cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
On the redshift cut-off for flat-spectrum radio sources
Creators: name: Jarvis, Matt J.
name: Rawlings, Steve
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We use data from the Parkes Half-Jansky Flat-Spectrum (PHJFS) sample (Drinkwater et al. 1997) to constrain the cosmic evolution in the co-moving space density of radio sources in the top decade of the flat-spectrum radio luminosity function (RLF). A consistent picture for the high-redshift evolution is achieved using both simple parametric models, which are the first to allow for distributions in both radio luminosity and spectral index, and variants of the V / V_max test, some of which incorporate the effects of radio spectral curvature. For the most luminous flat-spectrum objects, the PHJFS sample is extremely similar to that used by Shaver et al. (1996, 1998) to argue for an abrupt `redshift cut-off': a decrease by a factor ~30 in space density between a peak redshift z~2.5 and z~5. Our analysis finds that the observable co-moving volume is too small to make definitive statements about any redshift cut-off for the most luminous flat-spectrum sources, although both constant-space density (no cut-off) models and models with cut-offs as abrupt as those envisaged by Shaver et al. are outside the 90% confidence region. The inference that the decline in space density is most likely to be gradual, by a factor ~4 between z~2.5 and z~5, is in accordance with previous work on the RLF by Dunlop & Peacock (1990), but different to the abrupt decline favoured by studies of optically-selected quasars. Dust obscuration provides one explanation for this difference. We show that a significant fraction of the most radio-luminous flat-spectrum objects are Giga-Hertz Peaked Spectrum (GPS) rather than Doppler-Boosted (DB) sources, complicating any interpretation of the redshift cut-off.
description: 19 pages, including 8 figures, accepted for publication in MNRAS
Site Selection for Location of Community Corrections Centers
Creators: name: Johnson, Michael P.
Publisher: name: Carnegie Mellon University
Year: 2002
Subjects: subject: Information Systems
subject: FOS: Computer and information sciences
subject: 160510 Public Policy
subject: FOS: Political science

description: Community corrections centers (CCCs) are known to be an effective criminal justice strategy. However, location of CCCs is challenging: residents of potential destination communities often regard them as “undesirable” land uses. We develop a methodology by which a small set of feasible CCC locations may be identified from a larger initial set using data on neighborhood characteristics and currently operating CCCs. This methodology is based on a multi-stakeholder deliberative process and spatial analysis. Results from this process may be used as inputs to models that identify CCC sites that optimize various policy criteria. We apply a portion of this methodology to data from Pittsburgh, PA and demonstrate that the process is reasonable in terms of data requirements, stakeholder preference elicitation and outcomes generation. Preliminary results indicate a set of potential CCC sites are selected that is more diverse than that which might be identified using real estate or community corrections expertise alone.
Electro-Thermal Transport in Metallic Single-Wall Carbon Nanotubes for Interconnect Applications
Creators: name: Pop, Eric
name: Mann, David
name: Reifenberg, John
name: Goodson, Kenneth
name: Dai, Hongjie
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: This work represents the first electro-thermal study of metallic single-wall carbon nanotubes (SWNTs) for interconnect applications. Experimental data and careful modeling reveal that self-heating is of significance in short (1 < L < 10 um) nanotubes under high-bias. The low-bias resistance of micron scale SWNTs is also found to be affected by optical phonon absorption (a scattering mechanism previously neglected) above 250 K. We also explore length-dependent electrical breakdown of SWNTs in ambient air. Significant self-heating in SWNT interconnects can be avoided if power densities per unit length are limited to less than 5 uW/um.
description: IEEE Intl. Electron Devices Meeting (IEDM), Dec. 2005, Washington DC
Neumann Boundary Conditions from D1-Brane Description at the Presence of Electric Field
Creators: name: Douari, Jamila
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the fluctuations of D1$\bot$D3 branes from D1-Brane description in the presence of world volume electric field. The fluctuations are found to obey Neumann boundary conditions separating the system into two regions depending on electric field $E$.
description: 10 pages, v2: some equations are corrected and some points have been clarified
Should Professional Boxing Change Its Scoring System? A Comparison of Current and Proposed Methods
Creators: name: Algranati, David J.
name: Cork, Daniel L.
Publisher: name: Carnegie Mellon University
Year: 2000
Subjects: subject: Information Systems
subject: FOS: Computer and information sciences
subject: 160510 Public Policy
subject: FOS: Political science

description: In the aftermath of the controversial draw verdict in the first bout between Evander Holyfield and Lennox Lewis, numerous suggestions have been advanced to reform the process of scoring professional boxing contests. This paper compares the status quo scoring system in boxing, the 10-Point Must System, to New Jersey’s 10-Point Majority System and the “consensus scoring” technique currently being considered by the New York State Legislature. We compare the three scoring systems on theoretical grounds and by comparing the results when the systems are applied to every world title fight sanctioned by the sport’s four major sanctioning bodies between 1986 and 1999 that was decided on the judges’ scorecards.
