cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Invariant ruelle distributions for open hyperbolic systems
title: an analytical and numerical investigation
titleType: Subtitle
Creators: name: Schütte, Philipp
Publisher: name: Universität Paderborn
Year: 2024

description: In der vorliegenden Dissertation wurden sowohl analytische als auch numerische Aspekte sogenannter invarianter Ruelle Distributionen behandelt. In einem ersten Schritt wurde eine gewichtete Zeta Funktion für offene hyperbolische Systeme meromorph fortgesetzt, um anschließend eine Formel für deren Residuen abzuleiten. Diese Residuenformel erlaubte es, invariante Ruelle Distributionen mittels gewichteter Zeta Funktionen konkret auszurechnen.Eine Anwendung dieser analytischen Ergebnisse erfolgte dann im Rahmen der Streuung an konvexen Hindernissen und ermöglichte damit eine rigorose Behandlung gewisser semiklassischer Formeln, welche in der theoretischen Physik bereits früher mittels heuristischer Argumente abgeleitet worden waren. Als zweiter Schritt wurde die Residuenformel für Ruelle Distributionen genutzt, um Letztere konkret numerisch für konvex-kokompakte hyperbolische Flächen zu berechnen und zu visualisieren. Neben der rigorosen Herleitung geeigneter numerischer Techniken, wurde weiterhin ein PyZeta getauftes Open Source Projekt implementiert, um eine Reihe von Aspekten sowohl der Pollicott-Ruelle Resonanzen als auch (dynamischer) Zeta Funktionen abzubilden.
description: The dissertation at hand encompasses a treatment of both analytical as well as numerical aspects of so-called invariant Ruelle distributions. As a first step a weighted zeta function for open hyperbolic systems was defined and meromorphically continued which allowed the subsequent derivation of a residue formula for the weighted zeta. This in turn enabled the concrete calculation of invariant Ruelle distributions via weighted zeta functions. These analytical results were applied in the context of convex obstacle scattering which enabled a new rigorous approach to semiclassical formulae that had previously been considered in theoretical physics in a more heuristic manner. As a second step the residue formula for Ruelle distributions was used to concretely numerically calculate and visualize the latter for convex-cocompact hyperbolic surfaces. Besides the rigorous justification of the concrete numerical approach the development of an open source project called PyZeta was an integral part of this thesis. The project incorporates a number of aspects concerning Pollicott-Ruelle resonances and (dynamical) zeta functions.
Distributive Politics and Electoral Incentives: Evidence from Seven US State Legislatures
Creators: name: Aidt, T.S.
name: Shvets, J.
Publisher: name: Faculty of Economics
Year: 2011
Subjects: Term limits
electoral incentives
distributive politics
the Law of 1/N
US state legislatures.

description: We study the effect of electoral incentives on the allocation of public services across legislative districts. We develop a model in which elections encourage individual legislators to cater to parochial interests and thus aggravate the common pool problem. Using unique data from seven US states, we study how the amount of funding that a legislator channels to his district changes when he faces a term limit. We find that legislators bring less state funds to their district when they cannot run for re-election. Consistent with the Law of 1/N, this tendency is less pronounced in states with many legislative districts.
Broken SU(3) symmetry in deformed even-even nuclei
Creators: name: Minkov, N.
name: Drenska, S. B.
name: Raychev, P. P.
name: Roussev, R. P.
name: Bonatsos, D.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A collective vector-boson model with broken SU(3) symmetry, in which the ground state band and the lowest $γ$ band belong to the same irreducible representation but are non-degenerate, is applied to several deformed even-even nuclei. The model description of ground and $γ$ bands together with the corresponding B(E2) transition probabilities is investigated within a broad range of SU(3) irreducible representations $(λ,μ)$. The calculations show that the $(λ,μ)$ characteristics of rotational nuclei depend to a great extent on the magnitude of the SU(3) splitting between the ground and $γ$ bands. It is found that for weakly split spectra, the ground--$γ$ band coupling scheme is realized relevantly within narrow regions of ``favored'' $(λ,μ)$ multiplets, while in the cases of strong splitting a description in which the ground band is situated alone in an irreducible representation is favored. The obtained results are analyzed in terms of the bandmixing interactions. The possibility for a transition between the different collective SU(3) schemes is discussed.
description: LaTeX, 38 pages. 8 figures available from the authors
Dynamics of Evolution in the Global Fuel-Ethanol Industry
Creators: name: Chan, J.H.
name: Reiner, D.
Publisher: name: Faculty of Economics
Year: 2011
Subjects: Inter-firm governance
Biofuels
Entry
Vertical integration

