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arxiv | Title: Calculation of prompt diphoton production cross sections at Tevatron and LHC energies
Abstract: A fully differential calculation in perturbative quantum chromodynamics is presented for the production of massive photon pairs at hadron colliders. All next-to-leading order perturbative contributions from quark-an... |
arxiv | Title: Sparsity-certifying Graph Decompositions
Abstract: We describe a new algorithm, the $(k,\ell)$-pebble game with colors, and use it obtain a characterization of the family of $(k,\ell)$-sparse graphs and algorithmic solutions to a family of problems concerning tree decompositions of graphs. Special instances of s... |
arxiv | Title: The evolution of the Earth-Moon system based on the dark matter field fluid model
Abstract: The evolution of Earth-Moon system is described by the dark matter field fluid model proposed in the Meeting of Division of Particle and Field 2004, American Physical Society. The current behavior of the Earth-Moon syst... |
arxiv | Title: A determinant of Stirling cycle numbers counts unlabeled acyclic single-source automata
Abstract: We show that a determinant of Stirling cycle numbers counts unlabeled acyclic single-source automata. The proof involves a bijection from these automata to certain marked lattice paths and a sign-reversing involut... |
arxiv | Title: From dyadic $\Lambda_{\alpha}$ to $\Lambda_{\alpha}$
Abstract: In this paper we show how to compute the $\Lambda_{\alpha}$ norm, $\alpha\ge 0$, using the dyadic grid. This result is a consequence of the description of the Hardy spaces $H^p(R^N)$ in terms of dyadic and special atoms. |
arxiv | Title: Bosonic characters of atomic Cooper pairs across resonance
Abstract: We study the two-particle wave function of paired atoms in a Fermi gas with tunable interaction strengths controlled by Feshbach resonance. The Cooper pair wave function is examined for its bosonic characters, which is quantified by the correct... |
arxiv | Title: Polymer Quantum Mechanics and its Continuum Limit
Abstract: A rather non-standard quantum representation of the canonical commutation relations of quantum mechanics systems, known as the polymer representation has gained some attention in recent years, due to its possible relation with Planck scale physics. In p... |
arxiv | Title: Numerical solution of shock and ramp compression for general material properties
Abstract: A general formulation was developed to represent material models for applications in dynamic loading. Numerical methods were devised to calculate response to shock and ramp compression, and ramp decompression, generalizi... |
arxiv | Title: The Spitzer c2d Survey of Large, Nearby, Insterstellar Clouds. IX. The Serpens YSO Population As Observed With IRAC and MIPS
Abstract: We discuss the results from the combined IRAC and MIPS c2d Spitzer Legacy observations of the Serpens star-forming region. In particular we present a set of criteria for isolat... |
arxiv | Title: Partial cubes: structures, characterizations, and constructions
Abstract: Partial cubes are isometric subgraphs of hypercubes. Structures on a graph defined by means of semicubes, and Djokovi\'{c}'s and Winkler's relations play an important role in the theory of partial cubes. These structures are employed in th... |
arxiv | Title: Computing genus 2 Hilbert-Siegel modular forms over $\Q(\sqrt{5})$ via the Jacquet-Langlands correspondence
Abstract: In this paper we present an algorithm for computing Hecke eigensystems of Hilbert-Siegel cusp forms over real quadratic fields of narrow class number one. We give some illustrative examples usi... |
arxiv | Title: Distribution of integral Fourier Coefficients of a Modular Form of Half Integral Weight Modulo Primes
Abstract: Recently, Bruinier and Ono classified cusp forms $f(z) := \sum_{n=0}^{\infty} a_f(n)q ^n \in S_{\lambda+1/2}(\Gamma_0(N),\chi)\cap \mathbb{Z}[[q]]$ that does not satisfy a certain distribution proper... |
arxiv | Title: $p$-adic Limit of Weakly Holomorphic Modular Forms of Half Integral Weight
Abstract: Serre obtained the p-adic limit of the integral Fourier coefficient of modular forms on $SL_2(\mathbb{Z})$ for $p=2,3,5,7$. In this paper, we extend the result of Serre to weakly holomorphic modular forms of half integral weig... |
arxiv | Title: Iterated integral and the loop product
Abstract: In this article we discuss a relation between the string topology and differential forms based on the theory of Chen's iterated integrals and the cyclic bar complex. |
