cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Charge and Spin Transport in the One-dimensional Hubbard Model
Creators: name: Gu, Shi-Jian
name: Peres, Nuno M. R.
name: Carmelo, Jose M. P.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In this paper we study the charge and spin currents transported by the elementary excitations of the one-dimensional Hubbard model. The corresponding current spectra are obtained by both analytic methods and numerical solution of the Bethe-ansatz equations. For the case of half-filling, we find that the spin-triplet excitations carry spin but no charge, while charge $η$-spin triplet excitations carry charge but no spin, and both spin-singlet and charge $η$-spin-singlet excitations carry neither spin nor charge currents.
description: 24 pages, 14 figures
Line Shapes of the Z(4430)
Creators: name: Braaten, Eric
name: Lu, Meng
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The Belle Collaboration recently discovered the first manifestly exotic meson: Z^+(4430), which decays into psi' pi^+ and therefore has quark content c c-bar u d-bar. The proximity of its mass to the D_1 D-bar^* threshold has motivated the interpretation of the Z^+ as a charm meson molecule whose constituents are an S-wave superposition of D_1^+ D-bar^{*0}$ and D^{*+} D-bar_1^0$. If this interpretation is correct, the small ratio of the binding energy of the Z^+ to the width Gamma_1 of its constituent D_1 can be exploited to predict properties of its line shapes. Its full width at half maximum in the channel psi' pi^+ should be approximately sqrt{3} Gamma_1 = 35 MeV, which is consistent with the measured width of the Z^+. The Z^+ should also decay into D^* D-bar^* pi through decay of its constituent D_1. The peak in the line shape for D^* D-bar^* pi should be at a higher energy than the peak in the line shape for psi' pi^+ by about Gamma_1/sqrt{12} = 6 MeV. The line shape in D^* D-bar^* pi should also be broader and asymmetric, with a shoulder on the high energy side that can be attributed to a threshold enhancement in the production of D_1 D-bar^*.
description: 4 pages, 1 figure
Calculation of UNil for the cyclic group of order two
Creators: name: Khan, Qayum
Publisher: name: arXiv
Year: 2007
Subjects: subject: Algebraic Topology (math.AT)
subject: K-Theory and Homology (math.KT)
subject: FOS: Mathematics
subject: 57R67, 57N65

description: Cappell's unitary nilpotent groups UNil(R;R,R) are calculated for the integral group ring R=Z[C_2] of the cyclic group C_2 of order two. Specifically, they are determined as modules over the Verschiebung algebra V using the Connolly--Ranicki isomorphism and the Connolly--Davis relations.
description: 15 pages
Lessons Learned: Using Contextual Inquiry Analysis to Improve PDA Control of Presentations
Creators: name: Cross, Karen
name: Warmack, Adrienne
name: Myers, Brad
Publisher: name: Carnegie Mellon University
Year: 1999
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: Contextual Inquiry is a method developed by Beyer and Holtzblatt for grounding design in the context of the work being performed. In this paper, we describe how we adapted the method successfully to perform analyses of pre-existing videotaped presentations. Our goal was to find improvements for a slide presentation program currently in development, called ‘SlideShow Commander,’ which runs on hand-held "Personal Digital Assistants" (PDAs). Contextual Inquiry provided meaningful data on the structures and typical problems found in presentations, on which we based our design ideas. We then further analyzed the Contextual Inquiry data, beyond what Beyer and Holtzblatt suggest. This new step provided a means to prioritize the design suggestions, as well as a way to motivate the potential commercial usefulness of the software. Deciding upon the value and direction of further effort is essential for software development; by using our adapted form of Contextual Inquiry, we were able to make and defend these decisions.
SPALTUNG DER GESELLSCHAFT DURCH MISSTRAUEN
Creators: name: Kirsch, Peter
name: Kube, Hanno
name: Zohlnhöfer, Reimut
Publisher: name: Ruperto Carola
Year: 2021

description: Damit das Zusammenleben von Menschen in einem Gemeinwesen funktionieren kann, sind formelle wie auch informelle Regeln nötig. Doch was passiert, wenn Menschen sich aus übergeordneten Gründen nicht (mehr) an Regeln gebunden fühlen, sich darüber hinwegsetzen und die Gemeinschaft damit spalten? Unter anderem am Beispiel der Proteste gegen Corona-Maßnahmen gehen Heidelberger Wissenschaftler aus den Bereichen Psychologie, Rechts- und Politikwissenschaft den Gründen, den Folgen und dem Ausmaß sogenannter gesellschaftlicher Selbstermächtigung auf den Grund und erörtern mögliche Gegenmaßnahmen.
description: Ruperto Carola, Nr. 18 (2021): Verbinden & Spalten
Extended $r$-spin theory and the mirror symmetry for the $A_{r-1}$-singularity
Creators: name: Buryak, Alexandr
Publisher: name: arXiv
Year: 2018
Subjects: subject: Algebraic Geometry (math.AG)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: By a famous result of K. Saito, the parameter space of the miniversal deformation of the $A_{r-1}$-singularity carries a Frobenius manifold structure. The Landau-Ginzburg mirror symmetry says that, in the flat coordinates, the potential of this Frobenius manifold is equal to the generating series of certain integrals over the moduli space of $r$-spin curves. In this paper we show that the parameters of the miniversal deformation, considered as functions of the flat coordinates, also have a simple geometric interpretation using the extended $r$-spin theory, first considered by T. J. Jarvis, T. Kimura and A. Vaintrob, and studied in a recent paper of E. Clader, R. J. Tessler and the author. We prove a similar result for the singularity $D_4$ and present conjectures for the singularities $E_6$ and $E_8$.
description: v3: minor changes following referee's remarks, 16 pages
Supplementary document for Color screening outcomes on uncalibrated ‘home’ displays – assessment of variability in sRGB color standard parameters on commercial visual displays - 7369738.pdf
Creators: name: Evans, Benjamin
name: Carmona, Marisa Rodriguez
name: Llapashtica, Emsal
name: Barbur, John
Publisher: name: Optica Publishing Group
Year: 2025
Subjects: Computer Hardware not elsewhere classified

