cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Letter from William Powell Frith to Henry Keyworth Raine, October 7, 1894
Creators: name: Frith, William Powell, 1819-1909
Publisher: name: University of Victoria Libraries
Year: 2022
Subjects: subject: Painters--Correspondence
valueUri: http://id.worldcat.org/fast/1050538
subject: Painters
valueUri: http://id.worldcat.org/fast/1050530
subject: Artists
valueUri: http://id.worldcat.org/fast/817559
subject: Families
valueUri: http://id.worldcat.org/fast/1728849
subject: Artists--Family relationships
valueUri: http://id.worldcat.org/fast/817581
subject: Artists--Correspondence
valueUri: http://id.worldcat.org/fast/817571

description: Part of a collection of 21 letters sent by William Powell Frith to his great nephew Henry Keyworth Raine, dating from March 16, 1890 to March 29, 1908. William Powell Frith (1819-1909), painter of historical and genre works, including large canvases such as Derby Day (1858). “The Race for Wealth” comprises five paintings, all based around a fictional central character, a corrupt financier called The Spider, and all dealing with the theme of reckless financial speculation. Inspired by characters found in the novels of Charles Dickens and Anthony Trollope, The Spider persuades his victims to invest in dubious schemes. Often compared with Hogarth’s “The Rake’s Progress,” “The Race for Wealth” portrays The Spider’s initial success, his unmasking, his trial, and ends with his imprisonment. This letter discusses how happy William is that Henry took his advice, and how well it turned out in his latest drawing.
On a linearization trick
Creators: name: Pisier, Gilles
Publisher: name: arXiv
Year: 2018
Subjects: subject: Operator Algebras (math.OA)
subject: Functional Analysis (math.FA)
subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 46H35, 46L54, 47C15, 15B52, 60B20

description: In several situations, mainly involving a self-adjoint set of unitary generators of a $C^*$-algebra, we show that any matrix polynomial in the generators and the unit that is in the open unit ball can be written as a product of matrix polynomials of degree 1 also in the open unit ball.
description: v2 minor improvements mainly in the introduction
Circular, elliptic and oval billiards in a gravitational field
Creators: name: da Costa, D. R.
name: Dettmann, C. P.
name: Leonel, E. D.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We consider classical dynamical properties of a particle in a constant gravitational force and making specular reflections with circular, elliptic or oval boundaries. The model and collision map are described and a detailed study of the energy regimes is made. The linear stability of fixed points is studied, yielding exact analytical expressions for parameter values at which a period-doubling bifurcation occurs. The dynamics is apparently ergodic at certain energies in all three models, in contrast to the regularity of the circular and elliptic billiard dynamics in the field-free case. This finding is confirmed using a sensitive test involving Lyapunov weighted dynamics. In the last part of the paper a time dependence is introduced in the billiard boundary, where it is shown that for the circular billiard the average velocity saturates for zero gravitational force but in the presence of gravitational it increases with a very slow growth rate, which may be explained using Arnold diffusion. For the oval billiard, where chaos is present in the static case, the particle has an unlimited velocity growth with an exponent of approximately 1/6.
Modelling the Kinked Jet of the Crab Nebula
Creators: name: Mignone, A.
name: Striani, E.
name: Tavani, M.
name: Ferrari, A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We investigate the dynamical propagation of the South-East jet from the Crab pulsar interacting with supernova ejecta by means of three-dimensional relativistic MHD numerical simulations with the PLUTO code. The initial jet structure is set up from the inner regions of the Crab Nebula. We study the evolution of hot, relativistic hollow outflows initially carrying a purely azimuthal magnetic field. Our jet models are characterized by different choices of the outflow magnetization ($σ$ parameter) and the bulk Lorentz factor ($γ_{j}$). We show that the jet is heavily affected by the growth of current-driven kink instabilities causing considerable deflection throughout its propagation length. This behavior is partially stabilized by the combined action of larger flow velocities and/or reduced magnetic field strengths. We find that our best jet models are characterized by relatively large values of $σ$ ($\gtrsim 1$) and small values of $γ_{j}\simeq 2$. Our results are in good agreement with the recent X-ray (\textit{Chandra}) data of the Crab Nebula South-East jet indicating that the jet changes direction of propagation on a time scale of the order of few years. The 3D models presented here may have important implications in the investigation of particle acceleration in relativistic outflows.
description: 15 pages, 20 figures
The wisdom of the cataloguers: LCSH, indexer inconsistencies and collective intelligence
Creators: name: Steele, Gary
Publisher: name: Zenodo
Year: 2011
Subjects: subject: catalogues
subject: catalogs
subject: LCSH
subject: Library of Congress Subject Headings
subject: Content analysis
subject: https://iskouk.org/subjects/Z6UX1M59
subject: https://iskouk.org/subjects/YU6T0DJA
subject: https://iskouk.org/subjects/9OQMAHBK

