cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Why Government Grows (and Grows) in a Democracy
Creators: name: Meltzer, Allan
name: Richard, Scott F.
Publisher: name: Carnegie Mellon University
Year: 1972
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: DEMOCRATIC government continues in relatively few countries, and mainly in the market economies of the world. Yet even in the United States, with a long history of coexistence between market freedom and political freedom, state intervention in the market has grown, and the size of government has grown. Growth of government is not a simple transfer of power from one group to another. Well-functioning markets disperse power; growth of government concentrates power.
Burckhardt, Hans Balthasar & Sohn
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Basel
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Heavy Quark Fragmentation to Baryons Containing Two Heavy Quarks
Creators: name: Falk, Adam F.
name: Luke, Michael
name: Savage, Martin J.
name: Wise, Mark B.
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss the fragmentation of a heavy quark to a baryon containing two heavy quarks of mass $m_Q\ggΛ_{\rm QCD}$. In this limit the heavy quarks first combine perturbatively into a compact diquark with a radius small compared to $1/Λ_{\rm QCD}$, which interacts with the light hadronic degrees of freedom exactly as does a heavy antiquark. The subsequent evolution of this $QQ$ diquark to a $QQq$ baryon is identical to the fragmentation of a heavy antiquark to a meson. We apply this analysis to the production of baryons of the form $ccq$, $bbq$, and $bcq$.
description: 9 pages, 1 figure included, uses harvmac.tex and epsf.tex, UCSD/PTH 93-11, CALT-68-1868, SLAC-PUB-6226
Additional file 6 of Genome-based classification of Burkholderia cepacia complex provides new insight into its taxonomic status
Creators: name: Jin, Yuan
name: Zhou, Jianglin
name: Zhou, Jing
name: Hu, Mingda
name: Zhang, Qi
name: Kong, Na
name: Ren, Hongguang
name: Liang, Long
name: Yue, Junjie
Publisher: name: figshare
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Biotechnology
subject: Evolutionary Biology
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Marine Biology
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Additional file 6. Single-marker phylogenies of reclassified 116 BCC genomes. The trees are the same as in Fig. 1. The strains are labeled as cluster tags with the original infraspecific name.
On a Solitonic Specialisation for the General Solutions of Some Two-Dimensional Completely Integrable Systems
Creators: name: Olive, David I.
name: Saveliev, Mikhail V.
name: Underwood, Jonathan W. R.
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Following a prescription of \cite{4} for a solitonic specialization of the general solutions to the (abelian) periodic Toda field theories, we discuss a construction of the soliton solutions for a wide class of two-dimensional completely integrable systems arising in the framework of the group-algebraic approach, including the \lq\lq non-abelian" version of the affine Toda theory.
description: 9 pages, no figure
Approximate Randomized Benchmarking for Finite Groups
Creators: name: França, Daniel Stilck
name: Hashagen, Anna-Lena
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate randomized benchmarking in a general setting with quantum gates that form a representation, not necessarily an irreducible one, of a finite group. We derive an estimate for the average fidelity, to which experimental data may then be calibrated. Furthermore, we establish that randomized benchmarking can be achieved by the sole implementation of quantum gates that generate the group as well as one additional arbitrary group element. In this case, we need to assume that the noise is close to being covariant. This yields a more practical approach to randomized benchmarking. Moreover, we show that randomized benchmarking is stable with respect to approximate Haar sampling for the sequences of gates. This opens up the possibility of using Markov chain Monte Carlo methods to obtain the random sequences of gates more efficiently. We demonstrate these results numerically using the well-studied example of the Clifford group as well as the group of monomial unitary matrices. For the latter, we focus on the subgroup with nonzero entries consisting of n-th roots of unity, which contains T gates.
description: 36 pages, 2 figures, close to published version
Status of the JENSA gas-jet target for experiments with rare isotope beams
Creators: name: Schmidt, K.
name: Chipps, K. A.
name: Ahn, S.
name: Bardayan, D. W.
name: Browne, J.
name: Greife, U.
name: Meisel, Z.
name: Montes, F.
name: O'Malley, P. D.
name: Ong, W-J.
name: Pain, S. D.
name: Schatz, H.
name: Smith, K.
name: Smith, M. S.
name: Thompson, P. J.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The JENSA gas-jet target was designed for experiments with radioactive beams provided by the rare isotope re-accelerator ReA3 at the National Superconducting Cyclotron Laboratory. The gas jet will be the main target for the Separator for Capture Reactions SECAR at the Facility for Rare Isotope Beams on the campus of Michigan State University, USA. In this work, we describe the advantages of a gas-jet target, detail the current recirculating gas system, and report recent measurements of helium jet thicknesses of up to about $10^{19}$ atoms/cm$^2$. Finally a comparison with other supersonic gas-jet targets is presented.