description: The manufacturer and model of the visual displays used in the study
KINDLICHES LEID IN HEIMEN
Creators: name: Rotzoll, Maike
Publisher: name: Ruperto Carola
Year: 2021

description: Erst im 21. Jahrhundert rückte in Deutschland ein lange unbeachtet gebliebenes Thema des 20. Jahrhunderts in den Blickpunkt der Öffentlichkeit: der oft leidvolle Alltag von Kindern und Jugendlichen, die in Heimen oder in der Psychiatrie untergebracht waren. Diese besonders verwundbare und aus der Gesellschaft ausgeschlossene Gruppe war nicht nur Gewalt und Vernachlässigung ausgesetzt, sondern an ihr wurden auch – teilweise ohne Einwilligung – neue Arzneimittel erprobt. An der wissenschaftlichen Untersuchung dieser jahrzehntelangen Praktiken sind auch Medizinhistoriker*innen der Universität Heidelberg beteiligt. Die Aufarbeitung und Anerkennung von Leid und Unrecht soll dort gesellschaftliche Aufmerksamkeit erzeugen, wo zu lange Nichtbeachtung und Spaltung herrschten.
description: Ruperto Carola, Nr. 18 (2021): Verbinden & Spalten
Comment on the history of the stretched exponential function
Creators: name: Cardona, Manuel
name: Chamberlin, Ralph V.
name: Marx, Werner
Publisher: name: arXiv
Year: 2007
Subjects: subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: The original article of Rudolf Kohlrausch (1854) on stretched exponentials and their application to describe relaxation phenomena has been often misquoted in the literature after its rediscovery around 1984. We discuss here this fact and attempt to set the record straight.
description: 5 pages, 2 figures, 1 table
Convex projective surfaces with compatible Weyl connection are hyperbolic
Creators: name: Mettler, Thomas
name: Paternain, Gabriel P.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: We show that a properly convex projective structure $\mathfrak{p}$ on a closed oriented surface of negative Euler characteristic arises from a Weyl connection if and only if $\mathfrak{p}$ is hyperbolic. We phrase the problem as a non-linear PDE for a Beltrami differential by using that $\mathfrak{p}$ admits a compatible Weyl connection if and only if a certain holomorphic curve exists. Turning this non-linear PDE into a transport equation, we obtain our result by applying methods from geometric inverse problems. In particular, we use an extension of a remarkable $L^2$-energy identity known as Pestov's identity to prove a vanishing theorem for the relevant transport equation.
description: 23 pages, added Corollary 4.6, references updated, typos corrected
Ramification groups of coverings and valuations
Creators: name: Saito, Takeshi
Publisher: name: arXiv
Year: 2018
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14B25, 11S15

description: We give a purely scheme theoretic construction of the filtration by ramification groups of the Galois group of a covering. The valuation need not be discrete but the normalizations are required to be locally of complete intersection.
description: 44 pages
WENN BEZIEHUNGEN ZUR GEFAHR WERDEN
Creators: name: Ditzen, Beate
name: Eckstein, Monika
name: Klein, Thomas
Publisher: name: Ruperto Carola
Year: 2021

description: Als soziales Wesen ist der Mensch abhängig davon, von anderen umgeben zu sein und sich eingebunden in eine Gemeinschaft zu fühlen. Die Ab- stands- und Hygieneregeln, die das Corona-Virus uns aufzwingt, machen allerdings die Erfüllung dieses Grundbedürfnisses schwierig bis unmöglich. Erschwerend kommt hinzu, dass seit Beginn der Pandemie Berührungen und Körperkontakte, die eigentlich die körperliche Stressantwort vermindern, weil sie als Zeichen der sozialen Einbindung wahrgenommen werden, nun mit schlimmstenfalls tödlicher Gefahr assoziiert werden. Welche Folgen für Psyche und Gesundheit all das hat, untersuchen Heidelberger Wissenschaftler*innen aus der Medizinischen Psychologie und der Soziologie in einem interdisziplinären Forschungsprojekt.
description: Ruperto Carola, Nr. 18 (2021): Verbinden & Spalten
MOLEKULARE ANSTANDSDAMEN AM WERK
Creators: name: Bukau, Bernd
Publisher: name: Ruperto Carola
Year: 2021

