ cells. Figure S5. Magnetic bead sorting resulted in a high purity of CD11b+ CD45+ microglia. Figure S6. Microarray validation with qPCR for Igf-1. Figure S7. The gene expression profile of cortex and SVZ microglia after neonatal HI shared similarities with that of microglia from rodent models of neurodegenerative diseases.
Physics, Stability and Dynamics of Supply Networks
Creators: name: Helbing, Dirk
name: Lammer, Stefan
name: Seidel, Thomas
name: Seba, Petr
name: Platkowski, Tadeusz
Publisher: name: arXiv
Year: 2004
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We show how to treat supply networks as physical transport problems governed by balance equations and equations for the adaptation of production speeds. Although the non-linear behaviour is different, the linearized set of coupled differential equations is formally related to those of mechanical or electrical oscillator networks. Supply networks possess interesting new features due to their complex topology and directed links. We derive analytical conditions for absolute and convective instabilities. The empirically observed "bull-whip effect" in supply chains is explained as a form of convective instability based on resonance effects. Moreover, it is generalized to arbitrary supply networks. Their related eigenvalues are usually complex, depending on the network structure (even without loops). Therefore, their generic behavior is characterized by oscillations. We also show that regular distribution networks possess two negative eigenvalues only, but perturbations generate a spectrum of complex eigenvalues.
description: For related work see http://www.helbing.org
Norm formulas for finite groups and induction from elementary abelian subgroups
Creators: name: Aljadeff, Eli
name: Kassel, Christian
Publisher: name: arXiv
Year: 2004
Subjects: subject: Rings and Algebras (math.RA)
subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 16W22, 16U99, 20C10, 20D15, 20J05

description: It is known that the norm map N_G for a finite group G acting on a ring R is surjective if and only if for every elementary abelian subgroup E of G the norm map N_E for E is surjective. Equivalently, there exists an element x_G in R with N_G(x_G) = 1 if and only for every elementary abelian subgroup E there exists an element x_E in R such that N_E(x_E) = 1. When the ring R is noncommutative, it is an open problem to find an explicit formula for x_G in terms of the elements x_E. In this paper we present a method to solve this problem for an arbitrary group G and an arbitrary group action on a ring.Using this method, we obtain a complete solution of the problem for the quaternion and the dihedral 2-groups,and for a group of order 27. We also show how to reduce the problem to the class of (almost) extraspecial p-groups.
description: 31 pages. In Section 1 a universal ring and the proof of the existence of formulas for any finite group were added
Chemistry and Complexity for Solitons in AdS$_5$
Creators: name: Andrews, Shane
name: Hennigar, Robie A.
name: Kunduri, Hari K.
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Minimal $D=5$ supergravity admits asymptotically globally AdS$_5$ gravitational solitons (strictly stationary, geodesically complete spacetimes with positive mass). We show that, like asymptotically flat gravitational solitons, these solutions satisfy mass and mass variation formulas analogous to those satisfied by AdS black holes. A thermodynamic volume associated to the non-trivial topology of the spacetime plays an important role in this construction. We then consider these solitons within the holographic ``complexity equals action'' and ``complexity equals volume'' conjectures as simple examples of spacetimes with nontrivial rotation and topology. We find distinct behaviours for the volume and action, with the counterterm for null boundaries playing a significant role in the latter case. For large solitons we find that both proposals yield a complexity of formation proportional to a power of the thermodynamic volume, $V^{3/4}$. In fact, up to numerical prefactors, the result coincides with the analogous one for large black holes.
description: 54 pages, 9 figures
Popularizing mathematics: from eight to infinity
Creators: name: Hansen, Vagn Lundsgaard
Publisher: name: arXiv
Year: 2003
Subjects: subject: History and Overview (math.HO)
subject: FOS: Mathematics
subject: 00A05, 00A80, 97B20

description: It is rare to succeed in getting mathematics into ordinary conversation without meeting all kinds of reservations. In order to raise public awareness of mathematics effectively, it is necessary to modify such attitudes. In this paper, we point to some possible topics for general mathematical conversation.
MOESM9 of Elongation during segmentation shows axial variability, low mitotic rates, and synchronized cell cycle domains in the crustacean, Thamnocephalus platyurus
Creators: name: Constantinou, Savvas
name: Duan, Nicole
name: Nagy, Lisa
name: Chipman, Ariel
name: Williams, Terri
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: Space Science
subject: Genetics
subject: FOS: Biological sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Developmental Biology
subject: Cancer
subject: Inorganic Chemistry