arxiv | Title: Fermionic superstring loop amplitudes in the pure spinor formalism
Abstract: The pure spinor formulation of the ten-dimensional superstring leads to manifestly supersymmetric loop amplitudes, expressed as integrals in pure spinor superspace. This paper explores different methods to evaluate these integrals and t... |
arxiv | Title: Lifetime of doubly charmed baryons
Abstract: In this work, we evaluate the lifetimes of the doubly charmed baryons $\Xi_{cc}^{+}$, $\Xi_{cc}^{++}$ and $\Omega_{cc}^{+}$. We carefully calculate the non-spectator contributions at the quark level where the Cabibbo-suppressed diagrams are also included. The hadronic... |
arxiv | Title: Spectroscopic Observations of the Intermediate Polar EX Hydrae in Quiescence
Abstract: Results from spectroscopic observations of the Intermediate Polar (IP) EX Hya in quiescence during 1991 and 2001 are presented. Spin-modulated radial velocities consistent with an outer disc origin were detected for the firs... |
arxiv | Title: In quest of a generalized Callias index theorem
Abstract: We give a prescription for how to compute the Callias index, using as regulator an exponential function. We find agreement with old results in all odd dimensions. We show that the problem of computing the dimension of the moduli space of self-dual strings... |
arxiv | Title: Approximation for extinction probability of the contact process based on the Gr\"obner basis
Abstract: In this note we give a new method for getting a series of approximations for the extinction probability of the one-dimensional contact process by using the Gr\"obner basis. |
arxiv | Title: Measurement of the Hadronic Form Factor in D0 --> K- e+ nue Decays
Abstract: The shape of the hadronic form factor f+(q2) in the decay D0 --> K- e+ nue has been measured in a model independent analysis and compared with theoretical calculations. We use 75 fb(-1) of data recorded by the BABAR detector at the PEPI... |
arxiv | Title: Molecular Synchronization Waves in Arrays of Allosterically Regulated Enzymes
Abstract: Spatiotemporal pattern formation in a product-activated enzymic reaction at high enzyme concentrations is investigated. Stochastic simulations show that catalytic turnover cycles of individual enzymes can become coherent an... |
arxiv | Title: Stochastic Lie group integrators
Abstract: We present Lie group integrators for nonlinear stochastic differential equations with non-commutative vector fields whose solution evolves on a smooth finite dimensional manifold. Given a Lie group action that generates transport along the manifold, we pull back the sto... |
arxiv | Title: ALMA as the ideal probe of the solar chromosphere
Abstract: The very nature of the solar chromosphere, its structuring and dynamics, remains far from being properly understood, in spite of intensive research. Here we point out the potential of chromospheric observations at millimeter wavelengths to resolve this ... |
arxiv | Title: Formation of quasi-solitons in transverse confined ferromagnetic film media
Abstract: The formation of quasi-2D spin-wave waveforms in longitudinally magnetized stripes of ferrimagnetic film was observed by using time- and space-resolved Brillouin light scattering technique. In the linear regime it was found t... |
arxiv | Title: Spectroscopic Properties of Polarons in Strongly Correlated Systems by Exact Diagrammatic Monte Carlo Method
Abstract: We present recent advances in understanding of the ground and excited states of the electron-phonon coupled systems obtained by novel methods of Diagrammatic Monte Carlo and Stochastic Optimiz... |
arxiv | Title: Placeholder Substructures II: Meta-Fractals, Made of Box-Kites, Fill Infinite-Dimensional Skies
Abstract: Zero-divisors (ZDs) derived by Cayley-Dickson Process (CDP) from N-dimensional hypercomplex numbers (N a power of 2, at least 4) can represent singularities and, as N approaches infinite, fractals -- and t... |
arxiv | Title: Filling-Factor-Dependent Magnetophonon Resonance in Graphene
Abstract: We describe a peculiar fine structure acquired by the in-plane optical phonon at the Gamma-point in graphene when it is brought into resonance with one of the inter-Landau-level transitions in this material. The effect is most pronounced when... |
arxiv | Title: Pfaffians, hafnians and products of real linear functionals
