cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Lepton-nucleon interactions at the next-to-the-leading order
Creators: name: Aleksejevs, A.
name: Barkanova, S.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Next-to-Leading-Order (NLO) effects play a crucial role in tests of the Standard Model (SM), and require careful theoretical evaluation. Electroweak physics, which has just entered the precision age, is an excellent place to search for new physics, but also requires considerable theoretical input. We show how we applied computational packages such as FeynArts, FormCalc, Form and LoopTools for the evaluation of one-loop electroweak and hadronic radiative corrections.
MPEC 2023-Y61 : 2023 YY
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 YY

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Entropic 13 Moment Equations from Boltzmann's Kinetic Equation
Creators: name: Öttinger, Hans Christian
Publisher: name: arXiv
Year: 2010
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We use guiding principles from nonequilibrium thermodynamics to develop an admissible set of 13 moment equations for rarefied gas flows. The main benefits of our thermodynamic approach are an explicit entropy expression fulfilling an $H$ theorem and a sound Hamiltonian formulation of the reversible free flight transport. To calculate the entropy and to find explicit closure approximations, we propose a simple set of approximate 13 parameter solutions to Boltzmann's kinetic equation. We discuss how standard hydrodynamics is recovered as a limiting case.
description: 4 pages, 1 figure
Results from cosmics and first LHC beam with the ALICE HMPID detector
Creators: name: Volpe, Giacomo
Publisher: name: arXiv
Year: 2009
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The ALICE HMPID (High Momentum Particle IDentification) detector has been designed to identify charged pions and kaons in the range 1 < p < 3 GeV/c and protons in the range 1.5 < p < 5 GeV/c. It consists of seven identical proximity focusing RICH (Ring Imaging Cherenkov) counters, covering in total 11 m2, which exploit large area MWPC equipped with CsI photocathodes for Cherenkov light imaging emitted in a liquid C6F14 radiator. The ALICE detector has been widely commissioned using cosmics and LHC beam from December 2007 until October 2008. During the cosmics data taking the HMPID detector collected a large set of data, using mainly the trigger provided by the TOF detector. We present here preliminary results of detector alignment using TPC tracking. The HMPID could be operated in a stable way, at a safe HV setting, also during LHC beam injection and circulation tests, when a very large occupancy (up to 50%) was achieved. Resulting gain mapping and overall detector performance will also be discussed.
description: 4 pages, 5 figures - To appear in the conference proceedings for Quark Matter 2009, March 30 - April 4, Knoxville, Tennessee."
VUV frequency combs from below-threshold harmonics
Creators: name: Yost, Dylan C.
name: Schibli, Thomas R.
name: Ye, Jun
name: Tate, Jennifer L.
name: Hostetter, James
name: Schafer, Kenneth J.
name: Gaarde, Mette B.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Recent demonstrations of high-harmonic generation (HHG) at very high repetition frequencies (~100 MHz) may allow for the revolutionary transfer of frequency combs to the vacuum ultraviolet (VUV). This advance necessitates unifying optical frequency comb technology with strong-field atomic physics. While strong-field studies of HHG have often focused on above-threshold harmonic generation (photon energy above the ionization potential), for VUV frequency combs an understanding of below-threshold harmonic orders and their generation process is crucial. Here we present a new and quantitative study of the harmonics 7-13 generated below and near the ionization threshold in xenon gas. We show multiple generation pathways for these harmonics that are manifested as on-axis interference in the harmonic yield. This discovery provides a new understanding of the strong-field, below-threshold dynamics under the influence of an atomic potential and allows us to quantitatively assess the achievable coherence of a VUV frequency comb generated through below threshold harmonics. We find that under reasonable experimental conditions temporal coherence is maintained. As evidence we present the first explicit VUV frequency comb structure beyond the 3rd harmonic.
description: 16 pages, 4 figures, 1 table
Gamma rays from the annihilation of singlet scalar dark matter
Creators: name: Yaguna, Carlos E.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider an extension of the Standard Model by a singlet scalar that accounts for the dark matter of the Universe. Within this model we compute the expected gamma ray flux from the annihilation of dark matter particles in a consistent way. To do so, an updated analysis of the parameter space of the model is first presented. By enforcing the relic density constraint from the very beginning, the viable parameter space gets reduced to just two variables: the singlet mass and the higgs mass. Current direct detection constraints are then found to require a singlet mass larger than 50 GeV. Finally, we compute the gamma ray flux and annihilation cross section and show that a large fraction of the viable parameter space lies within the sensitivity of Fermi-GLAST.