description: We employ a value chain analysis approach to examine the forces shaping the industry structure, entry and inter-firm governance modes. Forty largest global and regional companies in the ethanol manufacturing stage have been classified according to their pre-entry industry of origin. Firms with pre-entry history in feedstock supply have shown higher resilient to market shock especially compared to de novo firms. In addition, we observe a trend of dual-directional vertical integration. Firms backward integrate to secure feedstock supply; firms forward integrate to gain access to the retail market. Security of feedstock has been identified as a critical success factor of the manufacturer in this resource intensive industry. Another critical success factor is gaining control over the end user market via forward integration. We propose that critical success factor is the important determinants of inter-firm governance mode.
Resonant conversions of extremely high energy neutrinos in dark matter halos
Creators: name: Horvat, R.
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We study the effect of adiabatically resonant conversion in galactic halos of neutrinos at the highest energies ($ \sim 10^{20}$ - $10^{22}$ eV), when the $ν$ source is in the center of a galaxy. Using the standard neutrino properties and the standard cosmological scenario for the hot dark part of matter, we find that interesting conversions may take place just for neutrino parameters relevant to the solar and atmospheric neutrino problem. The effect is due to the large enhancement in the $ν$ density in galactic halos and to the form of the effective matter potential both below and above the pole of the $Z$ resonance.
description: 8 pages, revtex, some comments and references added, to appear in Phys. Rev. D
SEPARATION OF POWERS AND JURISDICTIONAL FREEDOM
Creators: name: FABIANA BAPTISTA SILVA CARICATI
name: PRISCILA GIUBLIN
name: RAFAEL LIMA TORRES
Publisher: name: figshare
Year: 2018
Subjects: subject: Law
subject: FOS: Law

description: The present work analyzes the Theory of Separation of Powers and the System of Brakes and Counterweights, as a way of preserving the autonomy and independence of each of the powers and allowing mutual control and control, avoiding mismanagement and abuse. This classic theory, structured by the Baron de Montesquieu, has now been severely mitigated by the strengthening of the judiciary over the others, called to analyze causes of the most varied themes, alleging inefficiency of the legislature and executive and the need to rights and guarantees. In addition, it was found that, instead of the Judiciary, it endeavored to combat the crisis of parliamentary representation and disenchantment with the political system set up, bearing in mind the conception of harmony and independence between the three powers, which in fact occurred was the supremacy of the Judiciary over the other powers.
T-odd particle spin rotation in nuclear target
Creators: name: Cherkas, S. L.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: It is shown that particle spin rotation in nuclear target, caused by the imaginary part of the spin-dependent forward scattering amplitude, is T-odd rotation.
description: LaTeX, 3 pages
Product Wave Function Renormalization Group Method
Creators: name: Nishino, T.
name: Okunishi, K.
Publisher: name: arXiv
Year: 1995
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: The authors propose a fast numerical renormalization group method --- the product wave function renormalization group (PWFRG) method --- for 1D quantum lattice models and 2D classical ones. A variational wave function, which is expressed by a matrix product, is improved through a self-consistent calculation. The new method has the same fixed point as the density matrix renormalization group method.
description: 9 pages, TeX and 3 post script figures. to appear in J. Phys. Soc. Jpn
Ultra High Energy Cosmic Rays from Cosmological Relics
Creators: name: Berezinsky, V.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The current status of origin of Ultra High Energy Cosmic Rays (UHECR) is reviewed, with emphasis given to elementary particle solutions to UHECR problem, namely to Topological Defects and Super-Heavy Dark Matter (SHDM) particles. The relic superheavy particles are very efficiently produced at inflation. Being protected by gauge discrete symmetries, they can be long lived. They are clustering in the Galactic halo, producing thus UHECR without Greisen-Zatsepin-Kuzmin cutoff. Topological Defects can naturally produce particles with energies as observed and much higher, but in most cases fail to produce the observed fluxes. Cosmic necklaces, monopoles connected by strings and vortons are identified as most plausible sources. The latter two of them are also clustering in the halo and their observational predictions are identical to those of SHDM particles.
description: Invited talk at TAUP-99, Paris, September 6 - 10, 1999. Several references are added
Coherent $η$-photoproduction on $^4$He and $^{12}$C in the near-threshold region
Creators: name: Fix, A.
name: Arenhoevel, H.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Coherent $η$ meson photoproduction on $^4$He and $^{12}$C is considered in the near-threshold region. The elementary $η$ photoproduction operator includes contributions from the $S_{11}(1535)$ and $D_{13}(1520)$ resonances as well as $t$-channel vector meson exchange and the nucleon pole terms. Due to the suppression of the dominant $S_{11}(1535)$ resonance for spin and isospin saturated nuclei, the reaction is mainly governed by $ω$ exchange. Furthermore, the influence of Fermi motion and of different prescriptions for the choice of the invariant reaction energy $W_{γN}$ in the elementary amplitude is studied.
description: 27 pages revtex including 9 postscript figures
Divine competition: Religious organizations and service provision in India
Creators: name: Iyer, S
name: Velu, C
name: Weeks, M
Publisher: name: Apollo - University of Cambridge Repository
Year: 2013
Subjects: Hotelling Model
Inequality
India