Elliptical flow -- a signature for early pressure in ultrarelativistic nucleus-nucleus collisions
Creators: name: Sorge, H.
Publisher: name: arXiv
Year: 1996
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Elliptical energy flow patterns in non-central Au(11.7AGeV) on Au reactions have been studied employing the RQMD model. The strength of these azimuthal asymmetries is calculated comparing the results in two different modes of RQMD (mean field and cascade). It is found that the elliptical flow which is readily observable with current experimental detectors may help to distinguish different reasonable expansion scenarios for baryon-dense matter. The final asymmetries are very sensitive to the pressure at maximum compression, because they involve a partial cancelation between early squeeze-out and subsequent flow in the reaction plane. This cancelation can be expected to occur in a broad energy region covered by the current heavy ion fixed-target programs at BNL and at CERN.
description: 14 pages LaTeX including 3 postscript figures
Zeuxia parmensis Rondani 1862
Creators: name: Sforzi, Alessandra
name: Sommaggio, Daniele
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Sarcophagidae
Zeuxia
Zeuxia parmensis

description: Zeuxia parmensis Rondani, 1862
ORIGINAL DESCRIPTION:1862c: 142 (key), 143 (description).
 TYPE LOCALITY: “ in agro parmensi … in Liguria … ad Tergestum [Parmese territory … Liguria … Trieste (Italy)]”.
 TYPE MATERIAL: 2 ♂♂, syntypes (one missing left fore-leg; one missing left mid- and right hind-legs) (MZUF: Box 18): Zeuxia Mgn / parmensis Rnd., ♂ / 985; 2 ♀♀, syntypes (one missing left mid-leg, the other partially eaten by dermestids, missing right fore-, mid- and hind-legs) (MZUF: Box 18): Zeuxia Mgn / parmensis Rnd., ♀ / 985; 1 ♂, syntype (missing left mid- and right hind-legs), 1 ♀, syntype (missing right hind-leg) (MZUF: Box C): Zeuxia Mgn parmensis R., 359, ♂ ♀, Parma / 393 359; 1 ♂, syntype (missing head, left fore- and right midlegs) (MSNC: Box DIPTERA Ex collezione Rondani - I): Zeuxia Mgn. parmensis R. 183 ♂ ♀ Parma / Coll. Rondani, scatola n° 2, posiz. H-11 / Museo di Storia Naturale Università di Pisa, Calci (PI) ex collezione Rondani; 1 ♀, syntype (missing right mid-leg) (MSNC: Box DIPTERA Ex collezione Rondani - I): Zeuxia parmensis R. ♀ Parma / Coll. Rondani, scatola n° 2, posiz. H-12 / Museo di Storia Naturale Università di Pisa, Calci (PI) ex collezione Rondani; 1 ♂, syntype (MSNPV: Box 95): Zeuxia Mgn parmensis RND., 475, ♂ ♀, Parma; 2 ♂♂, 2 ♀♀, syntypes (one missing right wing) (OUMNH General Collection: Box 166.4): Syntyp. / Type / Z. tessellata Egger 1860, det. Herting / Verrall-Collin Palaearctic coll. Ox. Uni. Mus. Nat. Hist. (OUMNH) OUMNH –1967–018.
 CURRENT STATUS: junior synonym of Zeuxia tessellata (Egger, 1860) (Herting & Dely-Draskovits 1993: 370).
 REMARKS: Rondani (1862c: 143) described both sexes of Zeuxia parmensis from an unspecified number of specimens that he had collected and that he had also received from G. Mussino and J.R. Schiner. We found 13 syntypes in this study. An additional four males and three females in the MZUF, numbered “1854”, are not included in the type series because their labels are yellowish rather than the greenish color of Rondani’s original handwritten ones and are in a lower row in the Box, for which reason we treat them to be subsequent additions.
description: Published as part of Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, pp. 1-438 in Zootaxa 4989 (1) on page 363, DOI: 10.11646/zootaxa.4989.1.1, http://zenodo.org/record/4980621
Kinetic Monte Carlo simulation of the nitridation of the GaAs (100) surfaces
Creators: name: Castro, A. P.
name: Alves, H. W. Leite
Publisher: name: arXiv
Year: 2006
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We present, in this work, our preliminary results of a systematic theoretical study of the adsorption of N over As-terminated GaAs (100) (2$\times$1) surfaces. We analyzed the changes in the bond-lenghts, bond-angles and the energetics involved before and after deposition. Our results show that the N-atoms will prefer the unoccupied sites of the surface, close to the As dimer. The presence of the N pushes the As dimer out of the surface, leading to the anion exchange between the N and As atoms. Based on our results, we discussed about the kinetics of the N islands formation during epitaxial growth of the III-Nitrides.