description: Proteine sind zentrale Moleküle des Lebens. Ihrer Kontrolle und Regulation kommt deshalb eine besondere Bedeutung zu. Entscheidenden Anteil daran haben „molekulare Anstandsdamen“, sogenannte Chaperone. Sie prüfen nicht nur das Aussehen und das Verhalten der Proteine, sondern mustern auch konsequent defekte Moleküle aus, die der Zelle gefährlich werden können. Sie können sich auch zu molekularen Maschinen zusam- menschließen und Proteinaggregate auflösen. Solche Verklumpungen finden sich beispielsweise in gealterten und gestressten Zellen sowie in den Nervenzellen von Menschen, die an Alzheimer oder Parkinson erkrankt sind.
description: Ruperto Carola, Nr. 18 (2021): Verbinden & Spalten
Resurgence and Hydrodynamic Attractors in Gauss-Bonnet Holography
Creators: name: Casalderrey-Solana, Jorge
name: Gushterov, Nikola I.
name: Meiring, Ben
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the convergence of the hydrodynamic series in the gravity dual of Gauss-Bonnet gravity in five dimensions with negative cosmological constant via holography. By imposing boost invariance symmetry, we find a solution to the Gauss-Bonnet equation of motion in inverse powers of the proper time, from which we can extract high order corrections to Bjorken flow for different values of the Gauss-Bonnet parameter $λ_{GB}$. As in all other known examples the gradient expansion is, at most, an asymptotic series which can be understood through applying the techniques of Borel-Padé summation. As expected from the behaviour of the quasi-normal modes in the theory, we observe that the singularities in the Borel plane of this series show qualitative features that interpolate between the infinitely strong coupling limit of $\mathcal{N}=4$ Super Yang Mills theory and the expectation from kinetic theory. We further perform the Borel resummation to constrain the behaviour of hydrodynamic attractors beyond leading order in the hydrodynamic expansion. We find that for all values of $λ_{GB}$ considered, the convergence of different initial conditions to the resummation and its hydrodynamization occur at large and comparable values of the pressure anisotropy.
description: 34 pages, 21 figures. Coefficients for the gradient expansion of the energy density provided
GEGEN DAS GROSSE VERGESSEN
Creators: name: Kuhse, Jochen
Publisher: name: Ruperto Carola
Year: 2021

description: Weltweit leiden rund 45 Millionen Menschen an „Alzheimer“, einer schweren Erkrankung, bei der Nervenzellen zugrunde gehen, weil sich giftige Spaltprodukte von Proteinen im Gehirn ablagern. Die Alzheimer-Forschung hat auf Teilgebieten enorme Fortschritte erzielt, dennoch gibt es bis heute keine ursächliche Therapie. Das Zusammenführen der Einzelerkenntnisse zu einem großen Ganzen könnte womöglich den Durchbruch erbringen.
description: Ruperto Carola, Nr. 18 (2021): Verbinden & Spalten
Spitzer-IRS high resolution spectroscopy of the 12μm Seyfert galaxies: I. First results
Creators: name: Tommasin, Silvia
name: Spinoglio, Luigi
name: Malkan, Matthew A.
name: Smith, Howard
name: Gonzalez-Alfonso, Eduardo
name: Charmandaris, Vassilis
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The first high resolution Spitzer IRS 9-37um spectra of 29 Seyfert galaxies (about one quarter) of the 12um Active Galaxy Sample are presented and discussed. The high resolution spectroscopy was obtained with corresponding off-source observations. This allows excellent background subtraction, so that the continuum levels and strengths of weak emission lines are accurately measured. The result is several new combinations of emission line ratios, line/continuum and continuum/continuum ratios that turn out to be effective diagnostics of the strength of the AGN component in the IR emission of these galaxies. The line ratios [NeV]/[NeII], [OIV]/[NeII], already known, but also [NeIII]/[NeII] and [NeV]/[SiII] can all be effectively used to measure the dominance of the AGN. We extend the analysis, already done using the 6.2um PAH emission feature, to the equivalent width of the 11.25um PAH feature, which also anti-correlates with the dominance of the AGN. We measure that the 11.25um PAH feature has a constant ratio with the H_2 S(1) irrespective of Seyfert type, approximately 10 to 1. Using the ratio of accurate flux measurements at about 19um with the two spectrometer channels, having aperture areas differing by a factor 4, we measured the source extendness and correlated it with the emission line and PAH feature equivalent widths. The extendness of the source gives another measure of the AGN dominance and correlates both with the EWs of [NeII] and PAH emission. Using the rotational transitions of H$_2$ we were able to estimate temperatures (200-300K) and masses (1-10 x 10^6 M_sun), or significant limits on them, for the warm molecular component in the galaxies observed.
description: submitted to ApJ, Aug.2007, revised, in the refereeing process
EINE UNHEILVOLLE VERBINDUNG
Creators: name: Bading, Hilmar
Publisher: name: Ruperto Carola
Year: 2021