description: This paper examines religious and non-religious service provision by religious organisations in India. We present a stylized Hotelling-style model in which two religious organisations differentiate hemselves on the strength of religious beliefs in order to compete in attracting adherents. We show in the model two central predictions: first,that the organisations will differentiate themselves on the strength of religious beliefs. Second, that in equilibrium, economic inequality makes the organisations increase their provision of non-religious services. To test this, we present unique primary survey dataon the economics of religion, collected by us between 2006 and 2010 from 568 Hindu, Muslim, Christian, Sikh and Jain religious organisations spread across 7 Indian states. We use these data to demonstrate that the organisations have substantially increasedtheir provision of non-religious services. We also provide quantitative evidence based oneconometric testing to highlight that religious organisations are differenting themselves on the strength of religious beliefs with respect to other organisations, and are also providing higher education and health services as economic inequality increases in India.
THE INSTITUTION OF PRELIMINARY CONTROL AND THE AMENDMENT OF THE CRITERIA FOR SUBMISSION OF ACTS OF CONCENTRATION TO CADE: COMPARISON BETWEEN THE SCENARIOS BEFORE AND AFTER LAW No. 12,529 / 2011.
Creators: name: EVERTON DAS NEVES GONÇALVES
name: JOANA STELZER
name: AMANDA KAROLINI BURG
Publisher: name: figshare
Year: 2018
Subjects: subject: Law
subject: FOS: Law

description: The present article aims to describe the main changes brought by Law n. 12,529 / 2011 to the structural control of competition in Brazil, namely, the modification of the requirements for submission and the implementation of the prior control model of the concentration acts. For that, the following are presented: (i) notions about CADE's (structural) preventive performance, (ii) distinctions between control models under Law no. 8,884 / 1994 and n. (Iii) criteria for submitting concentrations under the perspective of both legislations, and (iv) pre and post - reform quantitative data. This is a qualitative exploratory research, a monographic procedure, an inductive approach and a bibliographic research technique. From the authors and data presented, it is concluded that CADE's activities, since the entry into force of the new antitrust legislation, have been substantially modified in order to become more dynamic and efficient.
A Deep Near-Infrared [Fe II]+[Si I] Emission Line Image of the Supernova Remnant Cassiopeia A
Creators: name: Koo, Bon-Chul
name: Kim, Hyun-Jeong
name: Lee, Yong-Hyun
name: Raymond, John C.
name: Lee, Jae-Joon
name: Yoon, Sung-Chul
name: Moon, Dae-Sik
Publisher: name: arXiv
Year: 2018
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present a long-exposure (~10 hr) image of the supernova (SN) remnant Cassiopeia A (Cas A) obtained with the UKIRT 3.8-m telescope using a narrow band filter centered at 1.644 um emission. The passband contains [Fe II] 1.644 um and [Si I] 1.645 um lines, and our `deep [Fe II]+[Si I] image' provides an unprecedented panoramic view of Cas A, showing both shocked and unshocked SN ejecta together with shocked circumstellar medium at subarcsec (~0.7 arcsec or 0.012 pc) resolution. The diffuse emission from the unshocked SN ejecta has a form of clumps, filaments, and arcs, and their spatial distribution correlates well with that of the Spitzer [Si II] infrared emission, suggesting that the emission is likely due to [Si I] line not [Fe II] line as in shocked material. The structure of the optically-invisible western area of Cas A is clearly seen for the first time. The area is filled with many Quasi-Stationary Flocculi (QSFs) and fragments of the disrupted ejecta shell. We suggest that the anomalous radio properties in this area could be due to the increased number of such dense clumps. We identified 309 knots in the deep [Fe II]+[Si I] image and classified them into QSFs and fast-moving knots (FMKs). The total H+He mass of QSFs is ~0.23 Msun, implying that the mass fraction of dense clumps in the progenitor's red-supergiant wind is 4--13%. The spatial distribution of QSFs suggests that there had been a highly asymmetric mass loss $10^4$--$10^5$ yr before the SN explosion. The mass of the [Fe II] line-emitting, shocked dense Fe ejecta is ~3x$10^{-5}$ Msun. The comparison with the ionic S-line dominated Hubble Space Telescope WFC3/IR image suggests that the outermost FMKs in the southeastern area are Fe-rich.
description: 36 pages, 13 figures, ApJ in press
Decoding locomotion from population neural activity in moving C. elegans
Creators: name: Dempsey, Ross
Publisher: name: Open Science Framework
Year: 2021
Subjects: subject: Neuroscience and Neurobiology
subject: Life Sciences
subject: c. elegans
subject: whole brain imaging