description: 13 pages, 5 figures. v2: minor modifications to text and figures; main results unchanged. v3: some references added
Metals, dust and the cosmic microwave background: fragmentation of high-redshift star-forming clouds
Creators: name: Schneider, Raffaella
name: Omukai, Kazuyuki
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We investigate the effects of the Cosmic Microwave Background (CMB) radiation field on the collapse of prestellar clouds. Using a semi-analytic model to follow the thermal evolution of clouds with varying initial metallicities and dust contents at different redshifts, we study self-consistently the response of the mean Jeans mass at cloud fragmentation to metal line-cooling, dust-cooling and the CMB. In the absence of dust grains, at redshifts z < 10 moderate characteristic masses (of 10s of Msun) are formed when the metallicity is 10^{-4} Zsun < Z < 10^{-2.5} Zsun; at higher metallicities, the CMB inhibits fragmentation and only very large masses (of ~ 100s of Msun) are formed. These effects become even more dramatic at z > 10 and the fragmentation mass scales are always > 100s of Msun, independent of the initial metallicity. When dust grains are present, sub-solar mass fragments are formed at any redshift for metallicities Z > 10^{-6} Zsun because dust-cooling remains relatively insensitive to the presence of the CMB. When Z > 10^{-3} Zsun, heating of dust grains by the CMB at z > 5 favors the formation of larger masses, which become super-solar when Z > 10^{-2} Zsun and z > 10. Finally, we discuss the implications of our result for the interpretation of the observed abundance patterns of very metal-poor stars in the galactic halo.
description: 9 pages, 5 figures, MNRAS, accepted
Testing PDR models against ISO fine structure line data for extragalactic sources
Creators: name: Vasta, M.
name: Barlow, M. J.
name: Viti, S.
name: Yates, J. A.
name: Bell, T. A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Far-infrared [C ii] 158 micron, [O i] 145 micron and [O i] 63 micron fine structure emission line fluxes were measured from archival Infrared Space Observatory Long Wavelength Spectrometer spectra of 46 extragalactic sources, with 28 sources providing detections in all three lines. For 12 of the sources, the contribution to the [C ii] 158 micron line flux from H ii regions could be estimated from their detected [N ii] 122 micron line fluxes. The measured [C ii]/[O i] and [O i] 63/145 micron line flux ratios were compared with those from a grid of PDR models previously computed using the UCL PDR code. Persistent offsets between the observed and modelled line ratios could be partly attributed to the effects of [O i] 63 micron self-absorption. Using the SMMOL code, we calculated model [O i] line profiles and found that the strength of the [O i] 63 micron line was reduced by 20-80%, depending on the PDR parameters. We conclude that high PDR densities and radiation field strengths, coupled with the effects of [O i] 63 micron self-absorption, are likely to provide the best match to the observed line flux ratios.
description: 14 pages, 10 figures, 4 tables, MNRAS in press
Deceptiveness and Neutrality - the ND family of fitness landscapes
Creators: name: Beaudoin, William
name: Verel, Sébastien
name: Collard, Philippe
name: Escazut, Cathy
Publisher: name: arXiv
Year: 2009
Subjects: subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: When a considerable number of mutations have no effects on fitness values, the fitness landscape is said neutral. In order to study the interplay between neutrality, which exists in many real-world applications, and performances of metaheuristics, it is useful to design landscapes which make it possible to tune precisely neutral degree distribution. Even though many neutral landscape models have already been designed, none of them are general enough to create landscapes with specific neutral degree distributions. We propose three steps to design such landscapes: first using an algorithm we construct a landscape whose distribution roughly fits the target one, then we use a simulated annealing heuristic to bring closer the two distributions and finally we affect fitness values to each neutral network. Then using this new family of fitness landscapes we are able to highlight the interplay between deceptiveness and neutrality.
description: Genetic And Evolutionary Computation Conference, Seatle : \'Etats-Unis d'Am\'erique (2006)
Conoscenza e etica in Richard Rorty
Creators: name: Romano, Emilia
Publisher: name: Studi sulla Formazione
Year: 2011