description: Ein molekularer Todeskomplex, der entsteht, wenn sich zwei wichtige signalübermittelnde Proteine im Körper miteinander verbinden, scheint hauptverantwortlich für schwere neurodegenerative Erkran­ kungen zu sein. Ein an der Universität Heidelberg entdeckter Wirkstoff verspricht, die Partner voneinander zu trennen und die unheilvolle Liaison aufzulösen. Auf diese Weise lässt sich das stetige und bislang unaufhaltsame Sterben von Nervenzellen möglicherweise aufhalten.
description: Ruperto Carola, Nr. 18 (2021): Verbinden & Spalten
Dominant production of heavier Higgs bosons through vector boson fusion in NMSSM
Creators: name: Das, Debottam
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the features of the additional Higgs bosons in the Next-to-Minimal Supersymmetric Standard Model where the lightest beyond Standard Model Higgs boson does not dominantly couple to up-type quarks. The new state is dominantly singlet-like while it can also accommodate a small down-type Higgs component. The gluon-gluon fusion cannot be adequate enough for such a Higgs production. We show that the vector-boson fusion may become the leading production mechanism to probe this new scalar at the LHC. Using the existing 13 TeV LHC data for an integrated luminosity $36.1~fb^{-1}$, we show the LHC constraints on the parameter space. Finally, we also study the reach of the planned high luminosity LHC (${\mathcal L}=3~{\rm ab}^{-1}$ at $\sqrt s=$~14 TeV) and the proposed high energy upgrade of the LHC (${\mathcal L}=15~{\rm ab}^{-1}$ at $\sqrt s=$~27 TeV) to probe this singlet-like Higgs scalar.
description: New figures added, text substantially modified
Lessons Learned from the Deployment of a Smartphone-Based Access-Control System
Creators: name: Lujo  Bauer
name: Cranor, Lorrie F
name: Reiter, Michael K
name: Vaniea, Kami
Publisher: name: Carnegie Mellon University
Year: 2007
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: Grey is a smartphone-based system by which a user can exercise her authority to gain access to rooms in our university building, and by which she can delegate that authority to other users.We present findings from a trial of Grey, with emphasis on how common usability principles manifest themselves in a smartphone-based security application. In particular, we demonstrate aspects of the system that gave rise to failures, misunderstandings, misperceptions, and unintended uses; network effects and new flexibility enabled by Grey; and the implications of these for user behavior.We argue that the manner in which usability principles emerged in the context of Grey can inform the design of other such applications.
Heteronuclear molecules in an optical dipole trap
Creators: name: Zirbel, J. J.
name: Ni, K. -K.
name: Ospelkaus, S.
name: Nicholson, T. L.
name: Olsen, M. L.
name: Wieman, C. E.
name: Ye, J.
name: Jin, D. S.
name: Julienne, P. S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We report on the creation and characterization of heteronuclear KRb Feshbach molecules in an optical dipole trap. Starting from an ultracold gas mixture of K-40 and Rb-87 atoms, we create as many as 25,000 molecules at 300 nK by rf association. Optimizing the association process, we achieve a conversion efficiency of 25%. We measure the temperature dependence of the rf association process and find good agreement with a phenomenological model that has previously been applied to Feshbach molecule creation by slow magnetic-field sweeps. We also present a measurement of the binding energy of the heteronuclear molecules in the vicinity of the Feshbach resonance and provide evidence for Feshbach molecules as deeply bound as 26 MHz.
description: 7 pages, 7 figures
Spin-orbit coupling in bulk GaAs
Creators: name: Fu, J. Y.
name: Weng, M. Q.
name: Wu, M. W.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We study the spin-orbit coupling in the whole Brillouin zone for GaAs using both the $sp^3s^{\ast}d^5$ and $sp^3s^{\ast}$ nearest-neighbor tight-binding models. In the $Γ$-valley, the spin splitting obtained is in good agreement with experimental data. We then further explicitly present the coefficients of the spin splitting in GaAs $L$ and $X$ valleys. These results are important to the realization of spintronic device and the investigation of spin dynamics far away from equilibrium.
description: 8 pages, 3 figures, Physica E, in press
WAS DIE WELT ZUSAMMENHÄLT
Creators: name: Von Stutterheim, Christiane
name: Weidemüller, Matthias
Publisher: name: Ruperto Carola
Year: 2021