description: Each dataset is identified by a strain name and condition, e.g. AML32_moving, and is wrapped in a .tar.gz archive. After extracting an archive, you will find subfolders corresponding to individual recordings. Additionally, a text file, e.g. AML32_moving_datasets.txt, indicates which datasets should be used for analysis. For recordings of the AML310 strain, these files also contain the volume number at which the BFP laser was turned on to identify AVA. The part of the recording after this volume number is excluded for behavior analysis. Within each dataset folder, there are five files: * centerline.mat * heatData.mat * heatDataMS.mat * pointStatsNew.mat * positionDataMS.mat These are the output of the neuron registration pipeline described in https://doi.org/10.1371/journal.pcbi.1005517. Further instructions and tools for working with the data can be found at https://github.com/leiferlab/PredictionCode.
The origin of matter and structure in the universe
Creators: name: Garcia-Bellido, Juan
Publisher: name: arXiv
Year: 1999
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Cosmology is nowadays going through a true revolution in the quantity and quality of observations that are capable of providing crucial information about the origin and evolution of the universe. In the first years of the next millenium we will have, for the first time in the history of cosmology, a precise knowledge about a handful of parameters that determine our Standard Cosmological Model. This standard model is based on the inflationary paradigm, a period of exponential expansion in the early universe responsible for the large scale homogeneity and flatness of our observable patch of the universe. A spectrum of density perturbations, seen in the microwave background as temperature anisotropies, could have been produced during inflation from quantum fluctuations that were stretched to cosmological size by the expansion, and later gave rise, via gravitational collapse, to the observed large scale structure of clusters and superclusters of galaxies. Furthermore, the same theory predicts that all the matter and radiation in the universe today originated at the end of inflation from an explosive production of particles that could also have been the origin of the present baryon asymmetry, before the universe reached thermal equilibrium at a very large temperature. From there on, the universe cooled down as it expanded, in the way described by the standard hot big bang model. With the observations that will soon become available in the next millenium, we will be able to test the validity of the inflationary paradigm, and determine with unprecedented accuracy the parameters of a truly Standard Model of Cosmology.
description: 24 pages, 10 figures, LaTeX, uses rspublic.cls (included). To appear in the Special Millenium Issue of the Philosophical Transactions of The Royal Society
Towards a fully self-consistent spectral function of the nucleon in nuclear matter
Creators: name: de Jong, F.
name: Lenske, H.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We present a calculation of nuclear matter which goes beyond the usual quasi-particle approximation in that it includes part of the off-shell dependence of the self-energy in the self-consistent solution of the single-particle spectrum. The spectral function is separated in contributions for energies above and below the chemical potential. For holes we approximate the spectral function for energies below the chemical potential by a $δ$-function at the quasi-particle peak and retain the standard form for energies above the chemical potential. For particles a similar procedure is followed. The approximated spectral function is consistently used at all levels of the calculation. Results for a model calculation are presented, the main conclusion is that although several observables are affected by the inclusion of the continuum contributions the physical consistency of the model does not improve with the improved self-consistency of the solution method. This in contrast to expectations based on the crucial role of self-consistency in the proofs of conservation laws.
description: 26 pages Revtex with 4 figures, submitted to Phys. Rev. C
Photoluminescence Blinking beyond Quantum-Confinement: Spatiotemporally Correlated Intermittency over Entire Micron Sized Perovskite Polycrystalline Disks
Creators: name: Pathoor, Nithin
name: Halder, Ansuman
name: Mukherjee, Amitrajit
name: Mahato, Jaladhar
name: Sarkar, Shaibal K.
name: Chowdhury, Arindam
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Abrupt fluorescence intermittency or blinking is long recognized to be characteristic of single nano-emitters. Extended quantum-confined nanostructures also undergo spatially heterogeneous blinking, however, there is no such precedence in dimensionally unconfined (bulk) materials. Here, we report multi-level blinking of entire individual organo-lead bromide perovskite micro-crystals (volume 0.1-3 micron-cuble) under ambient conditions. Extremely high spatiotemporal correlation (>0.9) in intra-crystal emission intensity fluctuations signifies effective communication amongst photogenerated carriers at distal locations (up to ~4 microns) within each crystal. Fused polycrystalline grains also exhibit this intriguing phenomenon, which is rationalized by correlated and efficient migration of carriers to a few transient non-radiative traps, the nature and population of which determine blinking propensity. Observation of spatiotemporally correlated emission intermittency in bulk semiconductor crystals opens up the possibility to design novel devices involving long range (mesoscopic) electronic communication.
description: 6 pages, 3 figures, supporting information included, Title of manuscript slightly different from accepted article to elaborate on the main results
Impact of localization on Dyson's circular ensemble
Creators: name: Muttalib, K. A.
name: Ismail, M. E. H.
Publisher: name: arXiv
Year: 1995
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: A wide variety of complex physical systems described by unitary matrices have been shown numerically to satisfy level statistics predicted by Dyson's circular ensemble. We argue that the impact of localization in such systems is to provide certain restrictions on the eigenvalues. We consider a solvable model which takes into account such restrictions qualitatively and find that within the model a gap is created in the spectrum, and there is a transition from the universal Wigner distribution towards a Poisson distribution with increasing localization.
description: To be published in J. Phys. A
Probing the formation of the seeds of supermassive black holes with gravitational waves
Creators: name: Colpi, Monica
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The existence of black holes in the intermediate mass interval between one hundred and ten thousand solar masses, filling the gap between the stellar and the supermassive black holes is a key prediction to explain the origin of luminous QSOs at redshifts as large as seven. There is a sheer difficulty in forming giant black holes of billion suns in less than one billion years. This has led to the concept of seed black holes. They are high redshift intermediate mass black holes that formed during cosmic dawn. Seeds are a transient population, which later grew massive through episodes of accretion and mergers. In this chapter we explore the possibility of discovering seed black holes and track their growth across all cosmic epoch, by detecting the gravitational wave signal they emit at the time of their coalescence, when they pair to form close binaries. We show that the ESA LISA mission for the detection of low frequency gravitational waves will be paramount in granting this insight. Gravitational waves travel unimpeded through the cosmos and carry exquisite information on the masses and spins of the merging black holes. To this purpose we introduce key concepts on the gravitational wave emission from binaries, describing briefly their formation pathway during halo mergers and galaxy collisions.
description: Preprint of a review volume chapter to be published in Latiff, M., and Schleicher, D. entitled Probing the formation of the seeds of supermassive black holes with gravitational waves. Volume title: Formation of the First Black Holes, 2018. Copyright World Scientific Publishing Company - link - https://www.worldscientific.com/worldscibooks/10.1142/10652
ELECTORAL FUNDING AND BUSINESS ETHICS: THE PARTICIPATION OF COMPANIES IN THE ELECTORAL PROCESS
Creators: name: RENATO RIBEIRO DE ALMEIDA
name: FILIPPE SOARES LIZARDO
name: JUACY DOS SANTOS LOURA JÚNIOR
Publisher: name: figshare
Year: 2018
Subjects: subject: Law
subject: FOS: Law

