cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Infinite compressibility states in the Hierarchical Reference Theory of fluids. II. Numerical evidence
Creators: name: Reiner, Albert
name: Kahl, Gerhard
Publisher: name: arXiv
Year: 2003
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Continuing our investigation into the Hierarchical Reference Theory of fluids for thermodynamic states of infinite isothermal compressibility kappa[T] we now turn to the available numerical evidence to elucidate the character of the partial differential equation: Of the three scenarios identified previously, only the assumption of the equations turning stiff when building up the divergence of kappa[T] allows for a satisfactory interpretation of the data. In addition to the asymptotic regime where the arguments of part I (cond-mat/0308467) directly apply, a similar mechanism is identified that gives rise to transient stiffness at intermediate cutoff for low enough temperature. Heuristic arguments point to a connection between the form of the Fourier transform of the perturbational part of the interaction potential and the cutoff where finite difference approximations of the differential equation cease to be applicable, and they highlight the rather special standing of the hard-core Yukawa potential as regards the severity of the computational difficulties.
description: J. Stat. Phys., in press. Minor changes to match published version
The Viability Of Rural Communities: Challenges for the 90's and Beyond
Creators: name: Debertin, David L.
name: Infanger, Craig L.
name: Goetz, Stephan J.
name: Debertin, David L.
name: Infanger, Craig L.
name: Goetz, Stephan J.
Publisher: name: Unknown
Year: 1991
Subjects: subject: Community/Rural/Urban Development
subject: Labor and Human Capital
subject: human capital
subject: brain drain
subject: economic development

description: The challenges associated with (back-) migration of people to rural communities in the 1990s are examined. It is argued that reducing the "brain drain" from rural areas through the creation of job opportunities for college-educated individuals, is central to an effective rural(community) development strategy. To survive, rural communities must increasingly provide incentives, services and opportunities to economic agents operating outside the agricultural sector.
Hypostomus weberi Carvalho 2010
Creators: name: De Oliveira, Rianne C.
name: Ota, Renata R.
name: Deprá, Gabriel C.
name: Zawadzki, Cláudio H.
name: Pavanelli, Carla S.
name: Da Graça, Weferson J.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Siluriformes
Loricariidae
Hypostomus
Hypostomus weberi

description: Hypostomus weberi Carvalho, Lima & Zawadzki, 2010: 45, fig. 3.
Paratype: 1 lot, 1 specimen —NUP 6344, 1, 156.6 mm SL: Brazil, Amazonas, rio Marauiá, near the mouth, “igapó” (= flooded forest), rio Negro basin, 0°24’S, 65°12’W, M. Goulding, 27 May 1979.
description: Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp. 1-43 in Zootaxa 5128 (1) on page 28, DOI: 10.11646/zootaxa.5128.1.1, http://zenodo.org/record/6479497
Model Colonies: A Transnational Study of Penitentiary Agricultural Colonies for Young Detainees in France, Russia, and the Soviet Union, 1839-1937
Creators: name: Anna-Christine Grant
Publisher: name: Carnegie Mellon University
Year: 2019
Subjects: History

description: In the first half of the nineteenth century, influenced by Enlightenment ideas of childhood as a time of essential innocence, reformers began to develop specialised institutions for juvenile detainees. Founded in France’s Loire Valley near Tours in 1839, the colony of Mettray became the best-known example of an enduring model for such institutions: the penitentiary agricultural colony. Inspired by the conviction that criminal children and youth could be rehabilitated into honest society, Mettray’s leaders created a system that relied not only on vigilant discipline, but on snatching children from unhealthy slums and dens of
urban vice to settle them in a rural environment, dividing them into fictive families headed by caring and cultured supervisory staff. The model was widely imitated in France and beyond. In 1871, reformers in St Petersburg, inspired by the Mettray model, created the first Russian penitentiary agricultural colony for juvenile detainees. Examining Mettray and the St Petersburg colony together, and explaining their similarities and differences, illuminates the kinds of
transnational flows and exchanges of expertise, information, and institutional models in which nineteenth-century reformers participated, and their impact on incarcerated boys. After the Russian Revolution of 1917, Soviet educators rejected bourgeois institutional models, but found themselves faced with a massive wave of orphaned and displaced children. Ukrainian educator Anton Makarenko
created penitentiary agricultural colonies imbued with Bolshevik ideology and founded on the primacy of the collective. My dissertation examines these three case studies, identifying internal and external factors that caused an initially ambitious rehabilitative model to give way to a more repressive one. Internal factors included the departure of charismatic leaders and the lack of adequate funding. A shift towards conservative and authoritarian political culture in Russia in the 1880s and the USSR in the 1930s also influenced the colonies’ move towards more repressive regimes. The dissertation pays particular attention to the
colonies’ supervisory staff, arguing that at Mettray and St Petersburg, replacing specially trained young men with retired military men or police doomed the rehabilitative model, and that this was the result of leaders’ reluctance to
recognise employees’ affective labour as compatible with financial reward.
The Column Density Distribution Function at z=0 from HI Selected Galaxies
Creators: name: Ryan-Weber, Emma
name: Webster, Rachel
name: Staveley-Smith, Lister
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have measured the column density distribution function, f(N), at z=0 using 21-cm HI emission from galaxies selected from a blind HI survey. f(N) is found to be smaller and flatter at z=0 than indicated by high-redshift measurements of Damped Lyman-alpha (DLA) systems, consistent with the predictions of hierarchical galaxy formation. The derived DLA number density per unit redshift, dn/dz =0.058, is in moderate agreement with values calculated from low-redshift QSO absorption line studies. We use two different methods to determine the types of galaxies which contribute most to the DLA cross-section: comparing the power law slope of f(N) to theoretical predictions and analysing contributions to dn/dz. We find that comparison of the power law slope cannot rule out spiral discs as the dominant galaxy type responsible for DLA systems. Analysis of dn/dz however, is much more discriminating. We find that galaxies with log M_HI < 9.0 make up 34% of dn/dz; Irregular and Magellanic types contribute 25%; galaxies with surface brightness > 24 mag arcsec^{-2} account for 22% and sub-L* galaxies contribute 45% to dn/dz. We conclude that a large range of galaxy types give rise to DLA systems, not just large spiral galaxies as previously speculated.
description: 13 pages, low resolution figures in the appendix, MNRAS accepted
The Future Costs of Nuclear Power Using Multiple Expert Elicitations: Effects of RD&D and Elicitation Design
Creators: name: Diaz Anadon, Laura
name: Nemet, Gregory
name: Verdolini, Elena
name: Diaz Anadon, Laura
name: Nemet, Gregory
name: Verdolini, Elena
Publisher: name: Unknown
Year: 2013
Subjects: subject: Research and Development/Tech Change/Emerging Technologies
subject: Nuclear Power
subject: Uncertainty
subject: Returns to RD&D
subject: Expert Elicitations
subject: Meta-Analysis