description: Die Sprachwissenschaftlerin Christiane von Stutterheim und der Quanten­physiker Matthias Weidemüller sprechen über die verbindende und die spaltende Kraft von Sprache, über den Antagonismus zwischen Konstruktivismus und Reduktionismus in der Physik und über die Problematik einer Gesellschaft, die unversöhnlich in sich gegenseitig abschottende Blasen zerfällt.
description: Ruperto Carola, Nr. 18 (2021): Verbinden & Spalten
HST/WFPC2 imaging of the circumnuclear structure of LLAGNs. I Data and nuclear morphology
Creators: name: Delgado, R. M. Gonzalez
name: Perez, E.
name: Fernandes, R. Cid
name: Schmitt, H.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: To advance our knowledge of the nature of the central source in LLAGNs and its relation with stellar clusters, we are carrying out several imaging projects with HST at near-UV, optical and near-IR wavelengths. In this paper, we present the first results obtained with observations of the central regions of 57 LLAGNs imaged with the WFPC2 through any of the V (F555W, F547M, F614W) and I (F791W, F814W) filters that are available in the HST archive. The sample contains 34% of the LINERs and 36% of the TOs in the Palomar sample. The mean spatial resolution of these images is 10 pc. With these data we have built an atlas that includes structural maps for all the galaxies, useful to identify compact nuclear sources and, additionally, to characterize the circumnuclear environment of LLAGNs, determining the frequency of dust and its morphology. The main results obtained are: 1) We have not found any correlation between the presence of nuclear compact sources and emission-line type. Thus, nucleated LINERs are as frequent as nucleated TOs. 2) The nuclei of "Young-TOs" are brighter than the nuclei of "Old-TOs" and LINERs. These results confirm our previous results that Young-TOs are separated from other LLAGNs classes in terms of their central stellar population properties and brightness. 3) Circumnuclear dust is detected in 88% of the LLAGNs, being almost ubiquitous in TOs. 4) The dust morphology is complex and varied, from nuclear spiral lanes to chaotic filaments and nuclear disk-like structures. Chaotic filaments are as frequent as dust spirals; but nuclear disks are mainly seen in LINERs. These results suggest an evolutionary sequence of the dust in LLAGNs, LINERs being the more evolved systems and Young-TOs the youngest. The full collection of figures are at http://www.iaa.es/~rosa/research/LLAGNs2007/LLAGNs-HSTIma1.html
description: Paper accepted in AJ, pdf file and the full collection of figures are at the ULR: http://www.iaa.es/~rosa/research/LLAGNs2007/LLAGNs-HSTIma1.html
Lessons Learned About One-Way, Dataflow Constraints in the Garnet and Amulet Graphical Toolkits
Creators: name: Zanden, Bradley Vander
name: Halterman, Richard
name: Myers, Brad
name: McDaniel, Richard
name: Miller, Robert
name: Szekely, Pedro
name: Giuse, Dario
name: Kosbie, David
Publisher: name: Carnegie Mellon University
Year: 2001
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: Institute for Software Research
On operators on $C_0(α\times L)$ under the Ostaszewski's $\clubsuit$-principle
Creators: name: Candido, Leandro
Publisher: name: arXiv
Year: 2018
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics

description: For an exotic locally compact Hausdorff space $L$, constructed under the assumption of the Ostaszewski's $\clubsuit$-principle, and a countable ordinal space $α$, we prove that all operators defined on $C_0(α\times L)$ are as simple as possible. We also investigate the geometry of such space $C_0(α\times L)$ and we classify up to isomorphisms all its complemented subspaces.
title: Влияние методов формирования десны на показатели isq
Creators: name: Панцулая, В.Г.
name: Ризаева, С.М.
name: Муслимова, Д.М.
name: Ризаева, О.М.
Publisher: name: Tashkent State Dental Institute
Year: 2021

description: В данной статье приведены сравнительные характеристики показателей первичной стабильности и остеоинтеграции дентальных имплантатов в зависимости от метода формирования десны.Метод ISQ, являясь функциональным методом обследования значительно облегчает работу имплатолога, а именно даёт возможность определить произошла ли остеоинтеграция и какова первичная стабильность имплантата. Что в свою очередь помогает в определение сроков формирования десны и протезирования на дентальные имплантаты хирургу и ортопеду.
Learning to Understand Web Site Update Requests
Creators: name: Cohen, William W.
name: Minkov, Einat
name: Tomasic, Anthony
Publisher: name: Carnegie Mellon University
Year: 2005
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: Although Natural Language Processing (NLP) for requests  for information has been well-studied, there has been little prior work on understanding requests to update information. In this paper, we propose an intelligent system that can process natural language website update requests semi-automatically. In particular, this system can analyze requests, posted via email, to update the factual content of individual tuples in a databasebacked website. Users’ messages are processed using a scheme decomposing their requests into a sequence of entity recognition and text classification tasks. Using a corpus generated by human-subject experiments, we experimentally evaluate the performance of this system, as well as its robustness in handling request types not seen in training, o ruser-specific language styles not seen in training.
GIFT: Guided and Interpretable Factorization for Tensors - An Application to Large-Scale Multi-platform Cancer Analysis
Creators: name: Lee, Jungwoo
name: Oh, Sejoon
name: Sael, Lee
Publisher: name: arXiv
Year: 2018
Subjects: subject: Genomics (q-bio.GN)
subject: Numerical Analysis (math.NA)
subject: FOS: Biological sciences
subject: FOS: Mathematics

description: Given multi-platform genome data with prior knowledge of functional gene sets, how can we extract interpretable latent relationships between patients and genes? More specifically, how can we devise a tensor factorization method which produces an interpretable gene factor matrix based on gene set information while maintaining the decomposition quality and speed? We propose GIFT, a Guided and Interpretable Factorization for Tensors. GIFT provides interpretable factor matrices by encoding prior knowledge as a regularization term in its objective function. Experiment results demonstrate that GIFT produces interpretable factorizations with high scalability and accuracy, while other methods lack interpretability. We apply GIFT to the PanCan12 dataset, and GIFT reveals significant relations between cancers, gene sets, and genes, such as influential gene sets for specific cancer (e.g., interferon-gamma response gene set for ovarian cancer) or relations between cancers and genes (e.g., BRCA cancer - APOA1 gene and OV, UCEC cancers - BST2 gene).
Quantitative modelling approaches for lean manufacturing under uncertainty
Creators: name: Rojas, Tania
name: Mula, Josefa
name: Sanchis, Raquel
Publisher: name: Taylor & Francis
Year: 2023
Subjects: Medicine
Environmental Sciences not elsewhere classified
Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Information Systems not elsewhere classified
Mathematical Sciences not elsewhere classified
Cancer
Science Policy
Computational Biology