description: 4 pages, 7 figures, accepted for publication in Braz. J. Phys., special number, Proceedings of BWSP-12, 12th Brazilian Workshop on Semiconductor Physics
The AdS_5xS^5 superstring worldsheet S-matrix and crossing symmetry
Creators: name: Janik, Romuald A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: An S-matrix satisying the Yang-Baxter equation with symmetries relevant to the AdS_5xS^5 superstring has recently been determined up to an unknown scalar factor. Such scalar factors are typically fixed using crossing relations, however due to the lack of conventional relativistic invariance, in this case its determination remained an open problem. In this paper we propose an algebraic way to implement crossing relations for the AdS_5xS^5 superstring worldsheet S-matrix. We base our construction on a Hopf-algebraic formulation of crossing in terms of the antipode and introduce generalized rapidities living on the universal cover of the parameter space which is constructed through an auxillary, coupling constant dependent, elliptic curve. We determine the crossing transformation and write functional equations for the scalar factor of the S-matrix in the generalized rapidity plane.
description: 27 pages, no figures; v2: sign typo fixed in (24), everything else unchanged
A Model of Metallicity Evolution in the Early Universe
Creators: name: Wasserburg, G. J.
name: Qian, Y. -Z.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We apply the phenomenological model used to explain the abundances of Fe and r-process elements in very metal-poor stars in the Galaxy to [Fe/H] of damped Ly alpha systems. It is assumed that the first stars formed after the Big Bang were very massive and promptly enriched the interstellar medium to [Fe/H] ~ -3, at which metallicity formation of normal stars took over. Subsequent Fe enrichment was provided by Type II supernovae. The range of [Fe/H] at a given redshift z for damped Ly alpha systems is explained by the time t* after the Big Bang at which normal star formation started in an individual protogalactic system. The average t* is approx 80% the age of the universe for damped Ly alpha systems at z approx 1.5 to 4.5, indicating a long delay between the Big Bang and the turn-on of protogalaxies. It is inferred that a substantial fraction of the total baryonic matter may not have been aggregated into protogalaxies where normal star formation had occurred down to z ~ 1.5. The data near z = 2.2 suggest that the rate of turn-on of protogalaxies was initially very low and slowly reached a maximum at ~ 3 Gyr after the Big Bang. This may be important in understanding the rate of formation of quasars.
description: 13 pages, 4 figures, to appear in ApJ Letters
Tackling supply chain ‘blind spots’ via end-to-end visibility, traceability, and transparency: Conceptualising the role publicly data and big data analytics
Creators: name: Nie, Wei
name: Alem Fonseca, Mariel
name: Tsolakis, Naoum
name: Bellingan, Minette
name: Kumar, Mukesh
Publisher: name: Apollo - University of Cambridge Repository
Year: 2023

description: This study explores the nature of publicly available data, big data analytics, the knowledge derived from such analytics, and their interconnections in the context of achieving supply chain visibility, traceability and transparency to uncover the blind spots in the end-to-end supply chain. This study conducts a scoping review and evaluates the relevant academic works using publicly available data. From the reviews, we compiled a list of relevant data sources which can be categorised into 6 groups. Several data concerns like data source selection and data storage remain to be discussed. Finally, a conceptual framework is proposed to guide the implementation.
Influence of the in-medium pion dispersion relation in heavy ion collisions
Creators: name: Fuchs, C.
name: Sehn, L.
name: Lehmann, E.
name: Zipprich, J.
name: Faessler, Amand
Publisher: name: arXiv
Year: 1996
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We investigate the influence of medium corrections to the pion dispersion relation on the pion dynamics in intermediate energy heavy ion collisions. To do so a pion potential is extracted from the in-medium dispersion relation and used in QMD calculations and thus we take care of both, real and imaginary part of the pion optical potential. The potentials are determined from different sources, i.e. from the $Δ$--hole model and from phenomenological approaches. Depending on the strength of the potential a reduction of the anti-correlation of pion and nucleon flow in non-central collisions is observed as well as an enhancement of the high energetic yield in transverse pion spectra. A comparison to experiments, in particular to $p_t$-spectra for the reaction Ca+Ca at 1 GeV/nucleon and the pion in-plane flow in Ne+Pb collisions at 800 MeV/nucleon, generally favours a weak potential.
description: 25 pages, using REVTeX, 6 postscript figures; replaced by published version
Service Adoption and Pricing of Content Delivery Network (CDN) Services
Creators: name: Kartik  Hosanagar
name: Chuang, John
name: Krishnan, Ramayya
name: Smith, Michael
Publisher: name: Carnegie Mellon University
Year: 2005
Subjects: subject: Information Systems
subject: FOS: Computer and information sciences
subject: 160510 Public Policy
subject: FOS: Political science

description: Content Delivery Networks (CDNs) are a vital component of the Internet’s content delivery value chain, servicing nearly a third of the Internet’s most popular content sites. However, in spite of their strategic importance little is known about the optimal pricing policies or adoption drivers of CDNs. We address these questions using analytic models of the market structure for Internet content delivery. We find that, consistent with industry practices, CDNs should provide volume discounts to content providers when traffic burstiness is similar across content providers. However, when different content providers have varying traffic burstiness, as expected in reality, CDNs should provide relatively lower volume discounts, even leading to convex price functions in some cases. Surprisingly, we also find that content providers with bursty traffic provision less infrastructure compared to those with lower burstiness, that CDNs are able to charge more in the presence of bursty traffic, and that content providers with bursty traffic realize lower surplus. Similarly, we find that a pricing policy that accounts for both the mean and variance in traffic such as percentile- based pricing does better than pure volume based pricing. Finally, we show that larger CDN networks can charge higher prices in equilibrium, strengthening any technology-based economies of scale.