description: The era in which we live, characterized by multiculturalism and complexity, it is a time when it is clear the difficulty of man to orient and to choose their own way. It’s the time of the fall of every certainty, is the era of “post”, after the tradition, after metaphysics, after the truth, and that requires more effort than any other constant reflection. The neopragmatismo seems to be an effective investigative tool for conducting this reflection and a vantage point to carry on a conversation around the issues of education. In particular, the author intended to refer to the work of Richard Rorty, the author who more than others reflected on the encounter between two important pragmatist tradition: that of classical pragmatism and the “continental” or responsible for the development of a new European concept of truth, understood as a critical and interpretative.
description: Studi sulla Formazione, Anno XIV, I-2011
Ground state properties of a one-dimensional strongly-interacting Bose-Fermi mixture in a double-well potential
Creators: name: Lelas, K.
name: Jukić, D.
name: Buljan, H.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We calculate the reduced single-particle density matrix (RSPDM), momentum distributions, natural orbitals and their occupancies, for a strongly interacting one-dimensional Bose-Fermi mixture in a double-well potential with a large central barrier. For mesoscopic systems, we find that the ground state properties qualitatively differ for mixtures with even number of particles (both odd-odd and even-even mixtures) in comparison to mixtures with odd particle numbers (odd-even and even-odd mixtures). For even mixtures the momentum distribution is smooth, whereas the momentum distribution of odd mixtures possesses distinct modulations; the differences are observed also in the off-diagonal correlations of the RSPDM, and in the occupancies of natural orbitals. The calculation is based on a derived formula which enables efficient calculation of the RSPDM for mesoscopic mixtures in various potentials.
description: 10 figures
Reverse rotations in the circularly-driven motion of a rigid body
Creators: name: Parisio, Fernando
Publisher: name: arXiv
Year: 2008
Subjects: subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: We study the dynamical response of a circularly-driven rigid body, focusing on the description of intrinsic rotational behavior (reverse rotations). The model system we address is integrable but nontrivial, allowing for qualitative and quantitative analysis. A scale free expression defining the separation between possible spinning regimes is obtained.
description: This work is accepted for publication as a Rapid Communication in Physical Review E
Pedagogia «tra sfide e utopie» e «società della conoscenza»
Creators: name: Colicchi, Enza
Publisher: name: Studi sulla Formazione
Year: 2009