description: Lean manufacturing (LM) applies different tools that help to eliminate waste as well as the operations that do not add value to the product or processes to increase the value of each performed activity. Here the main motivation is to study how quantitative modelling approaches can support LM tools even under system and environment uncertainties. The main contributions of the article are: (i) providing a systematic literature review of 99 works related to the modelling of uncertainty in LM environments; (ii) proposing a methodology to classify the reviewed works; (iii) classifying LM works under uncertainty; and (iv) identify quantitative models and their solution to deal with uncertainty in LM environments by identifying the main variables involved. Hence this article provides a conceptual framework for future LM quantitative modelling under uncertainty as a guide for academics, researchers and industrial practitioners. The main findings identify that LM under uncertainty has been empirically investigated mainly in the US, India and the UK in the automotive and aerospace manufacturing sectors using analytical and simulation models to minimise time and cost. Value stream mapping (VSM) and just in time (JIT) are the most used LM techniques to reduce waste in a context of system uncertainty.
Évaluation 1 projet VAG/ Vulnérabilité du patrimoine archéologique et réchauffement global 2014
Creators: name: LabexMed
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2019

description: Évaluation du projet VAG/ Vulnérabilité du patrimoine archéologique et réchauffement global, réalisée en 2014, dans le cadre du programme ATRI, initié par le LabexMed.
Learning to Recognize (Un)Promising Simulated Annealing Runs: Efficient Search Procedures for Job Shop Scheduling and Vehicle Routing
Creators: name: Sadeh, Norman
name: Nakakuki, Yoichiro
name: Thangiah, Sam R.
Publisher: name: Carnegie Mellon University
Year: 1997
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: Simulated Annealing (SA) procedures can potentially yield near- optimal solutions to many difficult combinatorial optimization problems, though often at the expense of intensive computational efforts. The single most significant source of inefficiency in SA search is the inherent stochasticity of the procedure, typically requiring that the procedure be rerun a large number of times before a near-optimal solution is found. This paper describes a mechanism that attempts to learn the structure of the search space over multiple SA runs on a given problem. Specifically, probability distributions are dynami- cally updated over multiple runs to estimate at different checkpoints how promising a SA run appears to be. Based on this mechanism, two types of criteria are developed that aim at increasing search efficiency: (1) a cutoff criterion used to determine when to abandon unpromising runs and (2) restart criteria used to determine whether to start a fresh SA run or restart search in the middle of an earlier run. Experimental results obtained on a class of complex job shop scheduling problems show (1) that SA can produce high quality so- lutions for this class of problems, if run a large number of times, and (2) that our learning mechanism can significantly reduce the computation time required to find high quality solutions to these problems. The results also indicate that, the closer one wants to be to the optimum, the larger the speedups. Similar results obtained on a smaller set of benchmark Vehicle Routing Problems with Time Windows (VRPTW) suggest that our learning mechanisms should help improve the efficiency of SA in a number of dfferent domains.
Deep learning Approach for Classifying, Detecting and Predicting Photometric Redshifts of Quasars in the Sloan Digital Sky Survey Stripe 82
Creators: name: Pasquet-Itam, Johanna
name: Pasquet, Jérôme
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We apply a convolutional neural network (CNN) to classify and detect quasars in the Sloan Digital Sky Survey Stripe 82 and also to predict the photometric redshifts of quasars. The network takes the variability of objects into account by converting light curves into images. The width of the images, noted w, corresponds to the five magnitudes ugriz and the height of the images, noted h, represents the date of the observation. The CNN provides good results since its precision is 0.988 for a recall of 0.90, compared to a precision of 0.985 for the same recall with a random forest classifier. Moreover 175 new quasar candidates are found with the CNN considering a fixed recall of 0.97. The combination of probabilities given by the CNN and the random forest makes good performance even better with a precision of 0.99 for a recall of 0.90. For the redshift predictions, the CNN presents excellent results which are higher than those obtained with a feature extraction step and different classifiers (a K-nearest-neighbors, a support vector machine, a random forest and a gaussian process classifier). Indeed, the accuracy of the CNN within |Δz|<0.1 can reach 78.09%, within |Δz|<0.2 reaches 86.15%, within |Δz|<0.3 reaches 91.2% and the value of rms is 0.359. The performance of the KNN decreases for the three |Δz| regions, since within the accuracy of |Δz|<0.1, |Δz|<0.2 and |Δz|<0.3 is 73.72%, 82.46% and 90.09% respectively, and the value of rms amounts to 0.395. So the CNN successfully reduces the dispersion and the catastrophic redshifts of quasars. This new method is very promising for the future of big databases like the Large Synoptic Survey Telescope.
Measurements of e+e- -> K+K-eta, K+K-pi0 and KsK+pi- Cross Sections Using Initial State Radiation Events
Creators: name: BaBar Collaboration
name: Aubert, B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: This paper reports measurements of processes: e+e- -> gamma KsK+pi-, e+e- -> gamma K+K-pi0, e+e- -> gamma phi eta, and e+e- -> gamma phi pi0. The initial state radiated photon allows to cover the hadronic final state in the energy range from thresholds up to ~4.6 GeV. The overall size of the data sample analyzed is 232 fb-1, collected by the BaBar detector running at the PEP-II e+e- storage ring. From the Dalitz plot analysis of the KsK+pi- final state, moduli and relative phase of the isoscalar and the isovector components of the e+e- -> K K*(892) cross section are determined. Parameters of phi and rho recurrences are also measured, using a global fitting procedure which exploits the interconnection among amplitudes, moduli and phases of the e+e- -> KsK+pi-, K+K-pi0, phi eta final states. The cross section for the OZI-forbidden process e+e- -> phi pi0, and the J/psi branching fractions to KK*(892) and K+K-eta are also measured.
description: 28 pages, 40 Postscript Figures, final version accepted for publication by Phys. Rev. D (replace wrong v2 submitted)
Learning to Predict the Effects of Actions: Synergy Between Rules and Landmarks
Creators: name: Mugan, Jonathan
name: Kuipers, Benjamin
Publisher: name: Carnegie Mellon University
Year: 2007
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: A developing agent must learn the structure of its world, beginning with its sensorimotor world. It learns rules to predict how its motor signals change the sensory input it receives. It learns the limits to its motion. It learns which effects of its actions are unconditional and which effects are conditional, including what they depend on. We present preliminary results evaluating an implemented computational model of this important kind of foundational developmental learning. Our model demonstrates synergy between the learning of landmarks representing important qualitative distinctions, and the learning of rules that exploit those distinctions to make reliable predictions. These qualitative distinctions make it possible to define discrete events, and then to identify predictive rules describing regularities among events and the values of context variables. The attention of the learning agent is focused by a stratified model that structures the set of variables, and the structure of the straby the learning process.
Examining the dynamics of bargaining power in buyer-supplier negotiations: insights from a case study in the German automotive industry
Creators: name: Bodendorf, Frank
name: Franke, Jörg
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy
subject: Plant Biology