description: The objective of this study is to analyze the participation of the companies in the process of financing the electoral campaigns under the prism of business ethics, considering for both the electoral legislation that governs the matter, especially the new laws 13.487/2017 and 13.488/2017, which created a new form of financing, such as virtual collective funding and the Special Fund for Campaign Finance (FEFC) and yet, the decision of the Supreme Court in the judgment of the direct action of unconstitutionality nº. 4,650. It seeks to verify how the economic power acts to unbalance the electoral dispute, compromising the representativeness and also the legitimacy of the activities of the companies in the electoral process.
Strategic consensus
Creators: name: Aidt, Toke S
name: Dutta, Jayasri
Publisher: name: Apollo - University of Cambridge Repository
Year: 2004
Subjects: subject: Classification-JEL: C7, D80, M52
subject: Common agency, retention rules and uncertainty.

description: We study equilibrium retention rules in a dynamic common agency game. The decision to reappoint or not is made by a committee consisting of two principals: the retention decision is uncertain if the two principals disagree. We demonstrate that all equilibrium paths exhibit what we call strategic consensus: the agent takes actions that satisfy the performance standards of all principals on the one hand, and all principals lower their standards such that the agent wants to satisfy them on the other. This result applies both to economies with sub- and super-additive costs of providing utilities to the principals.
Asteroseismic detection of latitudinal differential rotation in 13 Sun-like stars
Creators: name: Benomar, O.
name: Bazot, M.
name: Nielsen, M. B.
name: Gizon, L.
name: Sekii, T.
name: Takata, M.
name: Hotta, H.
name: Hanasoge, S.
name: Sreenivasan, K. R.
name: Christensen-Dalsgaard, J.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The differentially rotating outer layers of stars are thought to play a role in driving their magnetic activity, but the underlying mechanisms that generate and sustain differential rotation are poorly understood. We report the measurement of latitudinal differential rotation in the convection zones of 40 Sun-like stars using asteroseismology. For the most significant detections, the stars' equators rotate approximately twice as fast as their mid-latitudes. The latitudinal shear inferred from asteroseismology is much larger than predictions from numerical simulations.
description: 45 pages, 11 figures, 4 tables, published in Science
Der Tannenhäher in Württemberg und sein letztes zahlreiches Auftreten daselbst im Herbst 1911 [Bd. 69, 1913]
Creators: name: Bacmeister, Walther
Publisher: name: - NO PUBLISHER DEFINED -
Year: 1994

description: Jahreshefte der Gesellschaft für Naturkunde in Württemberg
description: Bd. 149, 1994
Hard Loop Approach to Anisotropic Systems
Creators: name: Mrowczynski, Stanislaw
name: Thoma, Markus H.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Anisotropic systems of quarks and gluons, which at least for sufficiently short space-time intervals can be treated as homogeneous and static, are considered. The gluon polarization tensor of such a system is explicitly computed within the semiclassical kinetic and Hard Loop diagrammatic theories. The equivalence of the two approaches is demonstrated. The quark self energy is computed as well, and finally, the dispersion relations of quarks and gluons in the anisotropic medium are discussed.
description: 10 pages, revised to appear in Phys. Rev. D
Assessing the efficient cost of sustaining Britain's rail network: Perspectives based on zonal comparisons
Creators: name: Kennedy, J
name: Smith, ASJ
Publisher: name: Apollo - University of Cambridge Repository
Year: 2004
Subjects: subject: Classification-JEL: L51; L92
subject: corrected ordinary least squares; data envelopment analysis; efficiency analysis; internal benchmarking; railway; stochastic frontier analysis