description: The process of subject analysis and Library of Congress Subject Heading assignment is, despite the availability of rules and standards, a subjective one. Disagreements and inconsistencies between cataloguers regarding the correct Library of Congress Subject Headings for a given resource are widespread. This paper attempts to address the problem of these indexer inconsistencies by utilising the wisdom of the crowd. The various headings suggested by different cataloguers, for a particular resource from a large number of library
 catalogues, can be collated to create a coherent, valid, and consistent set of Library of Congress Subject Headings that represent the collective wisdom of the cataloguers.
Propagation of boundary-induced discontinuity in stationary radiative transfer and its application to the optical tomography
Creators: name: Chen, I-Kun
name: Kawagoe, Daisuke
Publisher: name: arXiv
Year: 2018
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35R09, 35R30, 35Q60

description: We consider a boundary value problem of the stationary transport equation with the incoming boundary condition in two or three dimensional bounded convex domains. We discuss discontinuity of the solution to the boundary value problem arising from discontinuous incoming boundary data, which we call the boundary-induced discontinuity. In particular, we give two kinds of sufficient conditions on the incoming boundary data for the boundary-induced discontinuity. We propose a method to reconstruct attenuation coefficient from jumps in boundary measurements.
description: 19 pages
Ciência de dados para todos: um programa de extensão para difusão de tecnologias de inteligência artificial
Creators: name: Endo, Patricia Takako
name: Carvalho Monteiro, Kayo Henrique
name: Rogerio da Silva Neto, Sebastião
name: da Silva Rocha, Élisson
name: Herverton Lino Ferreira da Silva barros, Maicon
name: Carla Leal da Silva, Raysa
name: Dias, Pâmela Karolina
name: Freitas, Elyda L. S. X.
name: Moutinho Lima, Mirele
name: Florêncio, Jackson
name: Augusto Dourado, Raphael
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 460501
subject: Data engineering and data science

description: A Ciência de Dados é uma área interdisciplinar que combina diversas áreas do conhecimentos para extrair informações a partir de dados brutos. Com a ajuda de diferentes técnicas, é possível identificar padrões que podem ser utilizados em diversas áreas (saúde, engenharia, análise de redes sociais) com diferentes propósitos, como melhorar a eficiência dos processos, desenvolver novos serviços, reduzir custos, aumentar a receita de uma empresa e melhorar a experiência dos usuários. Este artigo apresenta os resultados preliminares do Programa de Extensão denominado "Ciência de Dados para Todos: Um Programa para a Difusão de Tecnologias de Inteligência Artificial", que foi aprovado no Edital PROEC PFA 01/2023. O principal objetivo deste Programa é difundir algumas tecnologias relacionadas à Ciência de Dados através de diferentes tipos de atividades, favorecendo o entorno da UPE Caruaru, e promovendo interação transformadora junto à comunidade caruaruense.
Cidades, Pedestres e Políticas públicas: Recortes do MobilidadeRecife dedicados ao pedestrianismo
Creators: name: Ivo Almeida Luna, Renan
name: Cordeiro, Adriana Tenório
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 350902
subject: Intelligent mobility

description: Este trabalho tem como objetivo descrever os aspectos centrais do MobilidadeRecife, como plano de mobilidade urbana municipal, instituído via Lei Municipal nº 18.887/ 2021, ligados ao pedestrianismo. O MobilidadeRecife se propõe a dar prioridade a pedestres e ciclistas, enfatizando ações voltadas a assegurar a integridade física desses atores e diminuir os índices de acidentes e mortes no trânsito.
Gestão da Mobilidade: Caminhabilidade e planos municipais de mobilidade urbana
Creators: name: Barbosa Silva, Rayane
name: Cordeiro, Adriana Tenório
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 350902
subject: Intelligent mobility

description: Este estudo investiga o campo das políticas de mobilidade urbana. A pesquisa, em andamento, busca prover conhecimentos proveitosos à avaliação de políticas voltadas à caminhabilidade em cidades brasileiras. O objetivo é o de analisar como dimensões operacionais de caminhabilidade são apresentadas de planos municipais de mobilidade urbana. Trata-se de estudo qualitativo, com uso de pesquisa documental e análise de documentos de políticas.
Affine connections and second-order affine structures
Creators: name: Bár, Filip
Publisher: name: arXiv
Year: 2018
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 51K10 (Primary) 03C30, 53B05 (Secondary)

description: Smooth manifolds have been always understood intuitively as spaces with an affine geometry on the infinitesimal scale. In Synthetic Differential Geometry this can be made precise by showing that a smooth manifold carries a natural structure of an infinitesimally affine space. This structure is comprised of two pieces of data: a sequence of symmetric and reflexive relations defining the tuples of mutual infinitesimally close points, called an infinitesimal structure, and an action of affine combinations on these tuples. For smooth manifolds the only natural infinitesimal structure that has been considered so far is the one generated by the first neighbourhood of the diagonal. In this paper we construct natural infinitesimal structures for higher-order neighbourhoods of the diagonal and show that on any manifold any symmetric affine connection extends to a second-order infinitesimally affine structure.
Detecting radiation reaction at moderate laser intensities
Creators: name: Heinzl, Thomas
name: Harvey, Chris
name: Ilderton, Anton
name: Marklund, Mattias
name: Bulanov, Stepan S.
name: Rykovanov, Sergey
name: Schroeder, Carl B.
name: Esarey, Eric
name: Leemans, Wim P.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: We propose a new method of detecting radiation reaction effects in the motion of particles subjected to laser pulses of moderate intensity and long duration. The effect becomes sizeable for particles that gain almost no energy through the interaction with the laser pulse.
description: 5 pages, 4 figures
Letter from William Powell Frith to Henry Keyworth Raine, July 9, 1894
Creators: name: Frith, William Powell, 1819-1909
Publisher: name: University of Victoria Libraries
Year: 2022
Subjects: subject: Artists
valueUri: http://id.worldcat.org/fast/817559
subject: Painters--Correspondence
valueUri: http://id.worldcat.org/fast/1050538
subject: Families
valueUri: http://id.worldcat.org/fast/1728849
subject: Painters
valueUri: http://id.worldcat.org/fast/1050530
subject: Artists--Family relationships
valueUri: http://id.worldcat.org/fast/817581
subject: Artists--Correspondence
valueUri: http://id.worldcat.org/fast/817571