Abstract: We prove pfaffian and hafnian versions of Lieb's inequalities on determinants and permanents of positive semi-definite matrices. We use the hafnian inequality to improve the lower bound of R\'ev\'esz and Sarantopoulos on the norm of a product ... |
arxiv | Title: Understanding the Flavor Symmetry Breaking and Nucleon Flavor-Spin Structure within Chiral Quark Model
Abstract: In $\XQM$, a quark can emit Goldstone bosons. The flavor symmetry breaking in the Goldstone boson emission process is used to intepret the nucleon flavor-spin structure. In this paper, we study the ... |
arxiv | Title: Tuning correlation effects with electron-phonon interactions
Abstract: We investigate the effect of tuning the phonon energy on the correlation effects in models of electron-phonon interactions using DMFT. In the regime where itinerant electrons, instantaneous electron-phonon driven correlations and static disto... |
arxiv | Title: Crystal channeling of LHC forward protons with preserved distribution in phase space
Abstract: We show that crystal can trap a broad (x, x', y, y', E) distribution of particles and channel it preserved with a high precision. This sampled-and-hold distribution can be steered by a bent crystal for analysis downs... |
arxiv | Title: Probing non-standard neutrino interactions with supernova neutrinos
Abstract: We analyze the possibility of probing non-standard neutrino interactions (NSI, for short) through the detection of neutrinos produced in a future galactic supernova (SN).We consider the effect of NSI on the neutrino propagation through... |
arxiv | Title: Convergence of the discrete dipole approximation. I. Theoretical analysis
Abstract: We performed a rigorous theoretical convergence analysis of the discrete dipole approximation (DDA). We prove that errors in any measured quantity are bounded by a sum of a linear and quadratic term in the size of a dipole d, w... |
arxiv | Title: Origin of adaptive mutants: a quantum measurement?
Abstract: This is a supplement to the paper arXiv:q-bio/0701050, containing the text of correspondence sent to Nature in 1990. |
arxiv | Title: Convergence of the discrete dipole approximation. II. An extrapolation technique to increase the accuracy
Abstract: We propose an extrapolation technique that allows accuracy improvement of the discrete dipole approximation computations. The performance of this technique was studied empirically based on extens... |
arxiv | Title: A remark on the number of steady states in a multiple futile cycle
Abstract: The multisite phosphorylation-dephosphorylation cycle is a motif repeatedly used in cell signaling. This motif itself can generate a variety of dynamic behaviors like bistability and ultrasensitivity without direct positive feedbacks. I... |
arxiv | Title: The discrete dipole approximation for simulation of light scattering by particles much larger than the wavelength
Abstract: In this manuscript we investigate the capabilities of the Discrete Dipole Approximation (DDA) to simulate scattering from particles that are much larger than the wavelength of the inciden... |
arxiv | Title: The discrete dipole approximation: an overview and recent developments
Abstract: We present a review of the discrete dipole approximation (DDA), which is a general method to simulate light scattering by arbitrarily shaped particles. We put the method in historical context and discuss recent developments, taking ... |
arxiv | Title: Scalar radius of the pion and zeros in the form factor
Abstract: The quadratic pion scalar radius, \la r^2\ra^\pi_s, plays an important role for present precise determinations of \pi\pi scattering. Recently, Yndur\'ain, using an Omn\`es representation of the null isospin(I) non-strange pion scalar form factor, o... |
arxiv | Title: Multilinear function series in conditionally free probability with amalgamation
Abstract: As in the cases of freeness and monotonic independence, the notion of conditional freeness is meaningful when complex-valued states are replaced by positive conditional expectations. In this framework, the paper presents ... |
arxiv | Title: Quantum Group of Isometries in Classical and Noncommutative Geometry
Abstract: We formulate a quantum generalization of the notion of the group of Riemannian isometries for a compact Riemannian manifold, by introducing a natural notion of smooth and isometric action by a compact quantum group on a classical or n... |
arxiv | Title: General System theory, Like-Quantum Semantics and Fuzzy Sets