Bethe Ansatz in Stringy Sigma Models
Creators: name: Klose, T.
name: Zarembo, K.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We compute the exact S-matrix and give the Bethe ansatz solution for three sigma-models which arise as subsectors of string theory in AdS(5)xS(5): Landau-Lifshitz model (non-relativistic sigma-model on S(2)), Alday-Arutyunov-Frolov model (fermionic sigma-model with su(1|1) symmetry), and Faddeev-Reshetikhin model (string sigma-model on S(3)xR).
description: 37 pages, 11 figures
The six-vertex model at roots of unity and some highest weight representations of the sl(2) loop algebra
Creators: name: Deguchi, Tetsuo
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We discuss irreducible highest weight representations of the sl(2) loop algebra and reducible indecomposable ones in association with the sl(2) loop algebra symmetry of the six-vertex model at roots of unity. We formulate an elementary proof that every highest weight representation with distinct evaluation parameters is irreducible. We present a general criteria for a highest weight representation to be irreducble. We also give an example of a reducible indecomposable highest weight representation and discuss its dimensionality.
description: 10 pages, no figures, submitted to the proceedings of the international workshop ``Recent Advances in Quantum Integrable Systems'', September 6-9, 2005, LAPTH, Annecy-le-Vieux, France
title: ADCO, Comptes du Petit-Cîteaux (1477-1491) (11 H 1179), f. 00619
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte D'Or
name: Petot, Frédérique
name: Projet CBMA
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
name: CBMA/CG21/F.PETOT/2019
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: cartulaire
subject: comptes

description: Comptes du Petit-Cîteaux (1477-1491), Archives départementales de la Côte-d'Or, (11 H 1179). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Comptes du Petit-Cîteaux (1477-1491), Archives départementales de la Côte-d'Or, (11 H 1179), f. 00619, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https://manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Dirac-Foldy term and the electromagnetic polarizability of the neutron
Creators: name: Bawin, M.
name: Coon, S. A.
Publisher: name: arXiv
Year: 1996
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We reconsider the Dirac-Foldy contribution $μ^2/m$ to the neutron electric polarizability. Using a Dirac equation approach to neutron-nucleus scattering, we review the definitions of Compton continuum ($\barα$), classical static ($α^n_E$), and Schrödinger ($α_{Sch}$) polarizabilities and discuss in some detail their relationship. The latter $α_{Sch}$ is the value of the neutron electric polarizability as obtained from an analysis using the Schrödinger equation. We find in particular $α_{Sch} = \barα - μ^2/m$ , where $μ$ is the magnitude of the magnetic moment of a neutron of mass $m$. However, we argue that the static polarizability $α^n_E$ is correctly defined in the rest frame of the particle, leading to the conclusion that twice the Dirac-Foldy contribution should be added to $α_{Sch}$ to obtain the static polarizability $α^n_E$.
description: 11 pages, RevTeX, to appear in Physical Review C
Sensitivity of MRQAP Tests to Collinearity and Autocorrelation Conditions
Creators: name: Dekker, David
name: Krackhardt, David
name: Snijders, Tom A. B.
Publisher: name: Carnegie Mellon University
Year: 2005
Subjects: subject: Information Systems
subject: FOS: Computer and information sciences
subject: 160510 Public Policy
subject: FOS: Political science

description: MRQAP (Multiple Regression { Quadratic Assignment Procedure) tests are permutation tests for multiple regression coe±cients for data organized in square matrices instead of vectors. Such a data structure is typical in social network studies, where variables indicate some type of relation between a given set of actors. Over the last 15 years, new approaches to permutation tests have been developed. Some of the proposed tests have been found to be substantially more robust against collinearity in the data. Most studies evaluating the performance of permutation tests in linear models for square matrices do not consider the type of structural autocorrelation that is typical for social network data. We present a new permutation method that complements the family of extant tests. Performance of various di®erent approaches to MRQAP tests is evaluated under conditions of row and column autocorrelation in the data as well as collinearity between the variables through an extensive series of simulations.