description: Additional file 9. Estimate of number of times cells in the growth zone of the hatchling would need to divide to produce all the new segmental tissue. Area of the growth zone of the hatchling is assumed to be a trapezoid and the length of the growth zone measured in cells is multiplied by half the sum of the anterior and posterior width of the growth zone, to reach an estimate of 325 cells. Then, length and width in cell diameters of each newly added segment is used to calculate the area of the new segment (as a rectangle). These are summed over all stages measured and the resulting number used to calculate how many times on average the cells of the initial growth zone would need to divide to produce all the new tissue.
title: Central banks in European emerging market economies in the 1990s
Creators: name: Hochreiter, Eduard
name: Kowalski, Tadeusz
Publisher: name: PSL Quarterly Review
Year: 2013
Subjects: subject: Central banks, Europe, 1990s
subject: P24, E58, N24

description: This paper analyzes the institutional framework of central banks in ten Central and East European countries using the ECB as benchmark. It looks at the legislated objectives of these central banks, assesses the degree of political and functional independence and the status of their democratic legitimization and accountability. We find that while much progress has been made in making the statutes "Maastricht compatible," all of them will have to be adapted once again before EMU entry. The legislation provides for democratic accountability comparable to that of the ESCB. In recent years the enacted limitations of fiscal financing have become more binding. Rescue operations in the financial sector might be seen as encroaching the independence of the central bank. JEL Codes: P24, E58, N24
description: PSL Quarterly Review, V. 53, N. 212 (2000)
MOESM8 of Elongation during segmentation shows axial variability, low mitotic rates, and synchronized cell cycle domains in the crustacean, Thamnocephalus platyurus
Creators: name: Constantinou, Savvas
name: Duan, Nicole
name: Nagy, Lisa
name: Chipman, Ariel
name: Williams, Terri
Publisher: name: figshare
Year: 2020
Subjects: subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Inorganic Chemistry
subject: FOS: Chemical sciences

description: Additional file 8. Correlation between Hoechst and pH3 mitosis counts within the same individual. For all developmental stages that have both Hoechst and pH3 data, the linear correlation and number of specimens is given.
emcee v3: A Python ensemble sampling toolkit for affine-invariant MCMC
Creators: name: Foreman-Mackey, Daniel
name: Farr, Will M.
name: Sinha, Manodeep
name: Archibald, Anne M.
name: Hogg, David W.
name: Sanders, Jeremy S.
name: Zuntz, Joe
name: Williams, Peter K. G.
name: Nelson, Andrew R. J.
name: de Val-Borro, Miguel
name: Erhardt, Tobias
name: Pashchenko, Ilya
name: Pla, Oriol Abril
Publisher: name: arXiv
Year: 2019
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Computation (stat.CO)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: emcee is a Python library implementing a class of affine-invariant ensemble samplers for Markov chain Monte Carlo (MCMC). This package has been widely applied to probabilistic modeling problems in astrophysics where it was originally published, with some applications in other fields. When it was first released in 2012, the interface implemented in emcee was fundamentally different from the MCMC libraries that were popular at the time, such as PyMC, because it was specifically designed to work with "black box" models instead of structured graphical models. This has been a popular interface for applications in astrophysics because it is often non-trivial to implement realistic physics within the modeling frameworks required by other libraries. Since emcee's release, other libraries have been developed with similar interfaces, such as dynesty (Speagle 2019). The version 3.0 release of emcee is the first major release of the library in about 6 years and it includes a full re-write of the computational backend, several commonly requested features, and a set of new "move" implementations.