Abstract: It is outlined the possibility to extend the quantum formalism in relation to the requirements of the general systems theory. It can be done by using a quantum semantics arising from the deep logical structure of quantum theory. It is so poss... |
arxiv | Title: Nonequilibrium entropy limiters in lattice Boltzmann methods
Abstract: We construct a system of nonequilibrium entropy limiters for the lattice Boltzmann methods (LBM). These limiters erase spurious oscillations without blurring of shocks, and do not affect smooth solutions. In general, they do the same work for... |
arxiv | Title: Astrophysical gyrokinetics: kinetic and fluid turbulent cascades in magnetized weakly collisional plasmas
Abstract: We present a theoretical framework for plasma turbulence in astrophysical plasmas (solar wind, interstellar medium, galaxy clusters, accretion disks). The key assumptions are that the turbulence ... |
arxiv | Title: Evolution of solitary waves and undular bores in shallow-water flows over a gradual slope with bottom friction
Abstract: This paper considers the propagation of shallow-water solitary and nonlinear periodic waves over a gradual slope with bottom friction in the framework of a variable-coefficient Korteweg-de V... |
arxiv | Title: A limit relation for entropy and channel capacity per unit cost
Abstract: In a quantum mechanical model, Diosi, Feldmann and Kosloff arrived at a conjecture stating that the limit of the entropy of certain mixtures is the relative entropy as system size goes to infinity. The conjecture is proven in this paper fo... |
arxiv | Title: Intelligent location of simultaneously active acoustic emission sources: Part I
Abstract: The intelligent acoustic emission locator is described in Part I, while Part II discusses blind source separation, time delay estimation and location of two simultaneously active continuous acoustic emission sources. Th... |
arxiv | Title: Inference on white dwarf binary systems using the first round Mock LISA Data Challenges data sets
Abstract: We report on the analysis of selected single source data sets from the first round of the Mock LISA Data Challenges (MLDC) for white dwarf binaries. We implemented an end-to-end pipeline consisting of a ... |
arxiv | Title: An algorithm for the classification of smooth Fano polytopes
Abstract: We present an algorithm that produces the classification list of smooth Fano d-polytopes for any given d. The input of the algorithm is a single number, namely the positive integer d. The algorithm has been used to classify smooth Fano d-poly... |
arxiv | Title: Intelligent location of simultaneously active acoustic emission sources: Part II
Abstract: Part I describes an intelligent acoustic emission locator, while Part II discusses blind source separation, time delay estimation and location of two continuous acoustic emission sources. Acoustic emission (AE) analysi... |
arxiv | Title: Visualizing Teleportation
Abstract: A novel way of picturing the processing of quantum information is described, allowing a direct visualization of teleportation of quantum states and providing a simple and intuitive understanding of this fascinating phenomenon. The discussion is aimed at providing physicists a ... |
arxiv | Title: Quantum Field Theory on Curved Backgrounds. II. Spacetime Symmetries
Abstract: We study space-time symmetries in scalar quantum field theory (including interacting theories) on static space-times. We first consider Euclidean quantum field theory on a static Riemannian manifold, and show that the isometry group i... |
arxiv | Title: A Global Approach to the Theory of Special Finsler Manifolds
Abstract: The aim of the present paper is to provide a global presentation of the theory of special Finsler manifolds. We introduce and investigate globally (or intrinsically, free from local coordinates) many of the most important and most commonly us... |
arxiv | Title: The Hardy-Lorentz Spaces $H^{p,q}(R^n)$
Abstract: In this paper we consider the Hardy-Lorentz spaces $H^{p,q}(R^n)$, with $0<p\le 1$, $0<q\le \infty$. We discuss the atomic decomposition of the elements in these spaces, their interpolation properties, and the behavior of singular integrals and other operators ac... |
arxiv | Title: Potassium intercalation in graphite: A van der Waals density-functional study
Abstract: Potassium intercalation in graphite is investigated by first-principles theory. The bonding in the potassium-graphite compound is reasonably well accounted for by traditional semilocal density functional theory (DFT) calcul... |