description: When we talk about pedagogy we often think to “challenge” because it usually agrees lots of provocations from educational and social events. Not only. We talk also of “utopia” because pedagogy shows the direction of theoretical research. The author puts these arguments in critical and pedagogical reflections to offer a complex profile of contemporary subject.
description: Studi sulla Formazione, Anno XI, II-2008
The ultraluminous X-ray source population of NGC 4485/4490
Creators: name: Gladstone, J. C.
name: Roberts, T. P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report the results of spectral and temporal variability studies of the ultraluminous X-ray sources (ULXs) contained within the interacting pair of galaxies NGC 4485/4490, combining Chandra and XMM-Newton observations. Each of the four separate observations provide at least modest quality spectra and light curves for each of the six previously identified ULXs in this system; we also note the presence of a new transient ULX in the most recent observation. No short-term variability was observed for any ULX within our sample, but three out of five sources show correlated flux/spectral changes over longer timescales, with two others remaining stable in spectrum and luminosity over a period of at least five years. We model the spectra with simple power-law and multi-colour disc black body models. Although the data is insufficient to statistically distinguish models in each epoch, those better modelled (in terms of their chi^2 fit) by a multi-colour disc black body appear to show a disc-like correlation between luminosity and temperature, whereas those modelled by a power-law veer sharply away from such a relationship. The ULXs with possible correlated flux/spectral changes appear to change spectral form at ~2 x 10^39 erg s^{-1}, suggestive of a possible change in spectral state at high luminosities. If this transition is occurring between the very high state and a super-Eddington ultraluminous state, it indicates that the mass of the black holes in these ULXs is around 10-15 M_solar.
description: Accepted by MNRAS
GALEX Observations of CS and OH Emission in Comet 9P/Tempel 1 During Deep Impact
Creators: name: Feldman, Paul D.
name: McCandliss, Stephan R.
name: Morgenthaler, Jeffrey P.
name: Lisse, Carey M.
name: Weaver, Harold A.
name: A'Hearn, Michael F.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: GALEX observations of comet 9P/Tempel 1 using the near ultraviolet (NUV) objective grism were made before, during and after the Deep Impact event that occurred on 2005 July 4 at 05:52:03 UT when a 370 kg NASA spacecraft was maneuvered into the path of the comet. The NUV channel provides usable spectral information in a bandpass covering 2000 - 3400 A with a point source spectral resolving power of approximately 100. The primary spectral features in this range include solar continuum scattered from cometary dust and emissions from OH and CS molecular bands centered near 3085 and 2575 A, respectively. In particular, we report the only cometary CS emission detected during this event. The observations allow the evolution of these spectral features to be tracked over the period of the encounter. In general, the NUV emissions observed from Tempel 1 are much fainter than those that have been observed by GALEX from other comets. However, it is possible to derive production rates for the parent molecules of the species detected by GALEX in Tempel 1 and to determine the number of these molecules liberated by the impact. The derived quiescent production rates are Q(H2O) = 6.4e27 molecules/s and Q(CS2) = 6.7e24 molecules/s, while the impact produced an additional 1.6e32 H2O molecules and 1.3e29 CS2 molecules, a similar ratio as in quiescent outgassing.
description: 15 pages, 4 figures, accepted for publication in the Astrophysical Journal
Background Story
Creators: name: Sheridan, Nathalie
Publisher: name: figshare
Year: 2021
Subjects: subject: 130103 Higher Education
subject: FOS: Educational sciences