description: Buyer-supplier negotiations play a central role in supply chain networks regulating the conditions for the exchange of goods. This paper investigates the relationships between influencing factors and their impact on bargaining power. In a multiple case study, we triangulate secondary data from 12 German automotive suppliers. Following a structural equation modelling approach, bargaining power and the effects of those influencing variables are analysed. Four relationships can be found. (1) The availability of internal resources and the existence of strong buyer-supplier relationships have a positive effect on bargaining power. (2) A positive influence of buyer-supplier relationships on gaining access to internal resources can be identified. (3) External market conditions have a small negative effect on bargaining power. (4) No significant effect can be found looking at the impact of external market conditions on internal resources or buyer-supplier relationships. The findings support theory by showing that internal resources and strong buyer-supplier relationships positively influence bargaining power. Based on these results, managers are advised to prioritise strategic resource allocation, implement win-win strategies, and employ benchmarking techniques to enhance competitiveness and strengthen bargaining positions.
Learning to Navigate Web Forms
Creators: name: Tomasic, Anthony
name: Cohen, William
name: Fussell, Susan
name: Zimmerman, John
name: Kobayashi, Marina
name: Minkov, Einat
name: Halstead, Nathan
name: Mosur, Ravi
name: Hum, Jason
Publisher: name: Carnegie Mellon University
Year: 2004
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: Given a particular update request to a WWW system, users are faced with the navigation  problem of finding the correct form to accomplish the update request. In a large system, such as SAP with about 10,000 relations for the standard installation, users are faced with a sea of thousands of forms to navigate. For familiar tasks, users have various aids, such as personal tool bars, but for more complex tasks, users are forced to search or navigate for the correct form, or forward the update request to a specialist with the expertise to handle the request. In this later case, the execution of the request may be delayed since the specialist may be unavailable, or have other priorities. Also, typically the user and specialist engaged in a time consuming clarification dialog to extract additional information required to complete the request. In this paper we study the problem of building an assistant for the navigation problem for web forms. This assistant can be deployed either directly to a user, or to specialist that receives a stream of requests from users. In the former case the assistant helps the user navigate to the right form. In the latter case, the assistant cuts ambiguous communication between the user and specialist. We present experimental results from behavioral experiments and machine learning that demonstrate the usefulness of our assistant.
Determinantal identity for multilevel systems and finite determinantal processes
Creators: name: Harnad, J.
name: Orlov, A. Yu.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: Probability (math.PR)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: 15A52, 60G55