arxiv | Title: Phase diagram of Gaussian-core nematics
Abstract: We study a simple model of a nematic liquid crystal made of parallel ellipsoidal particles interacting via a repulsive Gaussian law. After identifying the relevant solid phases of the system through a careful zero-temperature scrutiny of as many as eleven candida... |
arxiv | Title: High-spin to low-spin and orbital polarization transitions in multiorbital Mott systems
Abstract: We study the interplay of crystal field splitting and Hund coupling in a two-orbital model which captures the essential physics of systems with two electrons or holes in the e_g shell. We use single site dynamical... |
arxiv | Title: Intelligent Life in Cosmology
Abstract: I shall present three arguments for the proposition that intelligent life is very rare in the universe. First, I shall summarize the consensus opinion of the founders of the Modern Synthesis (Simpson, Dobzhanski, and Mayr) that the evolution of intelligent life is exceedin... |
arxiv | Title: The Mass and Radius of the Unseen M-Dwarf Companion in the Single-Lined Eclipsing Binary HAT-TR-205-013
Abstract: We derive masses and radii for both components in the single-lined eclipsing binary HAT-TR-205-013, which consists of a F7V primary and a late M-dwarf secondary. The system's period is short, $P=2.... |
arxiv | Title: Coulomb excitation of unstable nuclei at intermediate energies
Abstract: We investigate the Coulomb excitation of low-lying states of unstable nuclei in intermediate energy collisions ($E_{lab}\sim10-500$ MeV/nucleon). It is shown that the cross sections for the $E1$ and $E2$ transitions are larger at lower ener... |
arxiv | Title: Intersection Bodies and Generalized Cosine Transforms
Abstract: Intersection bodies represent a remarkable class of geometric objects associated with sections of star bodies and invoking Radon transforms, generalized cosine transforms, and the relevant Fourier analysis. The main focus of this article is interr... |
arxiv | Title: On-line Viterbi Algorithm and Its Relationship to Random Walks
Abstract: In this paper, we introduce the on-line Viterbi algorithm for decoding hidden Markov models (HMMs) in much smaller than linear space. Our analysis on two-state HMMs suggests that the expected maximum memory used to decode sequence of length... |
arxiv | Title: Experimental efforts in search of 76Ge Neutrinoless Double Beta Decay
Abstract: Neutrinoless double beta decay is one of the most sensitive approaches in non-accelerator particle physics to take us into a regime of physics beyond the standard model. This article is a brief review of the experiments in search of ... |
arxiv | Title: Nilpotent symmetry invariance in the superfield formulation: the (non-)Abelian 1-form gauge theories
Abstract: We capture the off-shell as well as the on-shell nilpotent Becchi-Rouet-Stora-Tyutin (BRST) and anti-BRST symmetry invariance of the Lagrangian densities of the four (3 + 1)-dimensional (4D) (non-)Abe... |
arxiv | Title: Littlewood-Richardson polynomials
Abstract: We introduce a family of rings of symmetric functions depending on an infinite sequence of parameters. A distinguished basis of such a ring is comprised by analogues of the Schur functions. The corresponding structure coefficients are polynomials in the parameters whic... |
arxiv | Title: Lagrangian quantum field theory in momentum picture. IV. Commutation relations for free fields
Abstract: Possible (algebraic) commutation relations in the Lagrangian quantum theory of free (scalar, spinor and vector) fields are considered from mathematical view-point. As sources of these relations are employed... |
arxiv | Title: Order of Epitaxial Self-Assembled Quantum Dots: Linear Analysis
Abstract: Epitaxial self-assembled quantum dots (SAQDs) are of interest for nanostructured optoelectronic and electronic devices such as lasers, photodetectors and nanoscale logic. Spatial order and size order of SAQDs are important to the developme... |
arxiv | Title: A Note About the {Ki(z)} Functions
Abstract: In the article [Petojevic 2006], A. Petojevi\' c verified useful properties of the $K_{i}(z)$ functions which generalize Kurepa's [Kurepa 1971] left factorial function. In this note, we present simplified proofs of two of these results and we answer the open question ... |
arxiv | Title: Dynamical Objects for Cohomologically Expanding Maps