description: Published in the Journal for Open Source Software
Quantifying the bimodal color-magnitude distribution of galaxies
Creators: name: Baldry, I. K.
name: Glazebrook, K.
name: Brinkmann, J.
name: Ivezic, Z.
name: Lupton, R. H.
name: Nichol, R. C.
name: Szalay, A. S.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We analyse the bivariate distribution, in color versus absolute magnitude (u-r vs. M_r), of a low redshift sample of galaxies from the Sloan Digital Sky Survey (SDSS; 2400 deg^2, 0.004
description: 14 pages, 11 figures, accepted by ApJ
Anisotropic flow of charged and identified hadrons at FAIR energies and its dependence on the nuclear equation of state
Creators: name: Rode, Sudhir Pandurang
name: Bhaduri, Partha Pratim
name: Roy, Ankhi
Publisher: name: arXiv
Year: 2019
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this article, we examine the equation of state (EoS) dependence of the anisotropic flow parameters ($v_{1}$, $v_{2}$ and $v_{4}$) of charged and identified hadrons, as a function of transverse momentum ($p_{\rm T}$), rapidity ($y_{c.m.}$) and the incident beam energy ($\rm E_{\rm Lab}$) in mid-central Au + Au collisions in the energy range $\rm E_{\rm Lab} = 6 -25$ A GeV. Simulations are carried out by employing different variants of the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model, namely the pure transport (cascade) mode and the hybrid mode. In the hybrid mode, transport calculations are coupled with the ideal hydrodynamical evolution. Within the hydrodynamic scenario, two different equations of state (EoS) viz. Hadron gas and Chiral + deconfinement EoS have been employed separately to possibly mimic the hadronic and partonic scenarios, respectively. It is observed that the flow parameters are sensitive to the onset of hydrodynamic expansion of the fireball in comparison to the pure transport approach. The results would be useful as predictions for the upcoming low energy experiments at Facility for Antiproton and Ion Research (FAIR) and Nuclotron-based Ion Collider fAcility (NICA).
description: Accepted in European Physical Journal A
The magnetic resonance in high-temperature superconductors: Evidence for an extended s-wave pairing symmetrysymmetry
Creators: name: Zhao, Guo-meng
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We have identified several important features in the neutron scattering data of cuprates, which are difficult to be explained in terms of d-wave and isotropic s-wave order parameters. Alternatively, we show that the neutron data are in quantitative agreement with an order parameter that has an extended s-wave (A_1g) symmetry and opposite sign in the bonding and antibonding electron bands formed within the Cu_{2}O_{4} bilayers. The extended s-wave has eight line nodes and change signs when a node is crossed. This A_1g pairing symmetry may be compatible with a charge fluctuation mediated pairing mechanism.
description: 9 pages, 3 figures
Time-reversal symmetry breaking versus superstructure
Creators: name: Borisenko, S. V.
name: Kordyuk, A. A.
name: Koitzsch, A.
name: Knupfer, M.
name: Fink, J.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: One of the mysteries of modern condenced-matter physics is the nature of the pseudogap state of the superconducting cuprates. Kaminski et al.1 claimed to have observed signatures of time-reversal symmetry breaking in the pseudogap regime in underdoped Bi2Sr2CaCu2O8+d (Bi2212). Here we argue that the observed dichroism is due to the 5x1 superstructure replica of the electronic bands and therefore cannot be considered as evidence for the spontaneous time-reversal symmetry breaking in cuprates.
description: 5 pages, pdf
Reforms of the university mathematics education for non-mathematical specialties
Creators: name: Xiao, Shutie
Publisher: name: arXiv
Year: 2003
Subjects: subject: History and Overview (math.HO)
subject: FOS: Mathematics
subject: 97D30