Cold gas and star formation in a merging galaxy sequence
Creators: name: Georgakakis, Antonis
name: Forbes, Duncan A.
name: Norris, Ray P.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We explore the evolution of the cold gas and star-formation activity during galaxy interactions, using a merging galaxy sequence comprising both pre- and post-mergers. Data for this study come from the literature but supplemented by new radio observations presented here. Firstly, we confirm that the star-formation efficiency (SFE) increases close to nuclear coalescence. At post-merger stages there is evidence that the SFE declines to values typical of ellipticals. This trend can be attributed to M(H_2) depletion due to interaction induced star-formation. However, there is significant scatter, likely to arise from differences in the interaction details of individual systems. Secondly, we find that the central molecular hydrogen surface density, increases close to the final stages of the merging of the two nuclei. Such a trend is also predicted by numerical simulations. Furthermore, there is evidence for a decreasing fraction of cold gas mass from early interacting systems to merger remnants, attributed to gas conversion into other forms. The evolution of the total-radio to blue-band luminosity ratio, reflecting the disk+nucleus star-formation activity, is also investigated. Although this ratio is on average higher than that of isolated spirals, we find a marginal increase along the merging sequence, attributed to the relative insensitivity of disk star-formation to interactions. However, a similar result is also obtained for the nuclear radio emission, although galaxy interactions are believed to significantly affect the activity in the central galaxy regions. Finally, we find that the FIR--radio flux ratio distribution of interacting galaxies is consistent with star-formation being the main energising source.
description: 18 pages, 17 figures, accepted for publication in MNRAS
Sell First, Fix Later: Impact of Patching on Software Quality
Creators: name: Arora, Ashish
name: Caulkins, Jonathan P
name: Telang, Rahul
Publisher: name: Carnegie Mellon University
Year: 2003
Subjects: subject: Information Systems
subject: FOS: Computer and information sciences
subject: 160510 Public Policy
subject: FOS: Political science

description: We present an economic model of fixing or patching a software problem after the product has been released in the market. Specifically, we model a software firm’s trade-off in releasing a buggy product early and investments in fixing it later. We first show that patching investments and time to enter the market are strategic complements such that higher investments in patching capability allow the firm to enter the market earlier. Just as the marginal cost of producing software can be effectively zero, so can be the marginal cost of repairing multiple copies of defective software by issuing patches. We show that due to the fixed cost nature of investments in patching, a vendor has incentives to release a buggier product early and patch it later in a larger market. We contrast this result with other physical good markets. Thus, we show that a monopolist releases a product with fewer bugs but later than what is socially optimal. We extend our model to incorporate duopoly competition and show that in competition, the high value firm always enters earlier than the monopolist. Ironically the firm offering greater value to customers releases a product that initially is of lower quality (more bugs), but provides the greater value by releasing early (so customers can use the product sooner) and by investing more in patching so it can provide better after-sale support to its customers.
Mass, spin, charge, and magnetic moment for electromagnetic particle
Creators: name: Chernitskii, Alexander A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Electromagnetic particle is considered as appropriate particle solution of nonlinear electrodynamics. Mass, spin, charge, and dipole moment for the electromagnetic particle are defined. Classical motion equations for massive charged particle with spin and dipole moment are obtained from integral conservation laws for the field.
description: 5 pages, talk given at XI Advanced Research Workshop on High Energy Spin Physics, September 27 - October 1, 2005, Dubna, Russia
Stability analysis for $n$-component Bose-Einstein condensate
Creators: name: Roberts, David C.
name: Ueda, Masahito
Publisher: name: arXiv
Year: 2006
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We derive the dynamic and thermodynamic stability conditions for dilute multicomponent Bose-Einstein condensates (BECs). These stability conditions, generalized for $n$-component BECs, are found to be equivalent and are shown to be consistent with the phase diagrams of two- and three-component condensates that are derived from energetic arguments.
description: v2: added reference
Doppler-free coherent-control spectroscopy with a colliding pair of shaped pulses
Creators: name: Kim, Minhyuk
name: Kim, Kyungtae
name: Cao, Dewen
name: Gao, Fang
name: Shuang, Feng
name: Ahn, Jaewook
Publisher: name: arXiv
Year: 2017
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We demonstrate the use of the ultrafast spatial coherent-control method to resolve the fine-structure two-photon transitions of atomic rubidium. Counter-propagating ultrafast optical pulses with spectral phase and amplitude programmed with our optimized solutions successfully induced the two-photon transitions through $5S_{1/2}$-$5P_{1/2}$-$5D$ and $5S_{1/2}$-$5P_{3/2}$-$5D$ pathways, both simultaneously and at distinct spatial locations. Three different pulse-shaping solutions are introduced that combine amplitude shaping, which avoids direct intermediate resonances, and phase programming, which enables the remaining spectral components to be coherently interfered through the targeted transition pathways. Experiments were performed with a room-temperature vapor cell, and the results agree well with theoretical analysis.
description: 7 pages, 4 figures
Investigating the structure of the accretion disk in WZ Sge from multi-wave-band, time-resolved spectroscopic observations: Paper II
Creators: name: Mason, E.