description: Part of a collection of 21 letters sent by William Powell Frith to his great nephew Henry Keyworth Raine, dating from March 16, 1890 to March 29, 1908. William Powell Frith (1819-1909), painter of historical and genre works, including large canvases such as Derby Day (1858). “The Race for Wealth” comprises five paintings, all based around a fictional central character, a corrupt financier called The Spider, and all dealing with the theme of reckless financial speculation. Inspired by characters found in the novels of Charles Dickens and Anthony Trollope, The Spider persuades his victims to invest in dubious schemes. Often compared with Hogarth’s “The Rake’s Progress,” “The Race for Wealth” portrays The Spider’s initial success, his unmasking, his trial, and ends with his imprisonment. This letter discusses how William has heard good things about Henry's work, and wants him to bring over a couple for him to see.
SWEET-Cat: A catalogue of parameters for Stars With ExoplanETs I. New atmospheric parameters and masses for 48 stars with planets
Creators: name: Santos, N. C.
name: Sousa, S. G.
name: Mortier, A.
name: Neves, V.
name: Adibekyan, V.
name: Tsantaki, M.
name: Mena, E. Delgado
name: Bonfils, X.
name: Israelian, G.
name: Mayor, M.
name: Udry, S.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Due to the importance that the star-planet relation has to our understanding of the planet formation process, the precise determination of stellar parameters for the ever increasing number of discovered extra-solar planets is of great relevance. Furthermore, precise stellar parameters are needed to fully characterize the planet properties. It is thus important to continue the efforts to determine, in the most uniform way possible, the parameters for stars with planets as new discoveries are announced. In this paper we present new precise atmospheric parameters for a sample of 48 stars with planets. We then take the opportunity to present a new catalogue of stellar parameters for FGK and M stars with planets detected by radial velocity, transit, and astrometry programs. Stellar atmospheric parameters and masses for the 48 stars were derived assuming LTE and using high resolution and high signal-to-noise spectra. The methodology used is based on the measurement of equivalent widths for a list of iron lines and making use of iron ionization and excitation equilibrium principles. For the catalog, and whenever possible, we used parameters derived in previous works published by our team, using well defined methodologies for the derivation of stellar atmospheric parameters. This set of parameters amounts to over 65% of all planet host stars known, including more than 90% of all stars with planets discovered through radial velocity surveys. For the remaining targets, stellar parameters were collected from the literature.
description: Astronomy & Astrophysics, accepted for publication
Extension of vector-valued functions and sequence space representation
Creators: name: Kruse, Karsten
Publisher: name: arXiv
Year: 2018
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 46E40, 46A03, 46E10

description: We give a unified approach to handle the problem of extending functions with values in a locally convex Hausdorff space $E$ over a field $\mathbb{K}$, which have weak extensions in a space $\mathcal{F}(Ω,\mathbb{K})$ of scalar-valued functions on a set $Ω$, to functions in a vector-valued counterpart $\mathcal{F}(Ω,E)$ of $\mathcal{F}(Ω,\mathbb{K})$. The results obtained base upon a representation of vector-valued functions as linear continuous operators and extend results of Bonet, Frerick, Gramsch and Jordá. In particular, we apply them to obtain a sequence space representation of $\mathcal{F}(Ω,E)$ from a known representation of $\mathcal{F}(Ω,\mathbb{K})$.
Vector Fields on certain quotients of complex Stiefel manifolds
Creators: name: Gondhali, Shilpa
name: Sankaran, Parameswaran
Publisher: name: arXiv
Year: 2013
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 57R25

description: We consider quotients of complex Stiefel manifolds by finite cyclic groups whose action is induced by the scalar multiplication on the corresponding complex vector space. We obtain a description of their tangent bundles, compute their mod p cohomology and obtain estimates for their span (with respect to their standard differentiable structure). We compute the Pontrjagin and Stiefel-Whitney classes of these manifolds and give applications to their stable parallelizability.
Polo de Práticas: Um relato de monitoria da disciplina DCExt Introdução à Administração sobre jovens universitários no início de sua jornada acadêmica
Creators: name: Cordeiro, Adriana Tenório
name: Maria de Moura, Renata
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 390403
subject: Educational administration, management and leadership