description: Preprint, submitted to Nuclear Instruments and Methods in Physics Research A. $\copyright$ 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Airy kernel with two sets of parameters in directed percolation and random matrix theory
Creators: name: Borodin, A.
name: Peche, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mathematical Physics (math-ph)
subject: Probability (math.PR)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We introduce a generalization of the extended Airy kernel with two sets of real parameters. We show that this kernel arises in the edge scaling limit of correlation kernels of determinantal processes related to a directed percolation model and to an ensemble of random matrices.
description: figures improved; references and comments added
Überlegungen zur informatisch-algorithmischen Grundbildung in der Grundschule
Creators: name: , Kortenkamp
name: , Mahns
name: , Etzold
Publisher: name: Zenodo
Year: 2019
Subjects: Fundamentale Ideen
Algorithmisches Denken
Computational Thinking

description: Das Projekt Digitales Lernen Grundschule (Januar 2016 bis Dezember 2018) hatte unter anderem das Ziel, ein Curriculum zur handlungsorientierten Vermittlung informatisch-algorithmischer Kompetenzen zu erstellen. Aufgrund der individuellen Schwerpunktsetzung der einzelnen Projektstandorte (7 Hochschulen und Universitäten) sowie der verschiedenen Entwicklungen in den einzelnen Bundesländern schien es den Autoren nicht sinnvoll, eine Art Lehrplan als Sammlung von Inhalten oder Kompetenzen zu entwickeln. Vielmehr war den Autoren zufolge angedacht, dass prinzipielle Ideen, die Bestandteil einer informatisch-algorithmischen Grundbildung in der Grundschule sein müssen, die Entwicklung entsprechender Konzepte leiten. Angelehnt an Erkenntnisse aus der Didaktik der Informatik und angrenzender Wissenschaftsbereiche bieten sich hierzu sogenannte fundamentale Ideen an, die jedoch für informatische Inhalte in der Grundschule derzeit noch nicht ausgearbeitet wurden. Ziel dieses Dokumentes ist es daher, einen ersten Diskussionsanlass herzustellen und mit der fachdidaktischen und grundschulpädagogischen Community in Austausch zu kommen.
Calandrini
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Genf
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Darlus, J. F
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Turin
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Search for Physics Beyond the Standard Model
Creators: name: Barger, V.
name: Phillips, R. J. N.
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We survey some recent ideas and progress in looking for particle physics beyond the Standard Model, connected by the theme of Supersymmetry (SUSY). We review the success of SUSY-GUT models, the expected experimental signatures and present limits on SUSY partner particles, and Higgs phenomenology in the minimal SUSY model.
description: Standard Latex file. 18 pages without figures. (Calls to postscript figure files blocked out. Full 32 page version with 37 in-text figures available via regular mail.) MAD/PH/752
A Stochastic Lagrangian Basis for a Probabilistic Parameterization of Moisture Condensation in Eulerian Models
Creators: name: Tsang, Yue-Kin
name: Vallis, Geoffrey K.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: In this paper we describe the construction of an efficient probabilistic parameterization that could be used in a coarse-resolution numerical model in which the variation of moisture is not properly resolved. An Eulerian model using a coarse-grained field on a grid cannot properly resolve regions of saturation---in which condensation occurs---that are smaller than the grid boxes. Thus, in the absence of a parameterization scheme, either the grid box must become saturated or condensation will be underestimated. On the other hand, in a stochastic Lagrangian model of moisture transport, trajectories of parcels tagged with humidity variables are tracked and small-scale moisture variability can be retained; however, explicitly implementing such a scheme in a global model would be computationally prohibitive. One way to introduce subgrid-scale saturation into an Eulerian model is to assume the humidity within a grid box has a probability distribution. To close the problem, this distribution is conventionally determined by relating the required subgrid-scale properties of the flow to the grid-scale properties using a turbulence closure. Here, instead, we determine an assumed probability distribution by using the statistical moments from a stochastic Lagrangian version of the system. The stochastic system is governed by a Fokker--Planck equation and we use that, rather than explicitly following the moisture parcels, to determine the parameters of the assumed distribution. We are thus able to parameterize subgrid-scale condensation in an Eulerian model in a computationally efficient and theoretically well-founded way. In two idealized advection--condensation problems we show that a coarse Eulerian model with the subgrid parameterization is well able to mimic its Lagrangian counterpart.