description: Characterizing the anticipated performance of energy technologies to inform policy decisions increasingly relies on expert elicitation. Knowledge about how elicitation design factors impact the probabilistic estimates emerging from these studies is however scarce. We focus on nuclear power, a large-scale low-carbon power option, for which future cost estimates are important to designing energy policies and climate change mitigation efforts. We use data from three elicitations in the USA and in Europe and assess the role of government Research, Development, and Demonstration (RD&D) investments on expected nuclear costs in 2030. We show that controlling for expert, technology, and design characteristics increases experts’ implied public RD&D elasticity of expected costs by 25%. Public sector and industry experts’ costs expectations are 14% and 32% higher, respectively than academics. US experts are more optimistic than their EU counterparts, with median expected costs 22% lower. On average, a doubling of public RD&D is expected to result in an 8% cost reduction, but uncertainty is large. The difference between the 90th and 10th percentile estimates is on average 58% of the experts’ median estimates. Public RD&D investments do not affect uncertainty ranges, but US experts’ are less confident about costs than Europeans.
Threshold Effects in Heavy Quarkonium Spectroscopy and Decays
Creators: name: Ferretti, J.
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The possible importance of threshold effects in heavy quarkonium spectroscopy is discussed. The starting point is the calculation of the spectrum of heavy quarkonium-like states with self-energy/threshold corrections. Two different approaches are compared: I) The Unquenched Quark Model (UQM); II) A novel coupled-channel model, based on the UQM formalism. The latter provides a possible solution to the long-standing problem of convergence in UQM calculations; it also makes it possible to distinguish between states which are almost pure quarkonia and exotic states, characterized by non-negligible threshold (or continuum) components in their wave functions. The UQM-based coupled-channel model is used to study the $χ_{\rm c}(2P)$ and $χ_{\rm b}(3P)$ multiplets: $χ_{\rm c}(2P)$'s are described as charmonium-like states with non-negligible molecular-type components in their wave functions, $χ_{\rm b}(3P)$'s as almost pure bottomonia. Other possible applications of the UQM and the UQM-based coupled-channel model formalisms to the calculation of other observables, like the strong decay amplitudes, are also discussed.
description: Proceedings of the "15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon, MENU-2019", Cohon University Center, Carnegie Mellon University, Pittsburgh Pennsylvania, June 2-7 2019
Hypostomus yaku Martins, Langeani & Zawadzki 2014
Creators: name: De Oliveira, Rianne C.
name: Ota, Renata R.
name: Deprá, Gabriel C.
name: Zawadzki, Cláudio H.
name: Pavanelli, Carla S.
name: Da Graça, Weferson J.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Siluriformes
Loricariidae
Hypostomus
Hypostomus yaku