description: Este relato de experiência detalha a vivência da monitoria do 1º período de Administração da Universidade de Pernambuco, ligada à disciplina de DCExt Introdução à Administração. No trabalho, é possível observar um conteúdo detalhado do trabalho de participação nas atividades teóricas e práticas da disciplina, com o papel intermediador entre a docente e os calouros.
Spectral structure of the Neumann--Poincaré operator on tori
Creators: name: Ando, Kazunori
name: Ji, Yong-Gwan
name: Kang, Hyeonbae
name: Kawagoe, Daisuke
name: Miyanishi, Yoshihisa
Publisher: name: arXiv
Year: 2018
Subjects: subject: Spectral Theory (math.SP)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 47A45, 31B25

description: We address the question whether there is a three-dimensional bounded domain such that the Neumann--Poincaré operator defined on its boundary has infinitely many negative eigenvalues. It is proved in this paper that tori have such a property. It is done by decomposing the Neumann--Poincaré operator on tori into infinitely many self-adjoint compact operators on a Hilbert space defined on the circle using the toroidal coordinate system and the Fourier basis, and then by proving that the numerical range of infinitely many operators in the decomposition has both positive and negative values.
description: 14 pages
Benzimidazole-acrylonitrile hybrid derivatives act as potent urease inhibitors with possible fungicidal activity
Creators: name: Moghadam, Ebrahim Saeedian
name: Al-Sadi, Abdullah Mohammed
name: Moghadam, Mahdis Sadeghi
name: Bayati, Bahareh
name: Talebi, Meysam
name: Amanlou, Massoud
name: Amini, Mohsen
name: Abdel-Jalil, Raid
Publisher: name: Taylor & Francis
Year: 2024
Subjects: Biochemistry
Pharmacology
Biotechnology
Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Information Systems not elsewhere classified
Hematology

description: Aim: A series of benzimidazole-acrylonitrile derivatives TM1–TM53 were designed with urease inhibition approach. Materials & methods:TM1–TM53 were synthesized and characterized (1H Nuclear Magnetic Resonance (NMR), 13C NMR, Mass Spectroscopy (MS) and IR) and subjected to urease inhibition assay using commercial assay kit. A molecular docking study was also performed using Autodock tool software. Results: Except six compounds, target molecules exhibited a higher urease inhibition effect (IC50: 1.22–28.45 μM) than hydroxyurea (IC50: 100 μM). kinetic study on TM11, clarified its mode of action as a mixed inhibitor. A molecular docking study on TM6, TM11 and TM21, was performed and the results showed the main residues inside the active site of the enzyme. All TM1–TM53 were also studied in silico using molecular docking techniques to evaluate their potential to inhibit succinate dehydrogenase in comparison to fluxapyroxad as standard. Docking study revealed the high potential of TM1–TM53 as a fungicides. Conclusion: Obtained results exhibited the high activity of benzimidazole-acrylonitrile derivatives as urease inhibitors and their possible potential as fungicide agents. So, it will be beneficial to do more bioactivity investigation on this family of compounds. Benzimidazole-acrylonitrile derivatives were prepared in a two-step reactions. Most of the synthesized derivatives act as potent urease inhibitor. Compound TM11 works as mixed inhibitor. TM1–TM53 showed inhibitory potential against succinate dehydrogenase based on molecular docking study.
Letter from William Powell Frith to Henry Keyworth Raine, July 5, 1896
Creators: name: Frith, William Powell, 1819-1909
Publisher: name: University of Victoria Libraries
Year: 2022
Subjects: subject: Artists--Correspondence
valueUri: http://id.worldcat.org/fast/817571
subject: Families
valueUri: http://id.worldcat.org/fast/1728849
subject: Painters--Correspondence
valueUri: http://id.worldcat.org/fast/1050538
subject: Artists--Family relationships
valueUri: http://id.worldcat.org/fast/817581
subject: Painters
valueUri: http://id.worldcat.org/fast/1050530
subject: Artists
valueUri: http://id.worldcat.org/fast/817559

description: Part of a collection of 21 letters sent by William Powell Frith to his great nephew Henry Keyworth Raine, dating from March 16, 1890 to March 29, 1908. William Powell Frith (1819-1909), painter of historical and genre works, including large canvases such as Derby Day (1858). “The Race for Wealth” comprises five paintings, all based around a fictional central character, a corrupt financier called The Spider, and all dealing with the theme of reckless financial speculation. Inspired by characters found in the novels of Charles Dickens and Anthony Trollope, The Spider persuades his victims to invest in dubious schemes. Often compared with Hogarth’s “The Rake’s Progress,” “The Race for Wealth” portrays The Spider’s initial success, his unmasking, his trial, and ends with his imprisonment.
On a Special Transformation to a Non-Inertial, Radially Rigid Reference Frame
Creators: name: Voytik, Vitaliy
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences
subject: 83A05

description: We discuss the conditions under which a body, moving non-inertially in Minkowski space, can preserve its size. Under these conditions, using a series expansion of the generalized Lorentz transformation, we find a coor- dinate transformation connecting the laboratory inertial reference frame S and the rigid non-inertial reference frame s which moves without its own rotation with respect to S. Direct consequences of this transformation are: (a) desynchronization, in system s, of the coordinate clocks of s which were previously synchronized in S, and (b) a kinematic contraction of a ruler of system s observed in S. We also consider the dependence of the transfor- mation vector parameter on the proper coordinates of s.
description: 14 p
Optical activity in weakly coupled nonorods
Creators: name: M.A. Kuntman
name: E. Kuntman
Publisher: name: Zenodo
Year: 2020
Subjects: circular dichroism, optical activity, plasmonic systems, dipole intraction, Green's method, weak coupling