A polynomial bound for untangling geometric planar graphs
Creators: name: Bose, Prosenjit
name: Dujmovic, Vida
name: Hurtado, Ferran
name: Langerman, Stefan
name: Morin, Pat
name: Wood, David R.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Computational Geometry (cs.CG)
subject: Discrete Mathematics (cs.DM)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: To untangle a geometric graph means to move some of the vertices so that the resulting geometric graph has no crossings. Pach and Tardos [Discrete Comput. Geom., 2002] asked if every n-vertex geometric planar graph can be untangled while keeping at least n^εvertices fixed. We answer this question in the affirmative with ε=1/4. The previous best known bound was Ω((\log n / \log\log n)^{1/2}). We also consider untangling geometric trees. It is known that every n-vertex geometric tree can be untangled while keeping at least (n/3)^{1/2} vertices fixed, while the best upper bound was O(n\log n)^{2/3}. We answer a question of Spillner and Wolff [arXiv:0709.0170 2007] by closing this gap for untangling trees. In particular, we show that for infinitely many values of n, there is an n-vertex geometric tree that cannot be untangled while keeping more than 3(n^{1/2}-1) vertices fixed. Moreover, we improve the lower bound to (n/2)^{1/2}.
description: 14 pages, 7 figures
Temporal Correlation of Interference in Vehicular Networks with Shifted-Exponential Time Headways
Creators: name: Koufos, Konstantinos
name: Dettmann, Carl P.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: We consider a one-dimensional vehicular network where the time headway (time difference between successive vehicles as they pass a point on the roadway) follows the shifted-exponential distribution. We show that neglecting the impact of shift in the deployment model, which degenerates the distribution of vehicles to a Poisson Point Process, overestimates the temporal correlation of interference at the origin. The estimation error becomes large at high traffic conditions and small time-lags.
description: 4 pages, 4 figures
Exact Path Integrals by Equivariant Cohomology
Creators: name: Dykstra, Hans
name: Lykken, Joe
name: Raiten, Eric
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: It is a common belief among field theorists that path integrals can be computed exactly only in a limited number of special cases, and that most of these cases are already known. However recent developments, which generalize the WKBJ method using equivariant cohomology, appear to contradict this folk wisdom. At the formal level, equivariant localization would seem to allow exact computation of phase space path integrals for an arbitrary partition function! To see how, and if, these methods really work in practice, we have applied them in explicit quantum mechanics examples. We show that the path integral for the 1-d hydrogen atom, which is not WKBJ exact, is localizable and computable using the more general formalism. We find however considerable ambiguities in this approach, which we can only partially resolve. In addition, we find a large class of quantum mechanics examples where the localization procedure breaks down completely.
description: LATEX
Complex System Assembly Underlies a Two-Tiered Model of Highly Delocalized Electrons
Creators: name: Mompeán, Miguel
name: Nogales, Aurora
name: Ezquerra, Tiberio A.
name: Laurents, Douglas V.
Publisher: name: Zenodo
Year: 2016

description: This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry Letters, Copyright © 2016 American Chemical Society, after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jpclett.6b00699
Cleminius, H. G
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: St. Petersburg
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
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Cross-Domain Image Matching with Deep Feature Maps
Creators: name: Kong, Bailey
name: Supancic, James
name: Ramanan, Deva
name: Fowlkes, Charless C.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: We investigate the problem of automatically determining what type of shoe left an impression found at a crime scene. This recognition problem is made difficult by the variability in types of crime scene evidence (ranging from traces of dust or oil on hard surfaces to impressions made in soil) and the lack of comprehensive databases of shoe outsole tread patterns. We find that mid-level features extracted by pre-trained convolutional neural nets are surprisingly effective descriptors for this specialized domains. However, the choice of similarity measure for matching exemplars to a query image is essential to good performance. For matching multi-channel deep features, we propose the use of multi-channel normalized cross-correlation and analyze its effectiveness. Our proposed metric significantly improves performance in matching crime scene shoeprints to laboratory test impressions. We also show its effectiveness in other cross-domain image retrieval problems: matching facade images to segmentation labels and aerial photos to map images. Finally, we introduce a discriminatively trained variant and fine-tune our system through our proposed metric, obtaining state-of-the-art performance.
Short-time critical dynamics at perfect and non-perfect surface
Creators: name: Lin, Shizeng
name: Zheng, Bo
Publisher: name: arXiv
Year: 2007
Subjects: subject: Computational Physics (physics.comp-ph)
subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: We report Monte Carlo simulations of critical dynamics far from equilibrium on a perfect and non-perfect surface in the 3d Ising model. For an ordered initial state, the dynamic relaxation of the surface magnetization, the line magnetization of the defect line, and the corresponding susceptibilities and appropriate cumulant is carefully examined at the ordinary, special and surface phase transitions. The universal dynamic scaling behavior including a dynamic crossover scaling form is identified. The exponent $β_1$ of the surface magnetization and $β_2$ of the line magnetization are extracted. The impact of the defect line on the surface universality classes is investigated.
description: 11figures
Burckhardt-Lang, J. L
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Moskau
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Why Do Popular Mechanisms Lack Efficiency in Random Environments?