Abstract: The goal of this paper is to construct invariant dynamical objects for a (not necessarily invertible) smooth self map of a compact manifold. We prove a result that takes advantage of differences in rates of expansion in the terms of a sheaf cohomolog... |
arxiv | Title: Coincidence of the oscillations in the dipole transition and in the persistent current of narrow quantum rings with two electrons
Abstract: The fractional Aharonov-Bohm oscillation (FABO) of narrow quantum rings with two electrons has been studied and has been explained in an analytical way, the evolution of t... |
arxiv | Title: Pairwise comparisons of typological profiles (of languages)
Abstract: No abstract given; compares pairs of languages from World Atlas of Language Structures. |
arxiv | Title: The decomposition method and Maple procedure for finding first integrals of nonlinear PDEs of any order with any number of independent variables
Abstract: In present paper we propose seemingly new method for finding solutions of some types of nonlinear PDEs in closed form. The method is based on decomposition ... |
arxiv | Title: A transcendental approach to Koll\'ar's injectivity theorem
Abstract: We treat Koll\'ar's injectivity theorem from the analytic (or differential geometric) viewpoint. More precisely, we give a curvature condition which implies Koll\'ar type cohomology injectivity theorems. Our main theorem is formulated for a co... |
arxiv | Title: Injective Morita contexts (revisited)
Abstract: This paper is an exposition of the so-called injective Morita contexts (in which the connecting bimodule morphisms are injective) and Morita $\alpha$contexts (in which the connecting bimodules enjoy some local projectivity in the sense of Zimmermann-Huisgen). Motiv... |
arxiv | Title: Strong decays of charmed baryons
Abstract: There has been important experimental progress in the sector of heavy baryons in the past several years. We study the strong decays of the S-wave, P-wave, D-wave and radially excited charmed baryons using the $^3P_0$ model. After comparing the calculated decay pattern a... |
arxiv | Title: CP violation in beauty decays
Abstract: Precision tests of the Kobayashi-Maskawa model of CP violation are discussed, pointing out possible signatures for other sources of CP violation and for new flavor-changing operators. The current status of the most accurate tests is summarized. |
arxiv | Title: Universal Forces and the Dark Energy Problem
Abstract: The Dark Energy problem is forcing us to re-examine our models and our understanding of relativity and space-time. Here a novel idea of Fundamental Forces is introduced. This allows us to perceive the General Theory of Relativity and Einstein's Equation from... |
arxiv | Title: Linear perturbations of matched spacetimes: the gauge problem and background symmetries
Abstract: We present a critical review about the study of linear perturbations of matched spacetimes including gauge problems. We analyse the freedom introduced in the perturbed matching by the presence of background symmet... |
arxiv | Title: Operator algebras associated with unitary commutation relations
Abstract: We define nonselfadjoint operator algebras with generators $L_{e_1},..., L_{e_n}, L_{f_1},...,L_{f_m}$ subject to the unitary commutation relations of the form \[ L_{e_i}L_{f_j} = \sum_{k,l} u_{i,j,k,l} L_{f_l}L_{e_k}\] where $u= (u_{i,j,k... |
arxiv | Title: Shaping the Globular Cluster Mass Function by Stellar-Dynamical Evaporation
Abstract: We show that the globular cluster mass function (GCMF) in the Milky Way depends on cluster half-mass density (rho_h) in the sense that the turnover mass M_TO increases with rho_h while the width of the GCMF decreases. We argu... |
arxiv | Title: Quantum Deformations of Relativistic Symmetries
Abstract: We discussed quantum deformations of D=4 Lorentz and Poincare algebras. In the case of Poincare algebra it is shown that almost all classical r-matrices of S. Zakrzewski classification correspond to twisted deformations of Abelian and Jordanian types. A p... |
arxiv | Title: Matter-Wave Bright Solitons with a Finite Background in Spinor Bose-Einstein Condensates
Abstract: We investigate dynamical properties of bright solitons with a finite background in the F=1 spinor Bose-Einstein condensate (BEC), based on an integrable spinor model which is equivalent to the matrix nonlinear Sc... |
arxiv | Title: Why there is something rather than nothing (out of everything)?