description: The objective of this paper is to inform the debate on how efficiency targets for Network Rail (formerly Railtrack) should be set during the 2002/03 Interim Review and beyond. Given the problems experienced during the 2000 Periodic Review, which focused on external benchmarks, we propose an internal benchmarking approach, drawing on data for seven geographical Zones within Railtrack (over the period 1995/96 to 2001/02). Our approach mirrors the yardstick competition method used in other UK regulated industries. Three efficiency measurement techniques are applied to this data (DEA; COLS; SFA). Our results suggest that Railtrack (as a whole) delivered substantial improvements in productivity in the early years after privatisation, although these savings were largely offset by the post-Hatfield cost increases. However, looking forward, Zonal efficiency differences suggest that the company could make significant savings in future years by applying (its own) best practice consistently across the network.
On determinants identity minus Hankel matrix
Creators: name: Fedele, Emilio
name: Gebert, Martin
Publisher: name: arXiv
Year: 2018
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics

description: In this note, we study the asymptotics of the determinant $\det(I_N - βH_N)$ for $N$ large, where $H_N$ is the $N\times N$ restriction of a Hankel matrix $H$ with finitely many jump discontinuities in its symbol satisfying $\|H\|\leq 1$. Moreover, we assume $β\in\mathbb C$ with $|β|<1$ and $I_N$ denotes the identity matrix. We determine the first order asymtoptics as $N\to\infty$ of such determinants and show that they exhibit power-like asymptotic behaviour, with exponent depending on the height of the jumps. For example, for the $N \times N$ truncation of the Hilbert matrix $\mathbf{H}$ with matrix elements $π^{-1}(j+k+1)^{-1}$, where $j,k\in \mathbb Z_+$ we obtain $$ \log \det(I_N - β\mathbf{H}_N) = -\frac{\log N}{2π^2} \big(π\arcsin(β)+\arcsin^2(β)+o(1)\big),\qquad N\to\infty. $$
Probing SUSY-induced CP violations at B factories
Creators: name: Baek, Seungwon
name: Ko, Pyungwon
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the minimal supersymmetric standard model (MSSM), the μ-parameter and the trilinear coupling A_t may be generically complex and can affect various observables at B factories. Imposing the edm constraints, we find that there is no new large phase shift in the B^0 - \bar{B^0} mixing, CP violating dilepton asymmetry is smaller than 0.1 %, and the direct CP violation in B\to X_s γcan be as large as \sim \pm 16 %.
description: 4 pages, 2 figures. Version to appear in Phys. Rev. Lett
Magnetised Thermal Self-focusing and Filamentation of Long-Pulse Lasers in Plasmas Relevant to Magnetised ICF Experiments
Creators: name: Watkins, H. C.
name: Kingham, R. J.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: In this paper we study the influence of the magnetised thermal conductivity on the propagation of a nanosecond $10^{14} \mathrm{Wcm}^{-2}$ laser in an underdense plasma by performing simulations of a paraxial model laser in a plasma with the full Braginskii magnetised transport coefficients. Analytic theory and simulations show the shortening of the self-focal length of a laser beam in a plasma as a result of the reduction of the plasma thermal conductivity in a magnetic field. Furthermore the filamentation of a laser via the thermal mechanism is found to have an increased spatial growth rate in a magnetised plasma. We discuss the effect of these results on recent magnetised inertial fusion experiments where filamentation can be detrimental to laser propagation and uniform laser heating. We conclude the application of external magnetic fields to laser-plasma experiments requires the inclusion of the extended electron transport terms in simulations of laser propagation.
description: 10 pages, 9 figures
Use of the double dispersion relation in QCD sum rules with external fields
Creators: name: Kim, Hungchong
Publisher: name: arXiv
Year: 1999
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In QCD sum rules with external fields, the double dispersion relation is often used to represent the correlation function. In this work, we point out that the double spectral density, when it is determined by successive applications of the Borel transformation, contains the spurious terms which should be kept in the subtraction terms in the double dispersion relation. They are zero under the Borel transformation but, if the dispersion integral is restricted with QCD duality, they contribute to the continuum. For the simple case with zero external momentum, it is shown that subtracting out the spurious terms is equivalent to the QCD sum rules represented by the single dispersion relation.
description: 10 pages, slightly revised, accepted for publication in Progress of Theoretical Physics
EFFICIENT PUBLIC ADMINISTRATION AND THE NEED FOR THE GUARANTEE OF ENSURING FUNDAMENTAL RIGHTS EFFECTIVELY TO BRAZILIANS
Creators: name: FRANCISCO PEDRO JUCÁ
name: HORÁCIO MONTESCHIO
name: VALÉRIA JULIANA TORTATO MONTESCHIO
Publisher: name: figshare
Year: 2018
Subjects: subject: Law
subject: FOS: Law