description: This is a description of the thought process behind gamifying the course, I extended and edited it later for a publication in the Life Wide Magazine p.106 for more lwm_23.pdf (lifewideeducation.uk)
Ben educati. Appunti per una genealogia del discorso pedagogico
Creators: name: Simoncini, Alessandro
Publisher: name: Studi sulla Formazione
Year: 2009

description: In this essay the author shows the modernity and actuality of pedagogical speech. A deep re-flection about genealogy of educative course would be necessary to understand the contempo-rary social problems. The communication is one of more important instruments of educa-tional relationship today.
description: Studi sulla Formazione, Anno XI, II-2008
title: GOI-FOI palaeo-hydrocarbon assessment of the Birrindudu Basin
Creators: name: J., Anderson
name: R., Kempton
name: S., Perera
Publisher: name: Commonwealth of Australia (Geoscience Australia)
Year: 2023
Subjects: subject: EFTF – Exploring for the Future
subject: Officer–Musgrave–Birrindudu
subject: Birrindudu Basin
subject: hydrocarbon
subject: oil inclusion
subject: Resource geoscience
subject: Published_External

description: Geoscience Australia’s Exploring for the Future (EFTF) program is a multi-year Australian Government initiative, led by Geoscience Australia in partnership with State and Territory governments. The EFTF program provides precompetitive information to inform decision-making by government, community and industry on the sustainable development of Australia's mineral, energy and groundwater resources. By gathering, analysing and interpreting new and existing precompetitive geoscience data and information, we are building a national picture of Australia’s geology and resource potential. This leads to a strong economy, resilient society and sustainable environment for the benefit of all Australians. This includes supporting Australia’s transition to a low emissions economy, strong resources and agriculture sectors, and economic opportunities and social benefits for Australia’s regional and remote communities. The EFTF program, which commenced in 2016, is an eight year, $225 million investment by the Australian Government.
This report presents the results of Grains with Oil Inclusions (GOI™) and Frequency of Oil Inclusions (FOI™) on rock samples from three selected drill holes across the Birrindudu Basin. Forty-five samples were obtained from drill holes WLMB001B, ANT003 and 99VRNTGSDD1. GOI™ and FOI™ was conducted on sedimentary and carbonate vein lithologies to investigate the potential presence of oil inclusions. Oil inclusions were recorded in samples taken from drill holes WLMB001B and ANT003, but not 99VRNTGSDD1. Analysis was undertaken by CSIRO under contract to Geoscience Australia.
Structure of Relativistic Stars Composed of Incompressible Matter in the Absence of Strict Electroneutrality
Creators: name: Kramarev, N. I.
name: Yudin, A. V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The structure of a star composed of locally non-electroneutral incompressible three-component matter is considered within the framework of general relativity. For thermodynamic quantities like the pressure, the solution can be represented as a series in the small parameter $1/Λ_{\mathrm G}\sim 10^{-36}$, where the first approximation is the well-known electroneutral solution. However, the equilibrium equations for the chemical potentials of the matter components, as it turns out, contain finite contributions from non-electroneutrality effects even in the zeroth order. Analytical solutions have been obtained for all of the parameters of the problem under consideration, which are illustrated by numerical examples.
description: 18 pages, 5 figs
High Resolution X-ray Imaging of Supernova Remnant 1987A
Creators: name: Ng, C. -Y.
name: Gaensler, B. M.
name: Murray, S. S.
name: Slane, P. O.
name: Park, S.
name: Staveley-Smith, L.
name: Manchester, R. N.
name: Burrows, D. N.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report observations of the remnant of Supernova 1987A with the High Resolution Camera (HRC) onboard the Chandra X-ray Observatory. A direct image from the HRC resolves the annular structure of the X-ray remnant, confirming the morphology previously inferred by deconvolution of lower resolution data from the Advanced CCD Imaging Spectrometer. Detailed spatial modeling shows that the a thin ring plus a thin shell gives statistically the best description of the overall remnant structure, and suggests an outer radius 0.96" +/- 0.05" +/- 0.03" for the X-ray-emitting region, with the two uncertainties corresponding to the statistical and systematic errors, respectively. This is very similar to the radius determined by a similar modeling technique for the radio shell at a comparable epoch, in contrast to previous claims that the remnant is 10-15% smaller at X-rays than in the radio band. The HRC observations put a flux limit of 0.010 cts/s (99% confidence level, 0.08-10 keV range) on any compact source at the remnant center. Assuming the same foreground neutral hydrogen column density as towards the remnant, this allows us to rule out an unobscured neutron star with surface temperature T^\infty > 2.5MK observed at infinity, a bright pulsar wind nebula or a magnetar.
description: 6 pages, 3 figures, accepted by ApJL, some figures have been scaled down in resolution
Nonreciprocal spin-wave dynamics in Pt/Co/W/Co/Pt multilayers
Creators: name: Szulc, Krzysztof
name: Mendisch, Simon
name: Mruczkiewicz, Michał
name: Casoli, Francesca
name: Becherer, Markus
name: Gubbiotti, Gianluca
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a detailed study of the spin-wave dynamics in single Pt/Co/W and double Pt/Co/W/Co/Pt ferromagnetic layer systems. The dispersion of spin waves was measured by wavevector-resolved Brillouin light scattering spectroscopy while the in-plane and out-of-plane magnetization curves were measured by alternating gradient field magnetometry. The interfacial Dzyaloshinskii-Moriya interaction induced nonreciprocal dispersion relation was demonstrated for both single and double ferromagnetic layers and explicated by numerical simulations and theoretical formulas. The results indicate the crucial role of the order of layers deposition on the magnetic parameters. A significant difference between the perpendicular magnetic anisotropy constant in double ferromagnetic layer systems conduces to the decline of the interlayer interactions and different dispersion relations for the spin-wave modes. Our study provides a significant contribution to the realization of the multifunctional nonreciprocal magnonic devices based on ultrathin ferromagnetic/heavy-metal layer systems.
description: This version of the manuscript is a prereview first-submission version. 10 pages, 4 figures
Three component fermion pairing in two dimensions
Creators: name: De Silva, Theja N.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We study pairing of an interacting three component Fermi gas in two dimensions. By using a mean field theory to decouple the interactions between different pairs of Fermi components, we study the free energy landscapes as a function of various system parameters including chemical potentials, binding energies, and temperature. We find that the s-wave pairing channel is determined by both chemical potentials and the interaction strengths between the three available channels. We find a second order thermal phase transition and a series of first order quantum phase transitions for a homogenous system as we change the parameters. In particular, for symmetric parameters, we find the simultaneous existence of three superfluid orders as well as re-entrant quantum phase transitions as we tune the parameters.
description: 6 pages and 5 figures. Published version
Membrane fluctuations near a plane rigid surface
Creators: name: Farago, Oded
Publisher: name: arXiv
Year: 2008
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We use analytical calculations and Monte Carlo simulations to determine the thermal fluctuation spectrum of a membrane patch of a few tens of nanometer in size, whose corners are located at a fixed distance $d$ above a plane rigid surface. Our analysis shows that the surface influence on the bilayer fluctuations can be effectively described in terms of a uniform confining potential that grows quadratically with the height of the membrane $h$ relative to the surface: $V=(1/2)γh^2$. The strength $γ$ of the harmonic confining potential vanishes when the corners of the membrane patch are placed directly on the surface ($d=0$), and achieves its maximum value when $d$ is of the order of a few nanometers. However, even at maximum strength the confinement effect is quite small and has noticeable impact only on the amplitude of the largest bending mode.
description: Accepted for publication in Phys. Rev. E
Lipschitz continuity properties for p-adic semi-algebraic and subanalytic functions
Creators: name: Cluckers, R.
name: Comte, G.
name: Loeser, F.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Algebraic Geometry (math.AG)
subject: Logic (math.LO)
subject: FOS: Mathematics
subject: 03C10, 03C98, 12J10 (Primary), 03C68, 11S80 (Secondary)