description: Hypostomus yaku Martins, Langeani & Zawadzki, 2014: 731, fig. 1.
Paratypes: 1 lot, 6 specimens —NUP 15348, 6, 29.8–58.1 mm SL (41.3–58.1 mm SL): Brazil, Goiás, Rio Quente, tributary of rio Piracanjuba, rio Quente basin, near water treatment station, rio Paranaíba drainage, upper rio Paraná basin, 17°46’32”S, 48°45’56”W, 618 meters a.s.l., F. Langeani, F. R. Carvalho & F.O. Martins, 7 Mar 2012.
description: Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp. 1-43 in Zootaxa 5128 (1) on page 29, DOI: 10.11646/zootaxa.5128.1.1, http://zenodo.org/record/6479497
Principles of Transparency and Best Practice in Scholarly Publishing.pdf
Creators: name: Egea, Juan Antonio Lloret
Publisher: name: figshare
Year: 2019
Subjects: subject: Applied Computer Science
subject: Artificial Intelligence and Image Processing
subject: FOS: Computer and information sciences
subject: 80102 Artificial Life
subject: 80301 Bioinformatics Software
subject: 80602 Computer-Human Interaction
subject: FOS: Psychology
subject: 80308 Programming Languages
subject: 80109 Pattern Recognition and Data Mining
subject: 80111 Virtual Reality and Related Simulation

description: 🇬🇧 Principles of transparency and best practices in our academic publications of the book The States of Artificial Intelligence (AI). ISSN 2695-3803
🇪🇸 Principios de transparencia y mejores prácticas en nuestras publicaciones académicas del libro Los estados de la inteligencia artificial (IA). ISSN 2695-3803
Peckoltia feldbergae de Oliveira, Rapp Py-Daniel, Zuanon 2012
Creators: name: De Oliveira, Rianne C.
name: Ota, Renata R.
name: Deprá, Gabriel C.
name: Zawadzki, Cláudio H.
name: Pavanelli, Carla S.
name: Da Graça, Weferson J.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Siluriformes
Loricariidae
Peckoltia
Peckoltia feldbergae

description: Peckoltia feldbergae de Oliveira, Rapp Py-Daniel, Zuanon & Rocha, 2012: 549, fig 2.
Paratype: 1 lot, 1 specimen —NUP 12347, 1, 75.8 mm SL: Brazil, Pará, Altamira, Costa Junior, rio Xingu, 03°29’28”S, 052°19’07”W, J. Zuanon, 11 Oct 1996.
Remarks: Valid as Ancistomus feldbergae (de Oliveira, Rapp Py-Daniel, Zuanon& Rocha 2012)(see Armbruster et al., 2015).
description: Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp. 1-43 in Zootaxa 5128 (1) on page 29, DOI: 10.11646/zootaxa.5128.1.1, http://zenodo.org/record/6479497
Holographic Weyl Entropy Bounds
Creators: name: Chamblin, Andrew
name: Erlich, Joshua
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider the entropy bounds recently conjectured by Fischler, Susskind and Bousso, and proven in certain cases by Flanagan, Marolf and Wald (FMW). One of the FMW derivations supposes a covariant form of the Bekenstein entropy bound, the consequences of which we explore. The derivation also suggests that the entropy contained in a vacuum spacetime, e.g. Schwarzschild, is related to the shear on congruences of null rays. We find evidence for this intuition, but in a surprising way. We compare the covariant entropy bound to certain earlier discussions of black hole entropy, and comment on the separate roles of quantum mechanics and gravity in the entropy bound.
description: 14 pages, LaTeX, 3 eps figures
The interplay of electron-photon and cavity-environment coupling on the electron transport through a quantum dot system
Creators: name: Abdullah, Nzar Rauf
name: Tang, Chi-Shung
name: Manolescu, Andrei
name: Gudmundsson, Vidar
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We theoretically investigate the characteristics of the electron transport through a two-dimensionala quantum dot system in the $xy$-plane coupled to a photon cavity and a photon reservoir, the environment. The electron-photon coupling, $g_γ$, and the cavity-reservoir coupling, $κ$, are tuned to study the system in the weak, $g_γ \leq κ$, and the strong coupling regime, $g_γ > κ$. An enhancement of current is both seen with increasing $g_γ$ and $κ$ in the weak coupling regime for both $x$- and $y$-polarization of the photon field. This is a direct consequence of the Purcell effect. The current enhancement is due to the contribution of the photon replica states to the electron transport in which intraband transitions play an important role. The properties of the electron transport are drastically changed in the strong coupling regime with an $x$-polarized photon field in which the current is suppressed with increasing $g_γ$, but it is still increasing with $κ$. This behavior of the current is related to the population of purely electronic states and depopulation of photon replica states.
description: RevTeX, 7 pages with 6 included eps figures
Gravitational Binding, Virialization and the Peculiar Velocity Distribution of the Galaxies
Creators: name: Leong, Bernard
name: Saslaw, William
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We examine the peculiar velocity distribution function of galaxies in cosmological many-body gravitational clustering. Our statistical mechanical approach derives a previous basic assumption and generalizes earlier results to galaxies with haloes. Comparison with the observed peculiar velocity distributions indicates that individual massive galaxies are usually surrounded by their own haloes, rather than being embedded in common haloes. We then derive the density of energy states, giving the probability that a randomly chosen configuration of N galaxies in space is bound and virialized. Gravitational clustering is very efficient. The results agree well with the observed probabilities for finding nearby groups containing N galaxies. A consequence is that our local relatively low mass group is quite typical, and the observed small departures from the local Hubble flow beyond our group are highly probable.
description: Paper in aastex 5.0 format and 9 figures. Replace a new version with figures and typos corrected
Coupled Sublattice Melting and Charge-Order Transition in Two Dimensions
Creators: name: Smith, Tyler S.
name: Ming, Fangfei
name: Trabada, Daniel González
name: González, César
name: Soler-Polo, Diego
name: Flores, Fernando
name: Ortega, José
name: Weitering, Hanno H.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Two-dimensional melting is one of the most fascinating and poorly understood phase transitions in nature. Theoretical investigations often point to a two-step melting scenario involving unbinding of topological defects at two distinct temperatures. Here we report on a novel melting transition of a charge-ordered K-Sn alloy monolayer on a silicon substrate. Melting starts with short-range positional fluctuations in the K sublattice while maintaining long-range order, followed by longer-range K diffusion over small domains, and ultimately resulting in a molten sublattice. Concomitantly, the charge-order of the Sn host lattice collapses in a multi-step process with both displacive and order-disorder transition characteristics. Our combined experimental and theoretical analysis provides a rare insight into the atomistic processes of a multi-step melting transition of a two-dimensional materials system.
description: 13 pages, 5 figures
Rural Education and The Kentucky Education Reform Act of 1990: Funding And Implementation Issues
Creators: name: Goetz, Stephan J.
name: Debertin, David L.
name: Goetz, Stephan J.
name: Debertin, David L.
Publisher: name: Unknown
Year: 1991
Subjects: subject: Labor and Human Capital
subject: Political Economy
subject: educational economics
subject: educational reform
subject: Kentucky education act