description: We introduce a matrix method and we derive a formula for phase retardation effects
 in plasmonic systems. We analyze the circular dichroic response (CD) of two orthogonal
 Au nanorods in detail and we show that, although, theoretically, circular dichroism for
 forward scattering is directly proportional to the dipole-dipole interaction between the
 particles, CD response of the system can be much greater in weak coupling due to the
 trade off between two different types of phases.
Polymerization of Branched Polyetherimides: Comparison between Monte Carlo Simulation and Flory-Stockmayer Theory
Creators: name: Wen, Chengyuan
name: Odle, Roy
name: Cheng, Shengfeng
Publisher: name: arXiv
Year: 2019
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A Monte Carlo (MC) simulation method based on the Gillespie algorithm is developed for the polymerization of branched polyetherimides from two back-bone monomers [4,4'-bisphenol A dianhydride (BPADA) and m-phenylenediamine (MPD)], a chain terminator [phthalic anhydride (PA)], and a branching agent [tris[4-(4-aminophenoxy)phenyl] ethane (TAPE)]. This polymerization involves 4 reactions that all can be reduced to a condensation reaction between an amine group and a carboxylic anhydride group. By comparing the MC simulation results to the predictions of the Flory-Stockmayer theory on the molecular weight distribution, we show that the rates of the 4 reactions in the MC simulations should be set based on the concentrations of the functional groups on the monomers involved in each reaction. Using the MC simulations, we show that the Flory-Stockmayer theory predicts the molecular weight distribution well for systems below the gel point that is set by the functionality of the branching agent but starts to fail for systems around or above the gel point. However, for all the systems the MC simulations can be used to reliably predict the molecular weight distribution. Even for a macroscopic system, a converging distribution can be quickly obtained through the MC simulations on a system of only a few hundred to a few thousand monomers but with the same molar ratios of monomers as in the macroscopic system.
description: 12 pages, 9 figures, 5 tables
A charge parity ammeter
Creators: name: Lambert, N. J.
name: Edwards, M.
name: Ciccarelli, C.
name: Ferguson, A. J.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A metallic double-dot is measured with radio frequency reflectometry. Changes in the total electron number of the double-dot are determined via single electron tunnelling contributions to the complex electrical impedance. Electron counting experiments are performed by monitoring the impedance, demonstrating operation of a single electron ammeter without the need for external charge detection.
description: 11 pages, 4 figures
Visualizando o processo: um dashboard para apoio a professores de cursos à distância no acompanhamento processual da aprendizagem
Creators: name: César Roque da Silva, Júlio
name: Thiago Torres da Silva, José
name: Luan da Silva Araújo, José
name: Endo, Patricia Takako
name: A. Dourado, Raphael
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 460806
subject: Human-computer interaction

description: Este trabalho apresenta um dashboard para auxiliar professores que atuam em cursos EaD a acompanharem e analisarem a aprendizagem de seus alunos de forma processual. A ferramenta foi concebida e desenvolvida através de um processo iterativo de design com etapas de entendimento do problema, prototipação de baixo nível e prototipação de alto nível. O dashboard foi utilizado para analisar uma base de dados real de cursos técnicos EaD de uma escola pública de Pernambuco. Os insights obtidos com a ferramenta sobre esta base mostraram padrões de comportamento que podem auxiliar os professores a entender melhor as estratégias de aprendizagem de seus alunos, intervir em tempo real para melhorar o desempenho dos mesmos e também refletir sobre sua prática docente.
Measurement and control of the fast ion redistribution on MAST
Creators: name: Turnyanskiy, M.
name: Challis, C. D.
name: Akers, R. J.
name: Cecconello, M.
name: Keeling, D. L.
name: Kirk, A.
name: Lake, R.
name: Pinches, S. D.
name: Sangaroon, S.
name: Wodniak, I.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Previous experiments on MAST and other tokamaks have indicated that the level of fast ion redistribution can exceed that expected from classical diffusion and that this level increases with beam power. In this paper we present a quantification of this effect in MAST plasmas using a recently commissioned scanning neutron camera. The observed fast ion diffusivity correlates with the amplitude of n=1 energetic particle modes, indicating that they are the probable cause of the non-classical fast ion diffusion in MAST. Finally, it will be shown that broadening the fast ion pressure profile by the application of neutral beam injection at an off-axis location can mitigate the growth of these modes and result in the classical fast ion behaviour
description: 23 pages, 13 figures
Letter from William Powell Frith to Henry Keyworth Raine, July 23, 1894
Creators: name: Frith, William Powell, 1819-1909
Publisher: name: University of Victoria Libraries
Year: 2022
Subjects: subject: Painters
valueUri: http://id.worldcat.org/fast/1050530
subject: Artists
valueUri: http://id.worldcat.org/fast/817559
subject: Artists--Family relationships
valueUri: http://id.worldcat.org/fast/817581
subject: Families
valueUri: http://id.worldcat.org/fast/1728849
subject: Painters--Correspondence
valueUri: http://id.worldcat.org/fast/1050538
subject: Artists--Correspondence
valueUri: http://id.worldcat.org/fast/817571