Creators: name: Kesten, Onur
Publisher: name: Carnegie Mellon University
Year: 1977
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: We consider the problem of randomly assigning n indivisible objects to n agents. Recent research introduced a promising mechanism, the probabilistic serial that has superior efficiency properties than the most common real-life mechanism random priority. On the other hand, mechanisms based on Gale's celebrated top trading cycles method have long dominated the indivisible goods literature (with the exception of the present context) thanks to their outstanding efficiency features. We present an equivalence result between the three kinds of mechanisms, that may help better understand why efficiency differences among popular mechanisms might arise in random environments. This result also suggests that the probabilistic serial and the random priority mechanisms can be viewed as two top trading cycles based mechanisms that essentially differ in the initial conditions of the market before trading starts.
Natural Color Transparency in High Energy (p,pp) Reactions
Creators: name: Jennings, B. K.
name: Miller, G. A.
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: New parameter free calculations including a variety of necessary kinematic and dynamic effects show that the results of BNL $(p,2p)$ measurements are consistent with the expectations of color transparency.
description: latex file, 13 pages, 4 figures appended as ps files, look for "cut here ..." 1993 Univ. of Washington preprint 404427-00-N93-11
title: ADCO, Cinquième cartulaire de Saint-Étienne de Dijon (1664), Cart. 28 (G 132), 258 folios, f. 00304
Creators: name: de la Côte d'Or, Archives départementales
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2012
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Cinquième cartulaire de Saint-Étienne de Dijon (1664), Archives départementales de la Côte-d'Or, Cart. 28 (G 132), 258 folios, f. 00304, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cinquième cartulaire de Saint-Étienne de Dijon (1664), Archives départementales de la Côte-d'Or, Cart. 28 (G 132), 258 folios, f. 00304, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https://manuscrits.cbma-project.eu/
description: Provenance: abbaye Saint-Étienne de Dijon
description: Provenance: http://www.wikidata.org/entity/Q15945019
Dimension-six electroweak top-loop effects in Higgs production and decay
Creators: name: Vryonidou, Eleni
name: Zhang, Cen
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We study the next-to-leading order electroweak corrections to Higgs processes from dimension-six top-quark operators in the Standard Model Effective Field Theory approach. We consider the major production channels, including $WH$, $ZH$, and VBF production at the LHC, and $ZH$, VBF production at future lepton colliders, as well as the major decay channels including $H\to γγ, γZ, Wlν,Zll,b\bar b,μμ,ττ$. The results show that within the current constraints, top-quark operators can shift the signal strength of the loop-induced processes, i.e. $H\to γγ,γZ$, by factors of $\sim\mathcal{O}(1)-\mathcal{O}(10)$, and that of the tree-level processes, i.e. all remaining production and decay channels, by $\sim5-10\%$ at the LHC, and up to $\sim15\%$ at future lepton colliders. This implies that essentially all Higgs channels have started to become sensitive to top-quark couplings, and in particular, Higgs observables at high luminosity LHC as well as future lepton colliders, even below the $t\bar t$ threshold, will improve our knowledge of top-quark couplings. We derive the sensitivities of Higgs measurements to top-quark operators at the high luminosity LHC, using projections for both inclusive and differential measurements. We conclude that treating the dimension-six top-quark sector and the Higgs/electroweak sector separately may not continue to be a good strategy. A global analysis combining Higgs and top-quark measurements is desirable, and our calculation and implementation provide an automatic and realistic simulation tool for this purpose.
description: 38 pages, 9 figures, version accepted by JHEP
Higher derivative quartic vertex of $f(R)$ gravity in light-cone gauge
Creators: name: Mali, Mahendra
name: Shankaranarayanan, S.
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In the recent studies of four-dimensional Einstein-Hilbert action, quite a few interesting results such as the Kawai-Lewellen-Tye (KLT) relations, MHV-Lagrangian and quadratic forms have been reported. These results naturally raise an important question: Whether these results are valid for the modified theories of gravity in 4-dimensions? In this work, we consider $R+α\,R^2$ gravity and derive the complete quartic interaction vertex in light-cone gauge. We then discuss the implications of the results for KLT relations, and computing MHV amplitudes.
description: 14 pages
The pion quasiparticle in the low-temperature phase of QCD
Creators: name: Brandt, Bastian B.
name: Francis, Anthony
name: Meyer, Harvey B.