description: After discussing basic principles of school funding, and comparing selected school finance indicators in southeastern states, this paper examines how schools districts are financed in Kentucky. Emphasis is given to issues of funding adequacy, efficiency and equity, which together led to the lawsuit culminating in the recent Education Reform Act. Changes in the minimum foundation and percent equalization formulae by which State school aid is distributed are discussed in detail. Estimated per pupil school revenue data for the 1989-90 and 1990-91 years are analyzed to determine how funding inequality changed. In the aggregate, per pupil revenues across county school districts (i) have been raised without exception; (ii) have become less variable as measured by a reduced standard deviation and; (iii) become less dependent on locally raised taxes. Nevertheless, there are differences among metro and non-metro areas as demonstrated by an analysis using a variety of measures of inequality including (among others) coefficients of variation, relative mean deviation, Gini coefficients and Theil indices. Most importantly, perhaps, increases in funds have been directed primarily towards eastern Kentucky, where a high proportion of pupils live under "economically deprived" conditions. The reason for this result is obvious when the new funding formula is examined.
Feature Extraction of the T Peak and Its Analysis
Creators: name: Mayapur, Priyanka
Publisher: name: figshare
Year: 2019
Subjects: subject: 90302 Biomechanical Engineering
subject: FOS: Medical engineering
subject: 90399 Biomedical Engineering not elsewhere classified
subject: 90699 Electrical and Electronic Engineering not elsewhere classified
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 99999 Engineering not elsewhere classified
subject: FOS: Other engineering and technologies
subject: 99902 Engineering Instrumentation
subject: 90304 Medical Devices

description: An Electrocardiogram (ECG) is a graphical representation of the electrical signals generated during the heart activity. Analysis of ECG by identifying the various features and traits could help us detect the various cardiac peculiarities, thus providing valuable information about the activity of the human heart. Automatic classification of ECG has evolved as an emerging tool in medical diagnosis for effective treatments. A basic algorithm has been defined in this paper in order to detect the T peaks and its related features. Also, the work proposed in this paper reviews and summarizes the various techniques used by researchers in order to detect and delineate T waves (peaks). ECG signals in this work are collected from MIT-BIH database and it has been implemented using MATLAB routine. Lead-II ECG signals were used in processing of data.
Strain tunable pudding-mold-type band structure and thermoelectric properties of SnP$_3$ monolayer
Creators: name: Wei, Shasha
name: Wang, Cong
name: Gao, Guoying
Publisher: name: arXiv
Year: 2019
Subjects: subject: Computational Physics (physics.comp-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Recent studies indicated the interesting metal-to-semiconductor transition when layered bulk GeP3 and SnP3 are restricted to the monolayer or bilayer, and SnP3 monolayer has been predicted to possess high carrier mobility and promising thermoelectric performance. Here, we investigate the biaxial strain effect on the electronic and thermoelectric properties of SnP3 monolayer. Our first-principles calculations combined with Boltzmann transport theory indicate that SnP3 monolayer has the pudding-mold-type valence band structure, giving rise to a large p-type Seebeck coefficient and a high p-type power factor. The compressive biaxial strain can decrease the energy gap and result in the metallicity. In contrast, the tensile biaxial strain increases the energy gap, and increases the n-type Seebeck coefficient and decreases the n-type electrical conductivity. Although the lattice thermal conductivity becomes larger at a tensile biaxial strain due to the increased maximum frequency of the acoustic phonon modes and the increased phonon group velocity, it is still low, only e.g. 3.1 W/(mK) at room temperature with the 6% tensile biaxial strain. Therefore, SnP3 monolayer is a good thermoelectric material with low lattice thermal conductivity even at the 6% tensile strain, and the tensile strain is beneficial to the increase of the n-type Seebeck coefficient.
description: 16 pages, 6 figures. Submitted to J. Phys.: Condens. Matter
Pseudolithoxus kinja Bifi, de Oliveira, Rapp Py-Daniel & Collins 2018
Creators: name: De Oliveira, Rianne C.
name: Ota, Renata R.
name: Deprá, Gabriel C.
name: Zawadzki, Cláudio H.
name: Pavanelli, Carla S.
name: Da Graça, Weferson J.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Siluriformes
Loricariidae
Pseudolithoxus
Pseudolithoxus kinja