name: Skidmore, W.
name: Howell, S. B.
name: Ciardi, D. R.
name: Littlefair, S.
name: Dhillon, V. S.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present our second paper describing multi-wave-band, time-resolved spectroscopy of WZ Sge. We analyze the evolution of both optical and IR emission lines throughout the orbital period and find evidence, in the Balmer lines, for an optically thin accretion disk and an optically thick hot-spot. Optical and IR emission lines are used to compute radial velocity curves. Fits to our radial velocity measurements give an internally inconsistent set of values for K1, gamma, and the phase of red-to-blue crossing. We present a probable explanation for these discrepancies and provide evidence for similar behaviour in other short orbital period dwarf-novae. Selected optical and IR spectra are measured to determine the accretion disk radii. Values for the disk radii are found to be strongly dependent on the assumed WD mass and binary orbital inclination. However, the separation of the peaks in the optical emission line (i.e. an indication of the outer disk radius) has been found to be constant during all phases of the super-cycle period over the last 40 years.
description: 13 pages, 9 figures, to be published in MNRAS
Sell First Fix Later: Impact of Patching on Software Quality
Creators: name: Arora, Ashish
name: Caulkins, Jonathan
name: Telang, Rahul
Publisher: name: Carnegie Mellon University
Year: 2003
Subjects: subject: Information Systems
subject: FOS: Computer and information sciences
subject: 160510 Public Policy
subject: FOS: Political science

description: We present an economic model of fixing or patching a software problem after the product has been released in the market. Specifically, we model a software firm’s trade-off in releasing a buggy product early and investments in fixing it later. We first show that patching investments and time to enter the market are strategic complements such that higher investments in patching capability allow the firm to enter the market earlier. Just as the marginal cost of producing software can be effectively zero, so can be the marginal cost of repairing multiple copies of defective software by issuing patches. We show that due to the fixed cost nature of investments in patching, a vendor has incentives to release a buggier product early and patch it later in a larger market. We contrast this result with other physical good markets. Thus, we show that a monopolist releases a product with fewer bugs but later than what is socially optimal. We extend our model to incorporate duopoly competition and show that in competition, the high value firm always enters earlier than the monopolist. Ironically the firm offering greater value to customers releases a product that initially is of lower quality (more bugs), but provides the greater value by releasing early (so customers can use the product sooner) and by investing more in patching so it can provide better after-sale support to its customers.
Fortisia phaeda Meigen, 1822 sensu Rondani 1861
Creators: name: Sforzi, Alessandra
name: Sommaggio, Daniele
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Tachinidae
Fortisia
Fortisia phaeda

description: Fortisia phaeda Meigen, 1822 sensu Rondani, 1861e: 95.
 REMARKS: misidentification. Rondani (1861e: 95) in his redescription of Tachina foeda Meigen, 1822 referred to a new species now considered Loewia nudigena Mesnil, 1973 (Herting 1869: 198, O’Hara et al. 2011: 86). He considered Tachina phaeda Meigen, 1822 sensu Rondani as the type species of the genus Fortisia Rondani, 1861, but he did not deliberately employ any previous misidentification therefore Fortisia phaeda is an unavailable name (I.C.Z.N. 1999: Article 11.10). The name “ phaeda ” is an incorrect subsequent misspelling of “ foeda ” Meigen. O’Hara et al. (2011: 206) did not list this nominal species. In the MZUF under the name Fortisia foeda Meigen we found two males and three females.
description: Published as part of Sforzi, Alessandra & Sommaggio, Daniele, 2021, Catalog of the Diptera types described by Camillo Rondani, pp. 1-438 in Zootaxa 4989 (1) on page 366, DOI: 10.11646/zootaxa.4989.1.1, http://zenodo.org/record/4980621
Theta-dependence of the spectrum of SU(N) gauge theories
Creators: name: Del Debbio, Luigi
name: Manca, Gian Mario
name: Panagopoulos, Haralambos
name: Skouroupathis, Apostolos
name: Vicari, Ettore
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We study the theta dependence of the spectrum of four-dimensional SU(N) gauge theories, where theta is the coefficient of the topological term in the Lagrangian, for N>=3 and in the large-N limit. We compute the O(theta^2) terms of the expansions around theta=0 of the string tension and the lowest glueball mass, respectively sigma(theta) = sigma (1 + s_2 theta^2 + ...) and M(theta) = M (1 + g_2 theta^2 + ...), where sigma and M are the values at theta=0. For this purpose we use numerical simulations of the Wilson lattice formulation of SU(N) gauge theories for N=3,4,6. The O(theta^2) coefficients turn out to be very small for all N>=3. For example, s_2=-0.08(1) and g_2=-0.06(2) for N=3. Their absolute values decrease with increasing N. Our results are suggestive of a scenario in which the theta dependence in the string and glueball spectrum vanishes in the large-N limit, at least for sufficiently small values of |theta|. They support the general large-N scaling arguments that indicate (theta/N) as the relevant Lagrangian parameter in the large-N expansion.