name: Robaina, Daniel
name: Zapp, Kai
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We extend our previous studies [PhysRevD.90.054509, PhysRevD.92.094510] of the pion quasiparticle in the low-temperature phase of two-flavor QCD with support from chiral effective theory. This includes the analysis performed on a finite temperature ensemble of size $20\times 64^3$ at $T\approx 151$MeV and a lighter zero-temperature pion mass $m_π \approx 185$ MeV. Furthermore, we investigate the Gell-Mann--Oakes-Renner relation at finite temperature and the Dey-Eletsky-Ioffe mixing theorem at finite quark mass.
description: 8 pages, 5 figures, talk presented at 35th annual International Symposium on Lattice Field Theory, 18-24 June 2017, Granada, Spain
Canals, La Tour
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Toulouse
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
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title: Historische Dokumente erschließen leicht gemacht: Ein Crashkurs zur Transkriptions­plattform eScriptorium
title: Research Data Management Seminars
titleType: Subtitle
Creators: name: Kamlah, Jan
name: Schmidt, Thomas
name: Will, Larissa
Publisher: name: Zenodo
Year: 2024

description: Präsentation im Rahmen der "Research Data Management Seminars" der Universitätsbibliothek Mannheim.
Huber, Chph, zum Rosenkranz
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Basel
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
Symmetry Breaking in the Double-Well Hermitian Matrix Models
Creators: name: Brower, Richard C.
name: Deo, Nevidita
name: Jain, Sanjay
name: Tan, Chung-I
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study symmetry breaking in $Z_2$ symmetric large $N$ matrix models. In the planar approximation for both the symmetric double-well $ϕ^4$ model and the symmetric Penner model, we find there is an infinite family of broken symmetry solutions characterized by different sets of recursion coefficients $R_n$ and $S_n$ that all lead to identical free energies and eigenvalue densities. These solutions can be parameterized by an arbitrary angle $θ(x)$, for each value of $x = n/N < 1$. In the double scaling limit, this class reduces to a smaller family of solutions with distinct free energies already at the torus level. For the double-well $ϕ^4$ theory the double scaling string equations are parameterized by a conserved angular momentum parameter in the range $0 \le l < \infty$ and a single arbitrary $U(1)$ phase angle.
description: 23 pages and 4 figures, Preprint No. CERN-TH.6611/92, Brown HET-863, HUTP -- 92/A035, LPTHE-Orsay: 92/29
Iselin, J. L. (=Iselin-Forcart)
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Basel
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
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Treatment of Constraints in Stochastic Quantization Method and Covariantized Langevin Equation
Creators: name: Ikegami, K.
name: Kimura, T.
name: Mochizuki, R.
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the treatment of the constraints in stochastic quantization method. We improve the treatment of the stochastic consistency condition proposed by Namiki et al. by suitably taking account of the Ito calculus. Then we obtain an improved Langevin equation and the Fokker-Planck equation which naturally leads to the correct path integral quantization of the constrained system as the stochastic equilibrium state. This treatment is applied to $O(N)$ non-linear $σ$ model and it is shown that singular terms appearing in the improved Langevin equation cancel out the $δ^n(0)$ divergences in one loop order. We also ascertain that the above Langevin equation, rewritten in terms of independent variablesis, actually equivalent to the one in the general-coordinate-transformation-covariant and vielbein-rotation-invariant formalism.
description: 20 pages (Plain TeX), 4 figures(not included, sorry!), CHIBA-EP-57
Second-Order Approximate Symmetries of the Geodesic Equations for the Reissner-Nordström Metric and Re-Scaling of Energy of a Test Particle
Creators: name: Hussain, Ibrar
name: Mahomed, Fazal M.
name: Qadir, Asghar
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: Following the use of approximate symmetries for the Schwarzschild spacetime by A.H. Kara, F.M. Mahomed and A. Qadir (Nonlinear Dynam., to appear), we have investigated the exact and approximate symmetries of the system of geodesic equations for the Reissner-Nordström spacetime (RN). For this purpose we are forced to use second order approximate symmetries. It is shown that in the second-order approximation, energy must be rescaled for the RN metric. The implications of this rescaling are discussed.
description: This is a contribution to the Proc. of the Seventh International Conference ''Symmetry in Nonlinear Mathematical Physics'' (June 24-30, 2007, Kyiv, Ukraine), published in SIGMA (Symmetry, Integrability and Geometry: Methods and Applications) at http://www.emis.de/journals/SIGMA/
Looking for the left sneutrino LSP with displaced-vertex searches
Creators: name: Lara, Inaki
name: Lopez-Fogliani, Daniel E.