description: Pseudolithoxus kinja Bifi, de Oliveira, Rapp Py-Daniel & Collins, 2018 in Collins et al. (2018): 5, fig. 1.
Paratype: 1 lot, 1 specimen —NUP 18761, 1, 98.3 mm SL: Brazil, Amazonas, Nhamunda, rio Nhamunda, acima da cidade de Nhamunda, abaixo da lagoa Sete Ilhas, 0°43’04”S, 57°22’07”W, V.N. Machado, E.D. Ribeiro & R. A. Collins, 6 Nov 2013.
description: Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp. 1-43 in Zootaxa 5128 (1) on page 29, DOI: 10.11646/zootaxa.5128.1.1, http://zenodo.org/record/6479497
Switchable phonon diodes using nonlinear topological Maxwell lattices
Creators: name: Zhou, Di
name: Ma, Jihong
name: Sun, Kai
name: Gonella, Stefano
name: Mao, Xiaoming
Publisher: name: arXiv
Year: 2019
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Recent progress in topological mechanics have revealed a family of Maxwell lattices that exhibit topologically protected floppy edge modes. These modes lead to a strongly asymmetric elastic wave response. In this paper, we show how topological Maxwell lattices can be used to realize non-reciprocal transmission of elastic waves. Our design leverages the asymmetry associated with the availability of topological floppy edge modes and the geometric nonlinearity built in the mechanical systems response to achieve the desired non-reciprocal behavior, which can be further turned into strongly one-way phonon transport via the addition of on-site pinning potentials. Moreover, we show that the non-reciprocal wave transmission can be switched on and off via topological phase transitions, paving the way to the design of cellular metamaterials that can serve as tunable topologically protected phonon diodes.
description: 13 pages, 4 figures
Single- and Multi-Dimensional Theil Inequality Measures: An Application to Farm Households
Creators: name: Goetz, Stephan J.
name: Goetz, Stephan J.
Publisher: name: Unknown
Year: 1991
Subjects: subject: Community/Rural/Urban Development
subject: Consumer/Household Economics
subject: Labor and Human Capital
subject: Theil inequality
subject: farm households

description: Earlier analyses of farm-level inequality are extended by incorporating measures of inequality between groups of farmers and multiple attributes, including years of education. Single- and multi-dimensional inequality declined between 1985 and 1989. A sharp decrease occurred in inequality among gross farm sales between full- and part-time farmers.
Brane inflation and reheating
Creators: name: Brodie, John H.
name: Easson, Damien A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study inflation and reheating in a brane world model derived from Type IIA string theory. This particular setup is based on a model of string mediated supersymmetry breaking. The inflaton is one of the transverse scalars of a D4-brane which has one of its spatial dimensions stretched between two NS5-branes, so that it is effectively three-dimensional. This D4-brane is attracted to a D6-brane that is separated from the 5-branes by a fixed amount. The potential of the transverse scalar due to the D4/D6 interaction makes a good inflaton potential. As the D4-brane slides along the two 5-branes towards the 6-brane it begins to oscillate near the minimum of the potential. The inflaton field couples to the massless Standard Model fields through Yukawa couplings. In the brane picture these couplings are introduced by having another D6'-brane intersect the D4-brane such that the 4-6' strings, whose lowest lying modes are the Standard Model matter, couple to the scalar mode of the 4-4 strings, the inflaton. The inflaton can decay into scalar and spinor particles on the 4-6' strings, reheating the universe. Observational data is used to place constraints on the parameters of the model.
description: 16 pages, 4 figures; reheating discussion modified; references added; to appear in JCAP
Aphanotorulus rubrocauda Oliveira, Rapp Py-Daniel & Zawadzki 2017
Creators: name: De Oliveira, Rianne C.
name: Ota, Renata R.
name: Deprá, Gabriel C.
name: Zawadzki, Cláudio H.
name: Pavanelli, Carla S.
name: Da Graça, Weferson J.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Siluriformes
Loricariidae
Aphanotorulus
Aphanotorulus rubrocauda