description: We prove that a (globally) subanalytic p-adic function which is locally Lipschitz continuous with some constant C is piecewise (globally on each piece) Lipschitz continuous with possibly some other constant, where the pieces can be taken subanalytic. We also prove the analogous result for a subanalytic family of functions depending on p-adic parameters. The statements also hold in a semi-algebraic set-up and also in finite extensions of the field of p-adic numbers. These results are p-adic analogues of results of K. Kurdyka over the real numbers. To encompass the total disconnectedness of p-adic fields, we need to introduce new methods adapted to the p-adic situation.
description: 21 pages
Kaon and Pion Electromagnetic Form Factor Ratios in the Light-Front
Creators: name: Dias, O. A. T.
name: Filho, V. S.
name: de Melo, J. P. B. C.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We have applied the light-front formalism to calculate the electromagnetic form factors for the pion and the kaon from two models at low and high energies in order to explore the differences between such models. We have also compared the results for the ratio $F_{K}(Q^2)/F_π(Q^2)$ with the experimental data up to 10 [GeV/c]$^2$ and we have observed that the theoretical results are in good concordance for low energies, but they are very different at higher energy scales.
description: Paper with 4 pages and 2 figures
Clustering of Radio Galaxies and Quasars
Creators: name: Donoso, Emilio
name: Li, Cheng
name: Kauffmann, Guinevere
name: Best, Philip N.
name: Heckman, Timothy M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We compute the cross-correlation between a sample of 14,000 radio-loud AGN (RLAGN) with redshifts between 0.4 and 0.8 selected from the Sloan Digital Sky Survey and a reference sample of 1.2 million luminous red galaxies in the same redshift range. We quantify how the clustering of radio-loud AGN depends on host galaxy mass and on radio luminosity. Radio-loud AGN are clustered more strongly on all scales than control samples of radio-quiet galaxies with the same stellar masses and redshifts, but the differences are largest on scales less than 1 Mpc. In addition, the clustering amplitude of the RLAGN varies significantly with radio luminosity on scales less than 1 Mpc. This proves that the gaseous environment of a galaxy on the scale of its dark matter halo, plays a key role in determining not only the probability that a galaxy is radio-loud AGN, but also the total luminosity of the radio jet. Next, we compare the clustering of radio galaxies with that of radio-loud quasars in the same redshift range. Unified models predict that both types of active nuclei should cluster in the same way. Our data show that most RLAGN are clustered more strongly than radio-loud QSOs, even when the AGN and QSO samples are matched in both black hole mass and radio luminosity. Only the most extreme RLAGN and RLQSOs in our sample, with radio luminosities in excess of 10^26 W/Hz, have similar clustering properties. The majority of the strongly evolving RLAGN population at z~0.5 are found in different environments to the quasars, and hence must be triggered by a different physical mechanism.
description: 12 pages, 13 Figures, submitted to MNRAS
Syndeticity and independent substitutions
Creators: name: Durand, Fabien
name: Rigo, Michel
Publisher: name: arXiv
Year: 2009
Subjects: subject: Combinatorics (math.CO)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 11B85, 68R15, 68Q45

description: We associate in a canonical way a substitution to any abstract numeration system built on a regular language. In relationship with the growth order of the letters, we define the notion of two independent substitutions. Our main result is the following. If a sequence $x$ is generated by two independent substitutions, at least one being of exponential growth, then the factors of $x$ appearing infinitely often in $x$ appear with bounded gaps. As an application, we derive an analogue of Cobham's theorem for two independent substitutions (or abstract numeration systems) one with polynomial growth, the other being exponential.
Narrazione e intercultura: un incontro cruciale
Creators: name: Cambi, Franco
Publisher: name: Studi sulla Formazione
Year: 2010

description: Bruner argues that narrative is the original paradigm of thought. It underlies the exercise of the mind through the construction of stories to the real. It is the «narrative thinking» that arises, then, logical thinking, scientific, metaphysical. Through the story the man has always given rise to exchanges of thought and life in every civilization and culture. The narrative also has a formative function and educational level intercultural because it helps to understand the difference in humanity. The author offers thoughts on narrative as a cognitive style and as a type of textuality.
description: Studi sulla Formazione, Anno XII, I/II-2009
No-splitting property and boundaries of random groups
Creators: name: Dahmani, François
name: Guirardel, Vincent
name: Przytycki, Piotr
Publisher: name: arXiv
Year: 2009
Subjects: subject: Geometric Topology (math.GT)
subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20F65, 20F67, 20E08