name: Munoz, Carlos
name: Nagata, Natsumi
name: Otono, Hidetoshi
name: de Austri, Roberto Ruiz
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We analyze a displaced dilepton signal expected at the LHC for a tau left sneutrino as the lightest supersymmetric particle with a mass in the range $45$-$100$ GeV. The sneutrinos are pair produced via a virtual $W$, $Z$ or $γ$ in the $s$ channel and, given the large value of the tau Yukawa coupling, their decays into two dileptons or a dilepton plus missing transverse energy from neutrinos can be significant. The discussion is carried out in the $μν$SSM, where the presence of $R$-parity violating couplings involving right-handed neutrinos solves the $μ$ problem and can reproduce the neutrino data. To probe the tau left sneutrinos we compare the predictions of the $μν$SSM with the ATLAS search for long-lived particles using displaced lepton pairs in $pp$ collisions at $\sqrt s= 8$ TeV, allowing us to constrain the parameter space of the model. We also consider an optimization of the trigger requirements used in existing displaced-vertex searches by means of a High Level Trigger that exploits tracker information. This optimization is generically useful for a light metastable particle decaying into soft charged leptons. The constraints on the sneutrino turn out to be more stringent. We finally discuss the prospects for the $13$ TeV LHC searches as well as further potential optimizations.
description: Version published in PRD, discussions expanded, references added, LEP and LHC constraints discussed in more detail, 29 pages, 9 figures, 9 tables
Proton structure function at small Q^2
Creators: name: Donnachie, A
name: Landshoff, P V
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: A fit is made to the data for the proton structure function up to Q^2=10 GeV^2, including the real gamma p total cross-section. It is economical and simple, and its form is motivated by physical principles. It is extrapolated down to very small values of x. Data for the ratio (nu W_2^n/nu W_2^p) are also fitted. A FORTRAN program for the fit to (nu W_2^p) is available by email on request Figure 5 from the original version has been deleted.
description: 10 pages plus 9 figures
Adaptive synchronisation of unknown nonlinear networked systems with prescribed performance
Creators: name: Hashim, Hashim A.
name: El-Ferik, Sami
name: Lewis, Frank L.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Optimization and Control (math.OC)
subject: Systems and Control (eess.SY)
subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper proposes an adaptive tracking control with prescribed performance function for distributive cooperative control of highly nonlinear multi-agent systems. The use of such approach confines the tracking error within a large predefined set to a predefined smaller set. The key idea is to transform the constrained system into unconstrained one through the transformation of the output error. Agents' dynamics are assumed unknown, and the controller is developed for a strongly connected structured network. The proposed controller allows all agents to follow the trajectory of the leader node, while satisfying the necessary dynamic requirements. The proposed approach guarantees uniform ultimate boundedness for the transformed error as well as a bounded adaptive estimate of the unknown parameters and dynamics. Simulations include two examples to validate the robustness and smoothness of the proposed controller against highly nonlinear heterogeneous multi-agent system with uncertain time-variant parameters and external disturbances. Keywords: Prescribed performance, Transformed error, Multi-agents, Distributed adaptive control, Adaptive Consensus, Transient, Steady-state error, Semi-global asymptotic stability, uniformly ultimately bounded, Nonlinear Networked Systems, Distributed Control, Robustness.
description: arXiv admin note: text overlap with arXiv:1802.07253
Why do Firms Gravitate to Selective Disclosure?
Creators: name: Jorgensen, Bjorn N.
name: Li, Jing
name: Melumad, Nahum
Publisher: name: Carnegie Mellon University
Year: 1993
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: In this paper, we present a theoretical model to explain why firms gravitate to selective disclosure. We consider a setting where a firm chooses its disclosure policy to maximize its price informativeness (i.e., how much information is impounded in the price, measured by the posterior precision of true value conditional on the price) in a market with different types of traders. Through ex-ante acquisition of expertise, traders become sophisticated and improve their ability to better interpret the information disclosed by the firm. We show that firms sometimes prefer to disclose information selectively, providing information only to sophisticated traders, rather than to the public. The primary reason is that selective disclosure promotes the ex-ante expertise acquisition among traders. Consequently, under selective disclosure, the aggregate information quality is overall higher and prices are more informative than under public disclosure. However, selective disclosure may reduce uninformed investor welfare.