description: Aphanotorulus rubrocauda Oliveira, Rapp Py-Daniel & Zawadzki, 2017: e160034[3], fig. 1.
Paratypes: 2 lots, 10 specimens —NUP 7458, 4, 125.3– 215.5 mm SL; NUP 7785, 6, 158.5– 234.5 mm SL: Brazil, Mato Grosso, Aripuanã, unnamed small stream, tributary of igarapé Guaribal, rio Aripuanã basin, 10°06’35”S, 59°26’12”W, I. M. Fernandes, 19 May 2008.
description: Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp. 1-43 in Zootaxa 5128 (1) on page 29, DOI: 10.11646/zootaxa.5128.1.1, http://zenodo.org/record/6479497
Cosmological Aspects of Rolling Tachyon
Creators: name: Sami, M.
name: Chingangbam, Pravabati
name: Qureshi, Tabish
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We examine the possibility of rolling tachyon to play the dual roll of inflaton at early epochs and dark matter at late times. We argue that enough inflation can be generated with the rolling tachyon either by invoking the large number of branes or brane world assisted inflation. However, reheating is problematic in this model.
description: RevTeX 4 pages, Talk delivered in PASCOS held at TIFR (Mumbai) from 3rd Jan to 9th Jan. To appear in the proceedings of PASCOS to be published in a special issue of Pramana
Processing Different Format Waveforms Across Various Databases Using Matlab
Creators: name: Mayapur, Priyanka
Publisher: name: figshare
Year: 2019
Subjects: subject: 90399 Biomedical Engineering not elsewhere classified
subject: FOS: Medical engineering
subject: 90303 Biomedical Instrumentation
subject: Computer Engineering
subject: 90699 Electrical and Electronic Engineering not elsewhere classified
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 99902 Engineering Instrumentation
subject: FOS: Other engineering and technologies
subject: 99999 Engineering not elsewhere classified
subject: 90304 Medical Devices

description: Signal Processing could be stated as a science that enhances our ability to communicate, understand and share the data, thus helping us extract this information for effective studies. Not being able to access a comprehensible format data could turn out to be the breaking point for a key factor or a principal research. This following paper proposes specific algorithms or rather techniques on how to convert such incomprehensive data into a comprehensive fact using four different formats with an accuracy of 99.99%. One such signal chosen for reference here is Electrocardiogram (ECG) and the plotting and processing have been implemented using MATLAB. We have specifically chosen Lead-II ECG Configuration for our research work. This technique is applicable for any real-time general waveform that exists in these specific formats as discussed in the paper.
Projection pursuit based on Gaussian mixtures and evolutionary algorithms
Creators: name: Scrucca, Luca
name: Serafini, Alessio
Publisher: name: arXiv
Year: 2019
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: Neural and Evolutionary Computing (cs.NE)
subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: We propose a projection pursuit (PP) algorithm based on Gaussian mixture models (GMMs). The negentropy obtained from a multivariate density estimated by GMMs is adopted as the PP index to be maximised. For a fixed dimension of the projection subspace, the GMM-based density estimation is projected onto that subspace, where an approximation of the negentropy for Gaussian mixtures is computed. Then, Genetic Algorithms (GAs) are used to find the optimal, orthogonal projection basis by maximising the former approximation. We show that this semi-parametric approach to PP is flexible and allows highly informative structures to be detected, by projecting multivariate datasets onto a subspace, where the data can be feasibly visualised. The performance of the proposed approach is shown on both artificial and real datasets.
DNA-barcode and endophallus morphology delimit congruent species in a systematic revision of the oxyporine rove beetles of Russia (Coleoptera: Staphylinidae: Oxyporinae)
Creators: name: Tokareva, Alexandra S.
name: Konstantinov, Fedor V.
name: Brunke, Adam J.
name: Solodovnikov, Alexey
Publisher: name: Brill Online
Year: 2021
Subjects: subject: 60206 Palaeoecology
subject: FOS: Biological sciences

description: Rigorous species delimitation is a challenge in biology and systematics in particular. In insects, male genitalia traditionally, and the barcoding region of the CO1 gene recently, are the main markers to identify species, even though a standalone use of CO1 for that is often criticized. In our systematic revision of the mycophagous and in other ways peculiar oxyporine rove beetles of Russia, the legacy alpha-taxonomy could not be improved by traditional investigation of genitalia as they are unusually character-poor in this group. Using phylogenetic inference and ancestral state reconstruction, we demonstrate that CO1 and endophallus are useful markers for species delimitation in Oxyporus. We also show that many morphological traits previously used for species delimitation in Oxyporus are in fact highly variable and thus inconsistent. We hypothesize that in Oxyporus diversification of the endophallic structures is driven by intense intra- and inter-species interactions of multiple individuals co-occurring in narrow spaces inside fungal bodies during mating. Our results encourage broader use of both markers, especially easy-to-generate DNA barcodes, for the desired alpha-taxonomical work in Oxyporinae globally. The revision revealed 10 species of Oxyporus in the fauna of the Russian Federation; eliminated erroneous species records; established two new synonyms, Oxyporus (Oxyporus) basicornis Cameron, 1930 = O. (O.) aequicollis Bernhauer, 1935, syn.nov. = O. (O.) parvus Lee et al., 2020, syn. nov.; and raised the hypothesis that O. (O.) aokii Dvořák, 1956, O. (O.) basiventris Jarrige, 1948 and O. (O.) kobayashii Hayashi, 2015 are conspecific with O. (O.) maxillosus Fabricius, 1793. Lectotypes are designated for O. (O.) basicornis Cameron, 1930, O. (O.) germanus Sharp, 1889, O. (O.) niger Sharp, 1889, and O. (O.) triangulus Sharp, 1889. Comprehensive taxonomic treatment and an identification key are provided for all species.
A Quantile Regression Approach to Analyzing Quality-Differentiated Agricultural Markets
Creators: name: Bekkerman, Anton
name: Brester, Gary W.
name: Bekkerman, Anton
name: Brester, Gary W.
Publisher: name: Unknown
Year: 2011
Subjects: Agricultural marketing