description: Part of a collection of 21 letters sent by William Powell Frith to his great nephew Henry Keyworth Raine, dating from March 16, 1890 to March 29, 1908. William Powell Frith (1819-1909), painter of historical and genre works, including large canvases such as Derby Day (1858). “The Race for Wealth” comprises five paintings, all based around a fictional central character, a corrupt financier called The Spider, and all dealing with the theme of reckless financial speculation. Inspired by characters found in the novels of Charles Dickens and Anthony Trollope, The Spider persuades his victims to invest in dubious schemes. Often compared with Hogarth’s “The Rake’s Progress,” “The Race for Wealth” portrays The Spider’s initial success, his unmasking, his trial, and ends with his imprisonment.
Thermodynamic Treatment of High Energy Heavy Ion Collision
Creators: name: AL-Harbi, Wedad
name: Hussein, Tarek
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The hadron production in heavy ion collision is treated in the framework of thermodynamic vision. Thermodynamic system formed during central collision of Pb-Pb at high energies is considered, through which binary collision is assumed among the valance quarks. The partition function of the system is calculated; accordingly the free available energy, the entropy and the chemical potential are calculated. The concept of string fragmentation and defragmentation are used to form the newly produced particles. The average multiplicity of the newly produced particles are calculated and compared with the recent experimental results.
description: 15 pages, 6 figures, 2 tables. arXiv admin note: text overlap with arXiv:hep-lat/0608013 by other authors
Utilização de modelos de aprendizado de máquina baseados em árvore para prediçãoo de baixo peso ao nascer
Creators: name: Beatriz Torres Neri, Ana
name: Leandro de Morais, Flavio
name: da Silva Rocha, Élisson
name: Endo, Patricia Takako
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 461103
subject: Deep learning
classificationCode: 461199
subject: Machine learning not elsewhere classified

description: A falta de acesso a um acompanhamento de saúde de qualidade durante a gestação pode resultar em desfechos negativos, incluindo o baixo peso ao nascer (BPN), que pode incorrer em alto risco de morte ou morbidades ao longo do seu crescimento. Predizer o BPN pode garantir maior qualidade de vida no desenvolvimento da criança e evitar que essas gestações tenham um desfecho negativo, tanto para a mãe quanto para o bebê. O objetivo desta pesquisa consiste em avaliar dois modelos de aprendizado de máquina para a predição de BPN. A avaliação foi composta por um conjunto de dados, dos anos de 2018 a 2020, do Sistema de Informações de Nascidos Vivos (SINASC) do Brasil. Dois modelos de aprendizado de máquina baseados em árvore foram escolhidos para a avaliação e os principais atributos sobre a gestante, o pré-natal e o neonato também foram escolhidos, de acordo com a literatura. O modelo AdaBoost em relação ao XGBoost apresentou um melhor desempenho em cinco das seis métricas de avaliação, com o f1-score resultando em 56.05%, perdendo apenas na sensibilidade. Apesar dos modelos apresentarem métricas com valores baixos e muito próximos, os modelos podem ser aprimorados por meio de novas fontes de dados e seleção de atributos com análise de especialistas, a fim de oferecer uma tomada de decisão precisa ao longo do acompanhamento gestacional.
Incorporating Different Sources of Information for Bayesian Optimal Portfolio Selection
Creators: name: Bodnar, Olha
name: Bodnar, Taras
name: Niklasson, Vilhelm
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Mathematical Sciences not elsewhere classified
subject: Science Policy
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology
subject: FOS: Biological sciences

description: This article introduces Bayesian inference procedures for tangency portfolios, with a primary focus on deriving a new conjugate prior for portfolio weights. This approach not only enables direct inference about the weights but also seamlessly integrates additional information into the prior specification. Specifically, it automatically incorporates high-frequency returns and a market condition metric (MCM), exemplified by the CBOE Volatility Index (VIX) and Economic Policy Uncertainty Index (EPU), significantly enhancing the decision-making process for optimal portfolio construction. While the Jeffreys’ prior is also acknowledged, emphasis is placed on the advantages and practical applications of the conjugate prior. An extensive empirical study reveals that our method, leveraging this conjugate prior, consistently outperforms existing trading strategies in the majority of examined cases.
Shot noise and magnetism of Pt atomic chains: accumulation of points at the boundary
Creators: name: Kumar, Manohar
name: Tal, Oren
name: Smit, Roel H. M.
name: Smogunov, Alexander
name: Tosatti, Erio
name: van Ruitenbeek, Jan M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Pt is known to show spontaneous formation of monatomic chains upon breaking a metallic contact. From model calculations, these chains are expected to be spin polarized. However, direct experimental evidence for or against magnetism is lacking. Here, we investigate shot noise as a potential source of information on the magnetic state of Pt atomic chains. We observe a remarkable structure in the distribution of measured shot-noise levels, where the data appear to be confined to the region of nonmagnetic states. While this suggests a nonmagnetic ground state for the Pt atomic chains, from calculations we find that the magnetism in Pt chains is due to 'actor' electron channels, which contribute very little to ballistic conductance and noise. On the other hand, there are weakly polarized 'spectator' channels, which carry most of the current and are only slightly modified by the magnetic state.
description: The paper gives a new interpretation of the experiments presented in arXiv:1101.3939
Incorporating different sources of information for Bayesian optimal portfolio selection
Creators: name: Bodnar, Olha
name: Bodnar, Taras
name: Niklasson, Vilhelm
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Mathematical Sciences not elsewhere classified
subject: Science Policy
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology
subject: FOS: Biological sciences