description: We give a simple algebraic derivation of a useful determinantal identity for multilevel systems such as random matrix chains and finite determinantal point processes, with applications to the calculation of point correlators, gap probabililties and Janossy densities.
description: 17 pages
Learning to Detect Partially Labeled People
Creators: name: Rachlin, Yaron
name: Dolan, John
name: Khosla, Pradeep
Publisher: name: Carnegie Mellon University
Year: 2003
Subjects: subject: 80399 Computer Software not elsewhere classified
subject: FOS: Computer and information sciences

description: Deployed vision systems often encounter image variations poorly represented in their training data. While observing their environment, such vision systems obtain unlabeled data that could be used to compensate for incomplete training. In order to exploit these relatively cheap and abundant unlabeled data we present a family of algorithms called λMEEM. Using these algorithms, we train an appearance-based people detection model. In contrast to approaches that rely on a large number of manually labeled training points, we use a partially labeled data set to capture appearance variation. One can both avoid the tedium of additional manual labeling and obtain improved detection performance by augmenting a labeled training set with unlabeled data. Further, enlarging the original training set with new unlabeled points enables the update of detection models after deployment without human intervention. To support these claims we show people detection results, and compare our performance to a purely generative Expectation Maximization-based approach to learning over partially labeled data.
title: Клинический случай сочетания хронической и острой субдуральной гематомы у больного пожилого возраста
Creators: name: Соибов, И.Э.
Publisher: name: Tashkent State Dental Institute
Year: 2021

description: Представлен клинический случай больного с хронической субдуральной гематомой в сочетании с острой субдурально-субкапсулярной гематомой. Несмотря на всесторонн ие диагностические обследования, выполненные при поступлении пострадавшего в стационар и своевременное выполнение оперативного вмешательства, сочетание гематом было не распознано. В данной статье мы проанализировали причины сочетания гематом,ошибки диагностики и оперативного лечения.пострадавшего в стационар и своевременное выполнение оперативного вмешательства, сочетание гематом было не распознано. В данной статье мы проанализировали причины сочетания гематом, ошибки диагностики и оперативного лечения.
Bivariate representation and conjugacy class zeta functions associated to unipotent group schemes, I: Arithmetic properties
Creators: name: de Araujo, Paula Macedo Lins
Publisher: name: arXiv
Year: 2018
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 11M41, 11M32, 20F69, 20D15, 22E55, 20E45

description: This is the first of two papers in which we introduce and study two bivariate zeta functions associated to unipotent group schemes over rings of integers of number fields. One of these zeta functions encodes the numbers of isomorphism classes of irreducible complex representations of finite dimensions of congruence quotients of the associated group and the other one encodes the numbers of conjugacy classes of each size of such quotients. In this paper, we show that these zeta functions satisfy Euler factorizations and almost all of their Euler factors are rational and satisfy functional equations. Moreover, we show that such bivariate zeta functions specialize to (univariate) class number zeta functions. In case of nilpotency class 2, bivariate representation zeta functions also specialize to (univariate) twist representation zeta functions.
description: 24 pages. Preprint of an article published in the Journal of Group Theory
Role of short-range order in manipulating light absorption in disordered media
Creators: name: Liu, M. Q.
name: Zhao, C. Y.
name: Wang, B. X.
name: Fang, Xing
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Structural correlations have a significant effect on light propagation in disordered media. We numerically investigate the role of short-range order in light absorption in thin films with disordered nanoholes. Two types of disordered distributions, including stealthy hyperuniform (SHU) and hard disk (HD) patterns with different degrees of short-range order, are studied. We find that Bragg scattering induced by short-range order results in the appearance of a gradually sharper absorption peak with the increasing of degrees of short-range order ($χ$, $ϕ$). A physical model is proposed to calculate the in-plane angularly differential scattering cross section $d σ^*/d θ$ of thin-film nanostructures with consideration of {the} structure factor $S(q)$. Results reveal that higher level of short-range order can enhance in-plane Bragg scattering in certain wavelengths and directions corresponding to rich and sharp peaks in {the} structure factor $S(q)$, which can further modify morphology-dependent-like resonances of an individual scatterer {and leads } to {large} improvement of absorptivity in thin films. Besides, the comparison results show that SHU structures exhibit better integrated absorption ($IA$) enhancement than both HD and periodic structures. And there is a transition of local-order phase between hexagonal lattice{s} and square lattice{s for SHU structures}, leading to an optimal absorption performance when $χ$ is around 0.5 of interest. The present study paves a way in controlling light absorption and scattering using novel disordered nanostructures.
description: 10 pages, 12 figures
KATRIN: an experiment to measure the neutrino mass
Creators: name: Robertson, R. G. H.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: KATRIN is a very large scale tritium-beta-decay experiment to determine the mass of the neutrino. It is presently under construction at the Forschungszentrum Karlsruhe, and makes use of the Tritium Laboratory built there for the ITER project. The combination of a very large retarding-potential electrostatic-magnetic spectrometer and an intense gaseous molecular tritium source makes possible a sensitivity to neutrino mass of 0.2 eV, about an order of magnitude below present laboratory limits. The measurement is kinematic and independent of whether the neutrino is Dirac or Majorana. The status of the project is summarized briefly in this report.
description: 3 pages, 1 figure. For Proceedings of Topics in Astroparticle and Underground Physics, Sendai, Sept. 2007. To be published in J.Phys.: Conf. Series