Quantum conditional relative entropy and quasi-factorization of the relative entropy
Creators: name: Capel, Angela
name: Lucia, Angelo
name: Pérez-García, David
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Physics (quant-ph)
subject: Information Theory (cs.IT)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The existence of a positive log-Sobolev constant implies a bound on the mixing time of a quantum dissipative evolution under the Markov approximation. For classical spin systems, such constant was proven to exist, under the assumption of a mixing condition in the Gibbs measure associated to their dynamics, via a quasi-factorization of the entropy in terms of the conditional entropy in some sub-$σ$-algebras. In this work we analyze analogous quasi-factorization results in the quantum case. For that, we define the quantum conditional relative entropy and prove several quasi-factorization results for it. As an illustration of their potential, we use one of them to obtain a positive log-Sobolev constant for the heat-bath dynamics with product fixed point.
description: v2: Final version, minor changes, 39 pages, 2 figures
DeepGauge: Multi-Granularity Testing Criteria for Deep Learning Systems
Creators: name: Ma, Lei
name: Juefei-Xu, Felix
name: Zhang, Fuyuan
name: Sun, Jiyuan
name: Xue, Minhui
name: Li, Bo
name: Chen, Chunyang
name: Su, Ting
name: Li, Li
name: Liu, Yang
name: Zhao, Jianjun
name: Wang, Yadong
Publisher: name: arXiv
Year: 2018
Subjects: subject: Software Engineering (cs.SE)
subject: Cryptography and Security (cs.CR)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Deep learning (DL) defines a new data-driven programming paradigm that constructs the internal system logic of a crafted neuron network through a set of training data. We have seen wide adoption of DL in many safety-critical scenarios. However, a plethora of studies have shown that the state-of-the-art DL systems suffer from various vulnerabilities which can lead to severe consequences when applied to real-world applications. Currently, the testing adequacy of a DL system is usually measured by the accuracy of test data. Considering the limitation of accessible high quality test data, good accuracy performance on test data can hardly provide confidence to the testing adequacy and generality of DL systems. Unlike traditional software systems that have clear and controllable logic and functionality, the lack of interpretability in a DL system makes system analysis and defect detection difficult, which could potentially hinder its real-world deployment. In this paper, we propose DeepGauge, a set of multi-granularity testing criteria for DL systems, which aims at rendering a multi-faceted portrayal of the testbed. The in-depth evaluation of our proposed testing criteria is demonstrated on two well-known datasets, five DL systems, and with four state-of-the-art adversarial attack techniques against DL. The potential usefulness of DeepGauge sheds light on the construction of more generic and robust DL systems.
description: The 33rd IEEE/ACM International Conference on Automated Software Engineering (ASE 2018)
Jaeger, Wilhelm
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1820

description: Ort: Messina
description: Verzeichnung=Description=Inventaire 05.07.2020 Automatisiert nach HAN-Import
description: Verzeichnung=Description=Inventaire ISAD(G) / HAN Katalogisierungsregeln für Archivbestände Detailliert
A maximum principle for the Muskat problem for fluids with different densities
Creators: name: Cordoba, Diego
name: Gancedo, Francisco
Publisher: name: arXiv
Year: 2007
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We consider the fluid interface problem given by two incompressible fluids with different densities evolving by Darcy's law. This scenario is known as the Muskat problem for fluids with the same viscosities, being in two dimensions mathematically analogous to the two-phase Hele-Shaw cell. We prove in the stable case (the denser fluid is below) a maximum principle for the $L^\infty$ norm of the free boundary.
description: 16 pages
Black College Students Navigating Digital Environments: A Qualitative Analysis of Peer Racial Socialization
Creators: name: Gibson, Stephen
name: Golden, Alexandrea R.
name: Garrett, Shedrick L.
Publisher: name: American Psychological Association (APA)
Year: 2024

description:
This qualitative study examined how Black college students use digital media for peer racial socialization (PRS) within digital environments (e.g., social media, text messaging, and online). Participants were 20 Black undergraduate students between the ages 18 and 25, attending a predominantly White institution. Using the thematic analysis approach, in-depth individual interviews were coded using inductive methods. PRS was revealed to occur in multiple ways, including (a) cultural socialization, (b) cultivating community, (c) processing discrimination, and (d) encouraging resilience. Findings highlight the significance of digital media in supporting social development among Black college students. These results highlight need for continued scholarship examining the processes underlying PRS across multiple domains, and understanding how Black college students are agents supporting their own racial socialization and healthy development with digital media.
Why Capitalism?
Creators: name: Meltzer, Allan
Publisher: name: Carnegie Mellon University
Year: 2011
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: Newspaper headlines during the peak of the housing-credit crisis called it “the end of capitalism” or the end of American capitalism. As often, they greatly over stated and misstated by projecting a serious, temporary decline as a permanent loss of wealth. Capitalist systems have weathered many more serious problems. Capitalism as a guiding system for economic activity has spread over the centuries to now encompass most of the world’s economies. This spread occurred despite almost continuous hostility from many intellectuals and, in recent decades, military threat from avowedly Communist countries.