description: It is of fundamental importance that efficient public administration be made available to Brazilians as a measure to ensure fundamental rights. It is no longer possible to experience a public administration from others, divorced from the interests of the administrators. On the other hand, the public policies assumed by the representatives of the people, when elaborated in the electoral campaigns, must be fulfilled under penalty of the Brazilians being legitimizing elective, "democratically" elected, who in their exercise move away from the proposals and are linked to practices nothing efficient, disengaged with the aspirations of voters and who come to commune with incompetence and corrupt practices. The purpose of this text is to bring to the debate the need for the fundamental right to good administration as an inalienable and binding right exercised by the candidate who was elected. In conclusion, as a conclusion, impose on the elected the obligation to know the public management before applying, to administer in an efficient manner, assuring to the Brazilians a competent and efficient management under pain of not being legitimized the elected mandate. The present work is divided into three topics, the first of which brings to the fore the importance of constitutionalism, the generations or dimensions of fundamental rights and the need for efficiency of a public administration.
title: ADCO, Cartulaire de l'abbaye de Cîteaux dit Cartulare Antiquum t.3 (2e moitié XIIIe siècle), Cart. 168 (11 H 66), f. 0031v
Creators: name: de la Côte d'Or, Archives départementales
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2010
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Cartulaire de l'abbaye de Cîteaux dit Cartulare Antiquum t.3 (2e moitié XIIIe siècle), Archives départementales de la Côte-d'Or, Cart. 168 (11 H 66), f. 0031v, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire de l'abbaye de Cîteaux dit Cartulare Antiquum t.3 (2e moitié XIIIe siècle), Archives départementales de la Côte-d'Or, Cart. 168 (11 H 66), f. 0031v, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Tests of time-invariance
Creators: name: Harvey, AC
name: Busetti, F
Publisher: name: Apollo - University of Cambridge Repository
Year: 2010
Subjects: Dispersion
Expectiles
Quantiles
Skewness
Stationarity Tests
Stochastic Volatility
Value at Risk

description: Quantiles provide a comprehensive description of the properties of a variable and tracking changes in quantiles over time using signal extraction methods can be informative. It is shown here how stationarity tests can be generalized to test the null hypothesis that a particular quantile is constant over time by using weighted indicators. Corresponding tests based on expectiles are also proposed; these might be expected to be more powerful for distributions that are not heavy-tailed. Tests for changing dispersion and asymmetry may be based on contrasts between particular quantiles or expectiles. We report Monte Carlo experiments investigating the effectiveness of the proposed tests and then move on to consider how to test for relative time invariance, based on residuals from fitting a time-varying level or trend. Empirical examples, using stock returns and U.S. inflation, provide an indication of the practical importance of the tests.
Nuclear and Neutron Matter Calculations with Different Model Spaces
Creators: name: Engvik, L.
name: Osnes, E.
name: Hjorth-Jensen, M.
name: Kuo, T. T. S.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In this work we investigate the so-called model-space Brueckner-Hartree-Fock (MBHF) approach for nuclear matter as well as for neutron matter and the extension of this which includes the particle-particle and hole-hole (PPHH) diagrams. A central ingredient in the model-space approach for nuclear matter is the boundary momentum $k_M$ beyond which the single-particle potential energy is set equal to zero. This is also the boundary of the model space within which the PPHH diagrams are calculated. It has been rather uncertain which value should be used for $k_M$. We have carried out model-space nuclear matter and neutron matter calculations with and without PPHH diagrams for various choices of $k_M$ and using several modern nucleon-nucleon potentials. Our results exhibit a saturation region where the nuclear and neutron matter matter energies are quite stable as $k_M$ varies. The location of this region may serve to determine an "optimum" choice for $k_M$. However, we find that the strength of the tensor force has a significant influence on binding energy variation with $k_M$. The implications for nuclear and neutron matter calculations are discussed.
description: 24 pages, Elsevier LaTeX style, 17 figs included
An Infinite Set of Tree Amplitudes in Higgs-Yang-Mills
Creators: name: Selivanov, K. G.
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: It is pointed out that the Parke-Taylor or maximally helicity violating amplitudes in the pure Yang-Mills can, after some specifications, be interpreted as amplitudes of scattering of massive vector bosons in the Higgs-Yang-Mills system.
description: 6 pages, latex
Econometrics: A bird's eye view
Creators: name: Pesaran, MH
name: Geweke, J
name: Horowitz, JL
Publisher: name: Apollo - University of Cambridge Repository
Year: 2008
Subjects: History of Econometrics
Microeconometrics
Macroeconometrics
Bayesian Econometrics
Nonparametric and Semi- parametric Analysis