description: This paper introduces Bayesian inference procedures for tangency portfolios, with a primary focus on deriving a new conjugate prior for portfolio weights. This approach not only enables direct inference about the weights but also seamlessly integrates additional information into the prior specification. Specifically, it automatically incorporates high-frequency returns and a market condition metric (MCM), exemplified by the CBOE Volatility Index (VIX) and Economic Policy Uncertainty Index (EPU), significantly enhancing the decision-making process for optimal portfolio construction. While the Jeffreys prior is also acknowledged, emphasis is placed on the advantages and practical applications of the conjugate prior. An extensive empirical study reveals that our method, leveraging this conjugate prior, consistently outperforms existing trading strategies in the majority of examined cases.
Biomimetic method for metallic nanostructured mesoscopic models fabrication
Creators: name: Strukov, Gennady
name: Strukova, Galina
Publisher: name: arXiv
Year: 2013
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Various metallic structures of complex shape, resembling natural objects such as plants, mushrooms, and seashells, were produced when growing nanowires by means of pulsed current electroplating in porous membranes. These structures occur as the result of nanowires self-assembling (biomimetics) if the electroplating is continued after the nanowires reach the membrane surface. By varying the membrane geometry and the pulsed current parameters, and alternating electroplating from two baths with different electrolytes, various models were fabricated, including a hollow container with wall thickness of 10-30 nm. The possibility of shape regulation for models was demonstrated: in certain conditions, mushroom- and shell-like convex-concave models of the same kind were obtained. The hierarchical structure of models at the nano-, micro- and mesoscopic levels is shown through fragmentation and chemical etching.
description: 2 pages, 2 figures
Three-dimensional numerical simulation of magnetohydrodynamic-gravity waves and vortices in the solar atmosphere
Creators: name: Murawski, K.
name: Ballai, I.
name: Srivastava, A. K.
name: Lee, D.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: With the adaptation of the FLASH code we simulate magnetohydrodynamic-gravity waves and vortices as well as their response in the magnetized three-dimensional (3D) solar atmosphere at different heights to understand the localized energy transport processes. In the solar atmosphere strongly structured by gravitational and magnetic forces, we launch a localized velocity pulse (in horizontal and vertical components) within a bottom layer of 3D solar atmosphere modelled by initial VAL-IIIC conditions, which triggers waves and vortices. The rotation direction of vortices depends on the orientation of an initial perturbation. The vertical driver generates magnetoacoustic-gravity waves which result in oscillations of the transition region, and it leads to the eddies with their symmetry axis oriented vertically. The horizontal pulse excites all magnetohydrodynamic-gravity waves and horizontally oriented eddies. These waves propagate upwards, penetrate the transition region, and enter the solar corona. In the high-beta plasma regions the magnetic field lines move with the plasma and the temporal evolution show that they swirl with eddies. We estimate the energy fluxes carried out by the waves in the magnetized solar atmosphere and conclude that such wave dynamics and vortices may be significant in transporting the energy to sufficiently balance the energy losses in the localized corona. Moreover, the structure of the transition region highly affects such energy transports, and causes the channelling of the propagating waves into the inner corona.
description: 11 Pages, 12 Figures, Accepted for the publication in MNRAS
INSON HAYOTI VA FAOLIYATINI OʻZGARTUVCHI ASOSIY OMILLAR
Creators: name: Zikirova, Saida
Publisher: name: Zenodo
Year: 2024