Social determinants of the nutritional status of female adolescents in The Gambia
Creators: name: Jallow Badjan, Haddy
Publisher: name: Leeds Beckett University
Year: 2024

description: There is global recognition of the impact of malnutrition among adolescent girls on current health, adult health, and the health of subsequent generations. However, there is a dearth of evidence in this area in The Gambia with which to inform effective solutions to this public health issue. The aim of this programme of research was to investigate nutritional status and the individual and wider level determinants among adolescent girls in The Gambia. Three interrelated studies were conducted to address the overall aims. A systematic review (study 1) examined prevalence and determinants of nutritional status among female adolescents in low- and middle-income countries (LMICs). Study 1 revealed multiple determinants (including age, nutrition knowledge, unfavourable eating habits, parental occupation, and setting) of a triple burden of malnutrition (undernutrition, overnutrition and micronutrient deficiencies) among girls in LMICs. The review confirmed the need to conduct primary research among female adolescents in urban and rural Gambia. A pilot study (study 2) involving 32 adolescent girls was conducted. Four focus groups discussions were held to understand views on cultural contexts relevant to nutritional status, optimal recruitment methods, and feasibility and acceptability data collection methods. Questionnaires were administered and physical measures conducted to assess the quality and plausibility of the data obtained (health, diet, physical activity, and nutritional status outcomes, and potential individual and wider-level influences on nutritional status). Findings suggested the main study (Study 3) would be feasible but required mitigation of challenges such as potential refusal to participate linked to fear of injections and distrust of research. Study 3 assessed individual and wider-level influences on nutritional status (including anaemia, weight status, and stunting) defined from anthropometric indices and biomarker measures among 208 adolescent girls. The prevalence of anaemia, underweight, and stunting were 36%, 33%, and 31% respectively, and 26% of participants experienced overweight. Determinants of undernutrition at the individual level included younger age, lack of parasitic worm treatment, and low nutrition awareness. For example, in fully adjusted logistic regression models, the odds of undernutrition (95% confidence intervals) among younger (10-14 years) compared to older (15-19 years) adolescents was 2.44 (1.137 to 5.242); p=0.022. Wider determinants of malnutrition include the availability of electricity, and rural or urban settings. This programme of research identified various individual, household, community, and national level determinants contributing to the triple burden of malnutrition in LMICs, including The Gambia. Adolescence is a critical developmental stage requiring more attention, including targeted nutrition related programmes and policies.
Measurement and simulation of two-phase CO$_2$ cooling for the AFTER electronics of the Micromegas modules for a Large Prototype of a Time Projection Chamber
Creators: name: Bhattacharya, Deb Sankar
name: Attie, David
name: Colas, Paul
name: Mukhopadhyay, Supratik
name: Majumdar, Nayana
name: Bhattacharya, Sudeb
name: Sarkar, Sandip
name: Bhattacharya, Aparajita
name: Ganjour, Serguei
Publisher: name: arXiv
Year: 2018
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: The readout electronics of a Micromegas (MM) module consume nearly 26 W of electric power, which causes the temperature of electronic board to increase upto $70\,^{\circ}{\rm C}$. Increase in temperature results in damage of electronics. Development of temperature gradient in the Time Projection Chamber (TPC) may affect precise measurement as well. Two-phase CO$_2$ cooling has been applied to remove heat from the MM modules during two test beam experiments at DESY, Hamburg. Following the experimental procedure, a comprehensive study of the cooling technique has been accomplished for a single MM module by means of numerical simulation. This paper is focused to discuss the application of two-phase CO$_2$ cooling to keep the temperature below $30\,^{\circ}{\rm C}$ and stabilized within $0.2\,^{\circ}{\rm C}$.
Derived equivalences of K3 surfaces and orientation
Creators: name: Huybrechts, Daniel
name: Macri, Emanuele
name: Stellari, Paolo
Publisher: name: arXiv
Year: 2007
Subjects: subject: Algebraic Geometry (math.AG)
subject: Category Theory (math.CT)
subject: FOS: Mathematics

description: Every Fourier--Mukai equivalence between the derived categories of two K3 surfaces induces a Hodge isometry of their cohomologies viewed as Hodge structures of weight two endowed with the Mukai pairing. We prove that this Hodge isometry preserves the natural orientation of the four positive directions. This leads to a complete description of the action of the group of all autoequivalences on cohomology very much like the classical Torelli theorem for K3 surfaces determining all Hodge isometries that are induced by automorphisms.
description: This version only contains the proof that every equivalence between the derived categories of two K3 surfaces induces an orientation preserving Hodge isometry. The more formal aspects of our proof contained in the first sections of arXiv:0710.1645v2 appear now in the independent paper arXiv:0809.3201. 29 pages. Final version to appear in Duke Math. J