description: 16 pages, 3 figures. Some clarifications included, final version published in JHEP
AU-Scale Synchrotron Jets and Superluminal Ejecta in GRS 1915+105
Creators: name: Dhawan, V.
name: Mirabel, I. F.
name: Rodriguez, L. F.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Radio imaging of the microquasar GRS 1915+105 with the Very Long Baseline Array (VLBA) during various flaring, quiescent, or oscillatory states of the black hole binary, always resolves the nucleus as a compact jet of length about 10.lambda_cm AU. On scales of 2.5-7AU, the nucleus has brightness temperature T_B > 10^9 K, and its properties are better fit by a synchrotron jet, rather than a thermal jet. The nuclear jet varies in 10-60min during minor X-ray/radio outbursts, and re-establishes within 18hrs of a major outburst, indicating the robustness of the disk/jet system to disruption. At lower resolution (80-240AU), time-lapse images reveal discrete superluminal ejecta at 500-600 AU separation from the nucleus. The measured velocity is 1.5c+-0.1c(D/12 kpc) for the approaching component, consistent with ballistic motion of the ejecta from 500AU outwards, perhaps even since birth. The axis of the ejecta differs by <12deg clockwise from the axis of the AU-scale jet, measured in the same observation. Both axes are stable for years. The black hole is astrometrically located to +-1.5mas, after accounting for its secular parallax from Galactic rotation of 5.8+-1.5mas/yr at the distance of 12kpc, and a limit of <100km/s is placed on its proper-motion with respect to its neighbourhood. Our observations suggest that the unresolved flat-spectrum radio cores of accreting black holes are compact quasi-continuous synchrotron jets.
description: 32 pages + 10 figures; accepted Ap.J. 543, 1Nov2000. Replaced to fix merged figures. no changes in content
Nuclear clustering and the electron screening puzzle
Creators: name: Bertulani, C. A.
name: Spitaleri, C.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Electron screening changes appreciably the magnitude of astrophysical nuclear reactions within stars. This effect is also observed in laboratory experiments on Earth, where atomic electrons are present in the nuclear targets. Theoretical models were developed over the past 30 years and experimental measurements have been carried out to study electron screening in thermonuclear reactions. None of the theoretical models were able to explain the high values of the experimentally determined screening potentials. We explore the possibility that the "electron screening puzzle" is due to nuclear clusterization and polarization effects in the fusion reactions. We will discuss the supporting arguments for this scenario.
description: 6 pages, 3 figures. Invited talk at the 8th Nuclear Physics in Astrophysics International Conference, June 18-23, 2017, Catania, Italy
Heterogeneity in connectivity of habitat networks saves stable coexistence of competing species
Creators: name: Masuda, Naoki
name: Konno, Norio
Publisher: name: arXiv
Year: 2006
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: Coexistence of individuals with different species or phenotypes is often found in nature in spite of competition between them. Stable coexistence of multiple types of individuals have implications for maintenance of ecological biodiversity and emergence of altruism in society, to name a few. Various mechanisms of coexistence including spatial structure of populations, heterogeneous individuals, and heterogeneous environments, have been proposed. In reality, individuals disperse and interact on complex networks. We examine how heterogeneous degree distributions of networks influence coexistence, focusing on models of cyclically competing species. We show analytically and numerically that heterogeneity in degree distributions promotes stable coexistence.
description: 4 figures
Securing Their Future? The Role of Markets for Technology, Organization Capabilities and Opportunity Costs on business Model and Performance in the Information Security Market
Creators: name: Nandkumar, Anand
Publisher: name: Carnegie Mellon University
Year: 2008
Subjects: subject: Information Systems
subject: FOS: Computer and information sciences
subject: 160510 Public Policy
subject: FOS: Political science

description: My dissertation makes use of a unique dataset of the Information Security Market (ISM) to advance our understanding of the phenomenon of entrepreneurship. Its purpose is threefold: First, I examine how the presence of a market for technology (MFT) conditions the choice of business model of firms and post entry performance of firms. I also examine the industry effects of MFT, by exploring the influence of MFT on competition. Second, I explore how opportunity costs of entrepreneurs influence exit as well as success of the entrepreneurial venture started by entrepreneurs. Finally, I examine how different types of firm competencies condition the choice of business model and survival of firms. Results confirm the independent and synergistic role of marketing, technology and scale in conditioning the choice of business model and survival of firms in the ISM. Incumbents appear to be advantaged relative to startups however the exact nature of this advantage cannot be conclusively answered. Interestingly, I also find that startups founded by founders from an unrelated industry tend to outperform firms founded by entrepreneurs from ICT industry and spinoffs. These results highlight the nature of the industry and especially the absence of manufacturing in the ISM. I also find that MFT increases specialization, by allowing even firms without a self generated technology to enter and survive in the ISM. MFT, however also intensifies price competition and hastens firm exits from the ISM, especially by larger firms. MFT also increases the relevance of marketing assets in conditioning performance in the ISM. Finally, in tune with the current literature, I find evidence of entrepreneurs with higher ability starting firms on a larger scale relative to low ability entrepreneurs. Interestingly, I also find that high ability entrepreneurs or, entrepreneurs with higher opportunity costs, are not only more likely to exit the ISM relative to low ability entrepreneurs but are also more likely to succeed in the ISM.