description: Hedonic models are commonly used to quantify the value of characteristics implicit in a product’s price. However, when products are heterogenous across quality levels, using traditional parametric methods for estimating characteristic values may provide poor inferences about quality effects. We propose using a quantile regression framework for estimating the value of characteristics in quality-differentiated products. Semi-parametric quantile regressions allow the data to flexibly identify and estimate quality effects across a conditional price distribution. Using purchase price data from a bull auction, we show complementary non-linear relationships exist between quality and bull carcass and growth traits. Improved precision in understanding consumer valuation of product characteristics across quality market segments can help producers tailor products for each segment.
Non-Unitary Spin-Charge Separation in One-Dimensional Fermion Gas
Creators: name: Cheianov, Vadim V.
name: Zvonarev, M. B.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: In this Letter we report exact results on the infrared asymptotics of one-particle dynamical correlation function of the gas of impenetrable spin 1/2 fermions at infinitesimal temperature. The correlation function shows signs of spin-charge separation with scaling behavior in the charge part and exponential decay as a function of the space coordinate in the spin part. Surprisingly, the anomalous dimensions in the charge part do not correspond to any unitary conformal field theory. We find that the fermion spectral weight has a power law divergency at low energy with the anomalous exponent $-1/2.$
description: 4 pages, no figures
Cambeva cauim Reis, Ferrer & da Graca 2021
Creators: name: De Oliveira, Rianne C.
name: Ota, Renata R.
name: Deprá, Gabriel C.
name: Zawadzki, Cláudio H.
name: Pavanelli, Carla S.
name: Da Graça, Weferson J.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Siluriformes
Trichomycteridae
Cambeva
Cambeva cauim

description: Cambeva cauim Reis, Ferrer & da Graça, 2021: 281, fig. 1.
Holotype (Fig. 12): NUP 22756, 1, 89.6 mm SL, Brazil, Paraná, Cruz Machado, unnamed stream, tributary to the rio da Areia, lower rio Iguaçu basin, rio Paraná system, 25°56’48”S, 51°23’45”W, W.J. da Graça, W.M. Domingues, F.A. Teixeira & R. J. da Graça, 24 Jan 2014.
Paratypes: 5 lots, 32 specimens —NUP 2416, 19 (2 c&s, 54.4–89.0 mm SL), 20.0– 97.4 mm SL: Brazil, Paraná, Reserva do Iguaçu, córrego Verde, lower rio Iguaçu basin, rio Paraná system, 25°57’56”S, 51°56’59”W, Nupélia staff, 15 Mar 1993. NUP 15709, 6, 50.3–72.2 mm SL: Brazil, Paraná, Cruz Machado, unnamed stream, tributary to the rio da Areia, lower rio Iguaçu basin, rio Paraná system, 25°56’48”S, 51°23’45”W, W. J. da Graça, W.M. Domingues, F.A. Teixeira & R. J. da Graça, 24 Jan 2014. NUP 22755, 2, 68.3–79.3 mm SL: Brazil, Paraná, Cruz Machado, unnamed stream, tributary to the rio da Areia, lower rio Iguaçu basin, rio Paraná system, 25°56’48”S, 51°23’45”W, W.J. da Graça, W.M. Domingues, F.A. Teixeira & R. J. da Graça, 24 Jan 2014. NUP 22758, 4, 10.3–38.4 mm SL: Brazil, Paraná, Reserva do Iguaçu, córrego São Pedro, lower rio Iguaçu basin, rio Paraná system, 25°58’52”S, 51°48’50”W, Nupélia staff, 15 Mar 1993. NUP 22759, 1, 30.4 mm SL: Brazil, Paraná, Coronel Domingo Soares, Rio Butiá, lower rio Iguaçu basin, rio Paraná system, 25°59’19”S, 52°04’40”W, Nupélia staff, 15 Mar 1993.
Remarks: The locality from the lots NUP 2416, NUP 22758 and NUP 22759 were incorrectly stated as Mangueirinha in the original description.
description: Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp. 1-43 in Zootaxa 5128 (1) on page 29, DOI: 10.11646/zootaxa.5128.1.1, http://zenodo.org/record/6479497
Nonsingular Cosmologies from Branes
Creators: name: Biswas, Anindya
name: Mukherji, Sudipta
name: Pal, Shesansu Sekhar
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We analyse possible cosmological scenarios on a brane where the brane acts as a dynamical boundary of various black holes with anti-de Sitter or de Sitter asymptotics. In many cases, the brane is found to describe completely non-singular universe. In some cases, quantum gravity era of the brane-universe can also be avoided by properly tuning bulk parameters. We further discuss the creation of a brane-universe by studying its wave function. This is done by employing Wheeler-De Witt equation in the mini superspace formalism.
description: 20 pages, 6 figures, Latex, references added. Journal version
Perturbative and non-perturbative aspects of heavy-quark fragmentation
Creators: name: Gardi, Einan
name: Cacciari, Matteo
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We describe a new approach to heavy-quark fragmentation which is based on a resummed perturbative calculation and parametrization of power corrections, concentrating on the z -> 1 limit, where the heavy meson carries a large fraction of the momentum of the initial quark. It is shown that the leading power corrections in this region are controlled by the scale m(1-z). Renormalon analysis is then used to extend the perturbative treatment of soft and collinear radiation to the non-perturbative regime. Theoretical predictions are confronted with data on B-meson production in e+e- annihilation.
description: Invited talk (E.G.) at the International Europhysics Conference on High Energy Physics of the European Physical Society, July 2003, Aachen, Germany; 6 pages, 6 postscript figures
Stilobezzia (Acanthohelea)
Creators: name: William L. Grogan, Jr.
name: Spinelli
name: Ronderos, María M.
name: Carla
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Ceratopogonidae
Stilobezzia