description: We prove that random groups in the Gromov density model, at any density, satisfy property (FA), i.e. they do not act non-trivially on trees. This implies that their Gromov boundaries, defined at density less than 1/2, are Menger curves.
description: 20 pages
The Effect of Differential Limb Magnification on Abundance Analysis of Microlensed Dwarf Stars
Creators: name: Johnson, Jennifer A.
name: Dong, Subo
name: Gould, Andrew
Publisher: name: arXiv
Year: 2009
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Finite source effects can be important in observations of gravitational microlensing of stars. Near caustic crossings, for example, some parts of the source star will be more highly magnified than other parts. The spectrum of the star is then no longer the same as when it is unmagnified, and measurements of the atmospheric parameters and abundances will be affected. The accuracy of abundances measured from spectra taken during microlensing events has become important recently because of the use of highly magnified dwarf stars to probe abundance ratios and the abundance distribution in the Galactic bulge. In this paper, we investigate the effect of finite source effects on spectra by using magnification profiles motivated by two events to synthesize spectra for dwarfs between 5000K to 6200K at solar metallicity. We adopt the usual techniques for analyzing the microlensed dwarfs, namely, spectroscopic determination of temperature, gravity, and microturbulent velocity, relying on equivalent widths. We find that ignoring the finite source effects for the more extreme case results in errors in Teff < 45K, in log g of <0.1 dex and in microturbulent velocity of <0.1 km/s. In total, changes in equivalent widths lead to small changes in atmospheric parameters and changes in abundances of <0.06 dex, with changes in [FeI/H] of <0.03 dex. For the case with a larger source-lens separation, the error in [FeI/H] is <0.01 dex. This latter case represents the maximum effect seen in events whose lightcurves are consistent with a point-source lens, which includes the majority of microlensed bulge dwarfs published so far.
description: 11 pages, 11 figures, submitted to ApJ
A nonlinear drift which leads to $κ$-generalized distributions
Creators: name: Wada, Tatsuaki
Publisher: name: arXiv
Year: 2009
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We consider a system described by a Fokker-Planck equation with a new type of momentum-dependent drift coefficient which asymptotically decreases as $-1/p$ for a large momentum $p$. It is shown that the steady-state of this system is a $κ$-generalized Gaussian distribution, which is a non-Gaussian distribution with a power-law tail.
description: Submitted to EPJB. 8 pages, 2 figures, dedicated to the proceedings of APFA7
New Neighbors: Parallaxes of 18 nearby stars selected from the LSPM-north catalog
Creators: name: Lepine, Sebastien
name: Thorstensen, John R.
name: Shara, Michael M.
name: Rich, R. Michael
Publisher: name: arXiv
Year: 2009
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present astrometric parallaxes for 18 suspected nearby stars selected from the LSPM-north proper motion catalog. Sixteen objects are confirmed to be main sequence M dwarfs within 16 parsecs of the Sun, including three stars (LSPM J0011+5908, LSPM J0330+5413, LSPM J0510+2714) which lie just within the 10 parsec horizon. Two other targets (LSPM J1817+1328, LSPM J2325+1403) are confirmed to be nearby white dwarfs at distances of 14 and 22 parsecs, respectively. One of our targets, the common proper motion pair LSPM J0405+7116E + LSPM J0405+7116W, is revealed to be a triple system, with the western component resolved into a pair of 16th magnitude stars (LSPM J0405+7116W-A and LSPM J0405+7116W-B) with a 0.7"+/-0.1" angular separation. We find two stars (LSPM J1314+1320 and LSPM J1757+7042) to be significantly overluminous for their colors, and suggest that these may be unresolved doubles/multiples.
description: 10 pages, to appear in the Astronomical Journal. Version 2, corrected for typos and small errors
Comprehensive Performance Evaluation of LID Practices for the Sponge City Construction: A Case Study in Guangxi, China
Creators: name: Qian, Li
name: Feng, Wang
name: Yang, Yu
name: Zhengce, Huang
name: Mantao, Li
name: Yuntao, Guan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: Sponge city construction is a new concept of urban stormwater management, which can effectively relieve urban flooding, reduce non-point source pollution, and promote the usage of rainwater resources, often including the application of Low Impact Development (LID) techniques. Although 30 cities in China have been chosen to implement sponge city construction, there is a lack of a quantitative evaluation method to evaluate the environmental, economic, and social benefits of LID practices. This paper develops a comprehensive evaluation system to quantify the benefits of different combinations of LID units using the Storm Water Management Model (SWMM) and the Analytical Hierarchy Process (AHP) method. The performance of five LID design scenarios with different locations and sizes of the bio-retention facility, the grassed swale, the sunken green space, the permeable pavement, and the storage tank were analyzed for a sports center project in Guangxi, China. Results indicated that the green scenario that contains 34.5% of bio-retention facilities and 46.0% of sunken green spaces had the best comprehensive performance regarding meeting the requirements of 75% annual total runoff reduction and the attainment of good operation performance, rainwater utilization, landscape promotion, and ecological service functions, mainly because they are micro-scale and decentralized facilities that can manage stormwater at the source through the natural process. The optimal scenario was adopted to construct the project, and the proposed evaluation system can also be applied to optimal selection and performance effect evaluation of LID practices in other sponge city projects.
Il bambino e il suo ambiente: cose dei bambini e cose per i bambini nel dibattito storiografico
Creators: name: Ferrari, Monica
Publisher: name: Studi sulla Formazione
Year: 2011

description: This paper shows how, despite much has been done in relation to history of childhood during the second half of the twentieth century, there is still much to do. The work of Philippe Ariès is the beginning of discussion and this work is the benchmark for all authors of the history of childhood Dominique Julia and Egle Becchi have worked a lot on the “lessons of things” that part of the environment and the practical use of objects and it is socially aimed, directly or indirectly in the education of citizens. The essay offers a very articulate historical overview and a precise bibliographic reconstruction.
description: Studi sulla Formazione, Anno XIII, I-2010
The Development and Clinical Significance of the Curve of Spee in Orthodontics and Prosthodontics - Conventional and Digital Approaches
Creators: name: Almutawa, Nawal
Publisher: name: Archive of Orofacial Data Science
Year: 2025
Subjects: curve of Spee
orthodontics
prosthodontics
digital
clear aligner

description: AIM: To enhance the understanding of the development of the curve of Spee, its significance in orthodontics and prosthodontics, and its management using conventional and digital orthodontics.