title: ADCO, Comptes du Petit-Cîteaux (1477-1491) (11 H 1179), f. 00413
Creators: name: de la Côte d'Or, Archives départementales
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
name: Archives Départementales De La Côte D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CBMA/CG21/F.PETOT/2019
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: comptes
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Comptes du Petit-Cîteaux (1477-1491), Archives départementales de la Côte-d'Or, (11 H 1179). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Comptes du Petit-Cîteaux (1477-1491), Archives départementales de la Côte-d'Or, (11 H 1179), f. 00413, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https://manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Lepton number violation phenomenology of d=7 neutrino mass models
Creators: name: Cepedello, R.
name: Hirsch, M.
name: Helo, J. C.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the phenomenology of d=7 1-loop neutrino mass models. All models in this particular class require the existence of several new $SU(2)_L$ multiplets, both scalar and fermionic, and thus predict a rich phenomenology at the LHC. The observed neutrino masses and mixings can easily be fitted in these models. Interestingly, despite the smallness of the observed neutrino masses, some particular lepton number violating (LNV) final states can arise with observable branching ratios. These LNV final states consists of leptons and gauge bosons with high multiplicities, such as 4l+4W, 6l+2W, etc. We study current constraints on these models from upper bounds on charged lepton flavour violating decays, existing lepton number conserving searches at the LHC and discuss possible future LNV searches.
REPRESENTATION OF VIOLENCE AGAINST WOMEN AND GIRLS IN INDONESIAN MAINSTREAM NEWSPAPER COVERAGE: A GENDER-SENSITIVE APPROACH TO JOURNALISM
Creators: name: YUSUF, IWAN AWALUDDIN
Publisher: name: Monash University
Year: 2021
Subjects: subject: 200104 Media Studies
subject: FOS: Media and communications

description: This research investigated how Indonesian mainstream newspapers represent violence against women and girls (VAWG) by applying the approach and new policies of gender-sensitive journalism (GSJ). By specifically examining three quality Indonesian mainstream newspapers: Kompas, Republika, and The Jakarta Post, the study utilised a mixed-methods approach of news content analysis combined with semi-structured interviews. This study revealed that the neglect of gender-sensitive principles continues to occur at the highest levels of Indonesian journalism. While the overall percentage of the violation of gender-sensitive reporting principles and the Indonesian Journalistic Code of Ethics was small, some areas of concern remain.
On Preemption and Overdetermination in Formal Theories of Causality
Creators: name: Dyrkolbotn, Sjur K
Publisher: name: arXiv
Year: 2017
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: One of the key challenges when looking for the causes of a complex event is to determine the causal status of factors that are neither individually necessary nor individually sufficient to produce that event. In order to reason about how such factors should be taken into account, we need a vocabulary to distinguish different cases. In philosophy, the concept of overdetermination and the concept of preemption serve an important purpose in this regard, although their exact meaning tends to remain elusive. In this paper, I provide theory-neutral definitions of these concepts using structural equations in the Halpern-Pearl tradition. While my definitions do not presuppose any particular causal theory, they take such a theory as a variable parameter. This enables us to specify formal constraints on theories of causality, in terms of a pre-theoretic understanding of what preemption and overdetermination actually mean. I demonstrate the usefulness of this by presenting and arguing for what I call the principle of presumption. Roughly speaking, this principle states that a possible cause can only be regarded as having been preempted if there is independent evidence to support such an inference. I conclude by showing that the principle of presumption is violated by the two main theories of causality formulated in the Halpern-Pearl tradition. The paper concludes by defining the class of empirical causal theories, characterised in terms of a fixed-point of counterfactual reasoning about difference-making. It is argued that theories of actual causality ought to be empirical.
description: In Proceedings CREST 2017, arXiv:1710.02770
Probability of a Solution to the Solar Neutrino Problem Within the Minimal Standard Model
Creators: name: Heeger, Karsten M.
name: Robertson, R. G. H.
Publisher: name: arXiv
Year: 1996
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Tests, independent of any solar model, can be made of whether solar neutrino experiments are consistent with the minimal Standard Model (stable, massless neutrinos). If the experimental uncertainties are correctly estimated and the sun is generating energy by light-element fusion in quasi-static equilibrium, the probability of a standard-physics solution is less than 2%. Even when the luminosity constraint is abandoned, the probability is not more than 4%. The sensitivity of the conclusions to input parameters is explored.
description: PRL, Revtex, 1 figure, 5 pages