description: This article is a part of the report for the research project ``Reform of the Course System and Teaching Content of Higher Mathematics (For Non-Mathematical Specialties)'' in 1995, supported by the National Ministry of Education. There are thirteen universities participated in this project. The Report not only reflects results of our participants, but also includes valuable opinions of many colleagues in the mathematical education circles. In this article, after a brief description on the history and reform situation of the higher mathematics education in China, attention concentrates to three aspects. They are: main problems in this field existing; the functions of mathematics accomplishment for college students; these concern course system, teaching and learning philosophy, such as overemphasized specialty education, overlooking to arouse rational thinking and aesthetic conceptions, etc. The last aspect contains a discussion on several important relationships, such as: knowledge impartment and quality cultivation, inherence and modernization of the mathematical knowledge, teacher's guidance and students' initiative, mathematical basic training and mathematical application consciousness and ability cultivation, etc.
MOESM7 of Elongation during segmentation shows axial variability, low mitotic rates, and synchronized cell cycle domains in the crustacean, Thamnocephalus platyurus
Creators: name: Constantinou, Savvas
name: Duan, Nicole
name: Nagy, Lisa
name: Chipman, Ariel
name: Williams, Terri
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Cancer
subject: Computational Biology

description: Additional file 7. Correlation of pH3 and Hoechst mitosis counts and cell cycle expression. A. pH3 and Hoechst count correlation for 6 EN animals. We find low correlation at all developmental stages. B. Expression of growth zone pH3 and Hoechst in relation to cell cycle progression. Although pH3 is reported to be expressed throughout M-phase ([37, 73]; red line), we find Thamnocephalus pH3 to be expressed early in M-phase (red dotted line). By comparison, mitosis counts using Hoechst only score cells in late M-phase.
Quantum Phase Transitions and Persistent Currents in Josephson-Junction Ladders
Creators: name: Lee, Minchul
name: Choi, Mahn-Soo
name: Choi, M. Y.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In this work we study quantum phase transitions and persistent currents in capacitively coupled one-dimensional Josephson-junction arrays. We will focus particularly on the roles of exciton-like pairs in the strong coupling limit in the presence of external gate charges and magnetic fluxes. We use the numerical density-matrix renormalization group method for the study in the full range of values of gate charge and magnetic flux. To clarify the various effects, we report the pair correlation functions and the exciton densities as welll as the persistent current.
description: To appear in Phys. Rev. B; title has been changed; a few parts of the text have been change; 12 pages, 17 figures
A MODEL OF PROFESSIONAL SELF-DEVELOPMENT FOR FUTURE FOREIGN LANGUAGE TEACHERS
Creators: name: Zaylobidinova, Dilnoza
Publisher: name: Zenodo
Year: 2025

description: The article studies the theoretical foundations of professional self-development of future foreign language teachers, the practical methodological system, tools and technological foundations of professional self-development of future foreign language teachers, the effectiveness of professional self-development of future foreign language teachers. Also, the theoretical aspects of professional self-development of future foreign language teachers are analyzed.
Bachelor Thesis - Data-based surrogate modeling for simulation of blood flow in vessel-like model
Creators: name: Schindler, Konrad
Publisher: name: Zenodo
Year: 2022
Subjects: Thesis
DMD
surrogate modeling
blood flow

description: This repository includes the most fundamental implementations used for my thesis and all included figures. Abstract: While CFD simulations constantly become more complex, data availability also
 increases. By exploiting this abundance, modal decomposition and model reduction
 techniques exhibit an immense potential to improve hemodynamic research. On
 this behalf, this work derives the dynamic mode decomposition (DMD) method and
 examines its capabilities based on a straight vessel-like geometry. Furthermore, as
 patient-specific treatment demands fast adaptation and investigation of flow param-
 eters, a Navier Stokes equation-based modeling approach is introduced regarding
 the vessel’s mass-inflow as a system variable. While calculations show that the
 basic DMD algorithm provides quantitatively accurate results, the applied method
 of the dynamic mode decomposition with control (DMDc) lacks functional outcomes.
 Furthermore, different characteristics and variants of the method are demonstrated,
 providing a basis for various future assessments and applications.
Black hole with primary scalar hair in Einstein-Weyl-Maxwell-conformal scalar theory
Creators: name: Zou, De-Cheng
name: Myung, Yun Soo
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We obtain a newly charged BBMB (Bocharova-Bronnikov-Melnikov-Bekenstein) black hole solution from the Einstein-Weyl-Maxwell-conformal (conformally coupled) scalar theory with a positive Weyl coupling parameter $m^2_2$ numerically. This solution has a primary scalar hair, compared to a secondary scalar hair in the charged BBMB black hole solution. The limiting case of $m_2^2\to\infty$ leads to the series form of the charged BBMB black hole solution. However, for $m^2_2<0$, we could not obtain any asymptotically flat black hole solution with scalar hair.
description: 1+14 pages, 3 figures, version to appear in PRD
Evidence for a Dichotomy in the Interior Structures of Jupiter and Saturn from Helium Phase Separation
Creators: name: Mankovich, Christopher R.
name: Fortney, Jonathan J.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We examine the comparative thermal evolution of Jupiter and Saturn applying recent theoretical results for helium's immiscibility in fluid metallic hydrogen. The redistribution of helium in their interiors proceeds very differently for the two planets. We confirm that based on Jupiter's atmospheric helium depletion as observed in situ by the Galileo entry probe, Jupiter's interior helium has differentiated modestly, and we present models reconciling Jupiter's helium depletion, radius, and heat flow at the solar age. Jupiter's recently revised Bond albedo implies a lower intrinsic flux for the planet, accommodating more luminosity from helium differentiation such that mildly superadiabatic interiors can satisfy all constraints. The same phase diagram applied to the less massive Saturn predicts dramatic helium differentiation to the degree that Saturn inevitably forms a helium-rich shell or core, an outcome previously proposed by Stevenson & Salpeter and others. The luminosity from Saturn's helium differentiation is sufficient to extend its cooling time to the solar age, even for adiabatic interiors. This model predicts Saturn's atmospheric helium to be depleted to Y=0.07+/-0.01, corresponding to a He/H_2 mixing ratio 0.036+/-0.006. We also show that neon differentiation may have contributed to both planets' luminosity in the past. These results demonstrate that Jupiter and Saturn's thermal evolution can be explained self-consistently with a single physical model, and emphasize that nontrivial helium distributions should be considered in future models for Saturn's internal structure and dynamo.
description: Accepted for publication in ApJ