description: As a unified discipline, econometrics is still relatively young and has been transforming and expanding very rapidly over the past few decades. Major advances have taken place in the analysis of cross sectional data by means of semi-parametric and non-parametric techniques. Heterogeneity of economic relations across individuals, firms and industries is increasingly acknowledge and attempts have been made to take them into account either by integrating out their effects or by modeling the sources of heterogeneity when suitable panel data exists. The counterfactual considerations that underlie policy analysis and treatment evaluation have been given a more satisfactory foundation. New time series econometric techniques have been developed and employed extensively in the areas of macroeconometrics and finance. Non-linear econometric techniques are used increasingly in the analysis of cross section and time series observations. Applications of Bayesian techniques to econometric problems have been given new impetus largely thanks to advances in computer power and computational techniques. The use of Bayesian techniques have in turn provided the investigators with a unifying framework where the tasks and forecasting, decision making, model evaluation and learning can be considered as parts of the same interactive and iterative process; thus paving the way for establishing the foundation of the "real time econometrics". This paper attempts to provide an overview of some of these developments.
Über die Böttinger Marmorspalte sowie über Funde fossiler Pflanzen aus einigen Tuffmaaren der Alb [Bd. 77, 1921]
Creators: name: Berckhemer, Fritz
Publisher: name: - NO PUBLISHER DEFINED -
Year: 1994

description: Jahreshefte der Gesellschaft für Naturkunde in Württemberg
description: Bd. 149, 1994
LA REPRESENTACIÓN PARLAMENTARIA Y LA REPRESENTATIVIDAD CIUDADANA EN LA LEGISLACIÓN MERCOSUR
Creators: name: LILIANA BERTONI
Publisher: name: figshare
Year: 2018
Subjects: subject: Law
subject: FOS: Law

description: Terminada la segunda gran güerra mundial, los Estados parte de la Comunidad internacional iniciaron un camino de cooperación enfocada principalmente a recuperar las capacidades económicas de sus países. A partir de alli se desarrollaron múltiples procesos de integración regional que cambiaron no solo el rumbo de la historia sino también las estructuras y conceptos que por mucho tiempo contribuyeron a formar los organigramas institucionales de los gobiernos nacionales. Todos aquellos procesos de integración profundos que tuvieron como objetivo la creación de un mercado común debieron dotar a esos espacios políticos, económicos y jurídicamente ampliados de una organización institucional acorde a sus propósitos que permitiera acompañar la prosecución y desarrollo de los procesos de integración iniciado entre los Estados firmantes del Tratado Constitutivo de este bloque integrado de países. Dada la particularidad de las funciones, relaciones de poder y capacidades existentes entre los poderes ejecutivos y legislativos dentro de los procesos de integración regional es que resulta sumamente interesante analizar, aunque sea de manera breve como lo haremos en el presente trabajo la forma y evolución del espacio parlamentario en el Mercosur.
Non standard s-process in massive rotating stars. Yields of $10-150$ $M_{\odot}$ models at $Z=10^{-3}$
Creators: name: Choplin, Arthur
name: Hirschi, Raphael
name: Meynet, Georges
name: Ekstroöm, Sylvia
name: Chiappini, Cristina
name: Laird, Alison
Publisher: name: arXiv
Year: 2018
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Recent studies show that rotation significantly affects the s-process in massive stars. We provide tables of yields for non-rotating and rotating massive stars between 10 and 150 $M_{\odot}$ at $Z=10^{-3}$ ([Fe/H] $=-1.8$). Tables for different mass cuts are provided. The complete s-process is followed during the whole evolution with a network of 737 isotopes, from Hydrogen to Polonium. A grid of stellar models with initial masses of 10, 15, 20, 25, 40, 60, 85, 120 and 150 $M_{\odot}$ and with an initial rotation rate of both 0 or 40$~\%$ of the critical velocity was computed. Three extra models were computed in order to investigate the effect of faster rotation (70$~\%$ of the critical velocity) and of a lower $^{17}$O($α,γ$) reaction rate. At the considered metallicity, rotation has a strong impact on the production of s-elements for initial masses between 20 and 60 $M_{\odot}$. In this range, the first s-process peak is boosted by $2-3$ dex if rotation is included. Above 60 $M_{\odot}$, s-element yields of rotating and non-rotating models are similar. Increasing the initial rotation from 40$~\%$ to 70$~\%$ of the critical velocity enhances the production of $40 \lesssim Z \lesssim 60$ elements by $\sim 0.5-1$ dex. Adopting a reasonably lower $^{17}$O($α,γ$) rate in the fast rotating model (70$~\%$ of the critical velocity) boosts again the yields of s-elements with $55 \lesssim Z \lesssim 82$ by about 1 dex. In particular, a modest amount of Pb is produced. Together with s-elements, some light elements (particularly fluorine) are strongly overproduced in rotating models.
description: 16 pages, 14 figures, 4 tables. Accepted for publication in A&A
More on higher order decays of the lighter top squark
Creators: name: Porod, Werner
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss the three-body decays stop_1 -> W^+ b neutralino_1, stop_1 -> H^+ b neutralino_1, stop_1 -> b slepton_i neutrino_l, and stop_1 -> b sneutrino_l l^+$ ($l =e,μ,τ$) of the lighter top squark within the minimal supersymmetric standard model. We give the complete analytical formulas for the decay widths and present a numerical study in view of an upgraded Tevatron, the CERN LHC, and a future lepton collider demonstrating the importance of these decay modes.
description: 29 pages, 6 PS-figures, uses revtex