description: Maqolada insonning shaxslilik va xarakterologik xususiyatlarining barqarorligiga, emosiya va hissiyotning ijobiy (pozitiv), salbiy (negativ) xususiyat kasb etishiga asoslangan. shaxs imkoniyatlarini roʻyobga chiqishga koʻmaklashishga (oʻzini oʻzi kashf qilish, oʻziga oʻzi buyruq berish, oʻzini oʻzi takomillashtirish, oʻzini oʻzi baholash, oʻzini oʻzi nazorat qilish, oʻzini oʻzi boshqarish, oʻziga oʻzi taskin berish, oʻzini oʻzi qoʻlga olish haqida yo’l-yo’riqlari haqida so’z yuritilgan.
Equilibration of anisotropic quark-gluon plasma produced by decays of color flux tubes
Creators: name: Ryblewski, Radoslaw
name: Florkowski, Wojciech
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A set of kinetic equations is used to study equilibration of the anisotropic quark-gluon plasma produced by decays of color flux tubes possibly created at the very early stages of ultra-relativistic heavy-ion collisions. The decay rates of the initial color fields are given by the Schwinger formula, and the collision terms are treated in the relaxation-time approximation. By connecting the relaxation time with viscosity we are able to study production and thermalization processes in the plasma characterized by different values of the ratio of the shear viscosity to entropy density, eta/s. For the lowest (KSS) value of this ratio, 4 pi eta/s = 1, and realistic initial conditions for the fields, the system approaches the viscous-hydrodynamics regime within 1-2 fm/c. On the other hand, for larger values of the viscosity, 4 pi eta/s greater or equal to 3, the collisions in the plasma become inefficient to destroy collective phenomena which manifest themselves as oscillations of different plasma parameters. The presence of such oscillations brings in differences between the kinetic and hydrodynamic descriptions, which suggest that the viscous-hydrodynamics approach after 1-2 fm/c is not complete if 4 pi eta/s is greater or equal to 3 and should be extended to include dissipative phenomena connected with color conductivity.
description: 20 pages, 6 figures
Topological carbon allotropes: paradigm shift for materials innovation
Creators: name: Saito, Shinichi
name: Tomita, Isao
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Topology is a central concept of mathematics, which allows us to distinguish two isolated rings with linked ones. In material science, researchers discovered topologically different carbon allotropes in a form of a cage, a tube, and a sheet, which have unique translational and rotational symmetries, described by a crystallographic group theory, and the atoms are arranged at specific rigid positions in 3-dimensional ($D$) space. However, topological orders must be robust against deformations, so that we can make completely different families of topological materials. Here we propose various topological structures such as knots and links using covalent $σ$ bonds of carbon atoms, while allowing various topologically equivalent arrangements using weak $π$ bonds. By extending this idea, we invented a new 3D carbon allotrope, Hopfene, which has periodic arrays of Hopf-links to knit horizontal Graphene sheets into vertical ones without connecting by $σ$ bonds.
description: 19 pages, 14 figures
Myodocopida Sars 1866
Creators: name: Kornicker, Louis S.
name: Van, Barry W. M.
name: Bakel
name: Fraaije, René H. B.
name: Jagt, John W. M.
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Ostracoda
Myodocopida

description: Order Myodocopida Sars 1866   Composition
The Myodocopida include the suborders Myodocopina and Paleomyodocopina (Kornicker & Sohn 2000:3).
description: Published as part of Kornicker, Louis S., Van, Barry W. M., Bakel, Fraaije, René H. B. & Jagt, John W. M., 2006, Revision of Mesozoic Myodocopina (Ostracoda) and a new genus and species, Mesoleberis hollandica, from the Upper Cretaceous of Belgium and The Netherlands, pp. 15-54 in Zootaxa 1246 on page 20, DOI: 10.5281/zenodo.172935
A Twisted Quantum Toroidal Algebra
Creators: name: Jing, Naihuan
name: Liu, Rongjia
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics
subject: 17B65, 17B67, 17B69

description: As an analog of the quantum TKK algebra, a twisted quantum toroidal algebra of type A_1 is introduced. Explicit realization of the new quantum TKK algebra is constructed with the help of twisted quantum vertex operators over a Fock space.
description: 12 pages
Letter from William Powell Frith to Henry Keyworth Raine, May 26, 1896
Creators: name: Frith, William Powell, 1819-1909
Publisher: name: University of Victoria Libraries
Year: 2022
Subjects: subject: Painters
valueUri: http://id.worldcat.org/fast/1050530
subject: Artists--Family relationships
valueUri: http://id.worldcat.org/fast/817581
subject: Artists--Correspondence
valueUri: http://id.worldcat.org/fast/817571
subject: Families
valueUri: http://id.worldcat.org/fast/1728849
subject: Painters--Correspondence
valueUri: http://id.worldcat.org/fast/1050538
subject: Artists
valueUri: http://id.worldcat.org/fast/817559

description: Part of a collection of 21 letters sent by William Powell Frith to his great nephew Henry Keyworth Raine, dating from March 16, 1890 to March 29, 1908. William Powell Frith (1819-1909), painter of historical and genre works, including large canvases such as Derby Day (1858). “The Race for Wealth” comprises five paintings, all based around a fictional central character, a corrupt financier called The Spider, and all dealing with the theme of reckless financial speculation. Inspired by characters found in the novels of Charles Dickens and Anthony Trollope, The Spider persuades his victims to invest in dubious schemes. Often compared with Hogarth’s “The Rake’s Progress,” “The Race for Wealth” portrays The Spider’s initial success, his unmasking, his trial, and ends with his imprisonment. This letter discusses William sending his condolences to Henry's father passing away.
The 2-width of embedded 3-manifolds
Creators: name: Freedman, Michael
Publisher: name: arXiv
Year: 2019
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: We discuss a possible definition for "$k$-width" of both a closed $d$-manifold $M^d$, and on embedding $M^d \overset{e}{\hookrightarrow} \mathbb{R}^n$, $n > d \ge k$, generalizing the classical notion of width of a knot. We show that for every 3-manifold 2-width$(M^3) \le 2$ but that there are embeddings $e_i: T^3 \hookrightarrow \mathbb{R}^4$ with 2-width$(e_i) \to \infty$. We explain how the divergence of 2-width of embeddings offer a tool to which might prove the Goeritz groups $G_g$ infinitely generated for $g \geq 4$. Finally we construct a homeomorphism $θ_g: G_g \to \mathrm{MCG}(\underset{g}{\#} S^2 \times S^2)$, suggesting a potential application of 2-width to 4D mapping class groups.