METHODS: Records were gathered from PubMed (279) and Google Scholar (421), along with four from supplementary methods. After eliminating 110 duplicates, 590 records were screened. Exclusion criteria removed studies on animals, seminar presentations, opinion pieces, and incomplete data. This process led to the inclusion of 16 articles after assessing potential relevance.


RESULTS: Insights into the historical context and development of the curve of Spee were addressed. Various methods of measuring the curve of Spee, including cast models, 3D models, lateral cephalograms, and CBCT, were briefly discussed. Its significance in prosthodontics and orthodontics was thoroughly explained. Methods for leveling the curve of Spee were examined in both conventional and digital orthodontics, along with their long-term stability.


CONCLUSION: Through a comprehensive review of the literature, several key findings have emerged that elucidate its historical development and role in both orthodontics and prosthodontics. Leveling the curve of Spee in orthodontics is critical, as orthodontists encounter it in nearly every case of treatment. It is recommended that further studies be conducted.
description: Archive of Orofacial Data Science, Bd. 2 (2025)
W+3 jet production at the LHC as a signal or background
Creators: name: Melnikov, Kirill
name: Zanderighi, Giulia
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss the production of W bosons in association with three jets at the LHC. We investigate how next-to-leading order QCD corrections modify basic kinematic distributions of jets and leptons. We also address the magnitude of NLO QCD effects in W+3 jet observables, relevant for SUSY searches at the LHC.
description: 10 pages, 13 figures, OUTP-09-26-P
Dal Mythos al Logos. Genealogia della Pedagogical Turn
Creators: name: Segreto, Viviana
Publisher: name: Studi sulla Formazione
Year: 2013

description: It is possible to identify an original pedagogical turn starting from classical world, when the theoretical thinking and the organization of a shared public space involve in the constitution of pedagogical science, which must found an educational model useful in the new theoretical and political context. The turning point is located in the devaluation of religious-mythical education, thinking image as false, and in the founding of the paradigm of identity, based on word as true.
description: Studi sulla Formazione, Anno XV, II-2012
A holomorphic and background independent partition function for matrix models and topological strings
Creators: name: Eynard, Bertrand
name: Marino, Marcos
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study various properties of a nonperturbative partition function which can be associated to any spectral curve. When the spectral curve arises from a matrix model, this nonperturbative partition function is given by a sum of matrix integrals over all possible filling fractions, and includes all the multi-instanton corrections to the perturbative 1/N expansion. We show that the nonperturbative partition function, which is manifestly holomorphic, is also modular and background independent: it transforms as the partition function of a twisted fermion on the spectral curve. Therefore, modularity is restored by nonperturbative corrections. We also show that this nonperturbative partition function obeys the Hirota equation and provides a natural nonperturbative completion for topological string theory on local Calabi-Yau threefolds.
description: 40 pages, 11 figures, added reference and additional results on background independence
New Formulas for the Euler-Mascheroni Constant and other Consequences derived from the Acceptance of Hyperbolicity of Jensen Polynomials and the Analysis of the Turán Moments for the ξ-Function
Creators: name: Mantzakouras, Nikos
name: López, Carlos
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Mathematics (math.GM)
subject: FOS: Mathematics

description: The Euler-Mascheroni constant is calculated by three novel representations over these sets respectively: 1) Turán moments, 2) coefficients of Jensen polynomials for the Taylor series of the Riemann Xi function at s=1/2+i.t and 3) even coefficients of the Riemann Xi function around s=1/2. These findings support the acceptance of the property of hyperbolicity of Jensen polynomials within the scope of the Riemann Hypothesis due to exactness on the approximations calculated not only for the Euler-Mascheroni constant but also for the Bernoulli numbers and the even derivatives of the Riemann Xi function at s=1/2. The new formulas are linked to similar patterns observed in the formulation of the Akiyama-Tanigawa algorithm based on the Gregory coefficients of second order and lead to understanding the Riemann zeta function as a bridge between the Gregory coefficients and other relevant sets
description: 25 pages , 3 figures