description: Stilobezzia (Acanthohelea) sp.
 Discussion. We examined a single small, pale yellowish brown female from Guadeloupe that belongs to the subgenus Acanthohelea Kieffer. The head is brown with dark brown flagellomeres, and the eyes are very narrowly separated. The thorax is yellowish brown with pale humeral areas, the scutellum has 4 stout setae and the legs are pale yellowish; the wing membrane is slightly infuscated with abundant macrotrichia on distal portions of cells r 3 and m 1. The abdomen is yellowish brown and it has two partially collapsed spermathecae with short broad necks. However, because males in the genus Stilobezzia often possess important specific characters in their genitalia, we are reluctant to name this species.
 Specimen examined. Guadeloupe, Basse Terre, Bois Malher, 9-IX-2011, MC Thomas & RH Turnbow, Blacklight trap, 1 female.
description: Published as part of William L. Grogan, Jr., Spinelli, Ronderos, María M. & Carla, 2013, The biting and predaceous midges of Guadeloupe Diptera: Ceratopogonidae). I. Species of the subfamily Ceratopogoninae, pp. 1-21 in Insecta Mundi 2013 (324) on page 10, DOI: 10.5281/zenodo.5178313
Testing the Performance of Multiproduct Optimal Hedging with Time-Varying Correlations in Storable and Non-storable Commodities
Creators: name: Tejeda, Hernan A.
name: Goodwin, Barry K.
name: Tejeda, Hernan A.
name: Goodwin, Barry K.
Publisher: name: Unknown
Year: 2011
Subjects: Agricultural marketing

description: Recent steady growth in the volatility of commodity markets, and the increasing need for proper risk management tools in production settings that make use of inputs and outputs in futures markets, may be addressed via multiproduct hedging. This study determines and contrasts the effectiveness of multiproduct optimal hedging – that incorporate time-varying correlations – between storable and non-storable commodity settings, especially during recent periods of increased volatility. A soybean complex is considered for storable production-related commodities, and a feedlot operator is considered for non-storable production-related commodities. br br Multiproduct optimal time-varying hedge ratios are determined via a multivariate state dependent model of regime switching dynamic correlations. This model estimates time-varying correlations for multiple series in different correlation regimes (i.e., the conditional correlations matrix is not constant in this model). Two correlation regimes are estimated for the time periods considered, for both storable and non-storable production settings. More importantly, significant improvement of multiproduct hedging is determined for the storable commodity setting – soybean complex- over simple hedging strategies with time-varying correlations and the naïve strategy (1:1 hedge ratio). However, there is no significant improvement found for the nonstorable commodity setting – feedlot operator – over simple hedging strategies with time-varying corroborated using two different data sets for cash prices of feeder and live cattle.
Conservation of the Flux of Energy in Extra-Galactic Jets
Creators: name: Zaninetti, Lorenzo
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The conservation of the energy flux in turbulent jets that propagate in the intergalactic medium (IGM) allows us to deduce the law of motion in the classical and relativistic cases. Four types of IGM are considered: constant density, hyperbolic decrease of density, inverse power law decrease of density and a Lane--Emden ($n=5$) profile. The conservation of the relativistic flux for the energy allows us to derive, to the first order, an analytical expression for the velocity. It also allows us to numerically determine the trajectory for the four types of medium. In the case of a Lane--Emden ($n=5$) profile, the back-reaction due to the radiative losses for the trajectory is evaluated both in the classical and the relativistic case. Astrophysical applications are made to the centerline intensity of the synchrotron emission and to the evolution of the magnetic field in the case of the radio-galaxy 3C31.
description: 35 Pages and 15 low quality figures. arXiv admin note: substantial text overlap with arXiv:1601.02423, arXiv:1812.04972