Abstract: The path integral over Euclidean geometries for the recently suggested density matrix of the Universe is shown to describe a microcanonical ensemble in quantum cosmology. This ensemble corresponds to a uniform (weight one) distribution in ... |
arxiv | Title: Formation of density singularities in ideal hydrodynamics of freely cooling inelastic gases: a family of exact solutions
Abstract: We employ granular hydrodynamics to investigate a paradigmatic problem of clustering of particles in a freely cooling dilute granular gas. We consider large-scale hydrodynamic moti... |
arxiv | Title: A Universality in PP-Waves
Abstract: We discuss a universality property of any covariant field theory in space-time expanded around pp-wave backgrounds. According to this property the space-time lagrangian density evaluated on a restricted set of field configurations, called universal sector, turns out to be sam... |
arxiv | Title: Clustering in a stochastic model of one-dimensional gas
Abstract: We give a quantitative analysis of clustering in a stochastic model of one-dimensional gas. At time zero, the gas consists of $n$ identical particles that are randomly distributed on the real line and have zero initial speeds. Particles begin to m... |
arxiv | Title: Approximate solutions to the Dirichlet problem for harmonic maps between hyperbolic spaces
Abstract: Our main result in this paper is the following: Given $H^m, H^n$ hyperbolic spaces of dimensional $m$ and $n$ corresponding, and given a Holder function $f=(s^1,...,f^{n-1}):\partial H^m\to \partial H^n$ betwee... |
arxiv | Title: Some new experimental photonic flame effect features
Abstract: The results of the spectral, energetical and temporal characteristics of radiation in the presence of the photonic flame effect are presented. Artificial opal posed on Cu plate at the temperature of liquid nitrogen boiling point (77 K) being irradiat... |
arxiv | Title: A general approach to statistical modeling of physical laws: nonparametric regression
Abstract: Statistical modeling of experimental physical laws is based on the probability density function of measured variables. It is expressed by experimental data via a kernel estimator. The kernel is determined objectivel... |
arxiv | Title: Real Options for Project Schedules (ROPS)
Abstract: Real Options for Project Schedules (ROPS) has three recursive sampling/optimization shells. An outer Adaptive Simulated Annealing (ASA) optimization shell optimizes parameters of strategic Plans containing multiple Projects containing ordered Tasks. A middle sh... |
arxiv | Title: Groups with finitely many conjugacy classes and their automorphisms
Abstract: We combine classical methods of combinatorial group theory with the theory of small cancellations over relatively hyperbolic groups to construct finitely generated torsion-free groups that have only finitely many classes of conjugate e... |
arxiv | Title: Energy density for chiral lattice fermions with chemical potential
Abstract: We study a recently proposed formulation of overlap fermions at finite density. In particular we compute the energy density as a function of the chemical potential and the temperature. It is shown that overlap fermions with chemical pot... |
arxiv | Title: Aspects of Electron-Phonon Self-Energy Revealed from Angle-Resolved Photoemission Spectroscopy
Abstract: Lattice contribution to the electronic self-energy in complex correlated oxides is a fascinating subject that has lately stimulated lively discussions. Expectations of electron-phonon self-energy effects fo... |
arxiv | Title: Timing and Lensing of the Colliding Bullet Clusters: barely enough time and gravity to accelerate the bullet
Abstract: We present semi-analytical constraint on the amount of dark matter in the merging bullet galaxy cluster using the classical Local Group timing arguments. We consider particle orbits in potenti... |
arxiv | Title: Geometry of Locally Compact Groups of Polynomial Growth and Shape of Large Balls
Abstract: We get asymptotics for the volume of large balls in an arbitrary locally compact group G with polynomial growth. This is done via a study of the geometry of G and a generalization of P. Pansu's thesis. In particular, we ... |
arxiv | Title: Much ado about 248
Abstract: In this note we present three representations of a 248-dimensional Lie algebra, namely the algebra of Lie point symmetries admitted by a system of five trivial ordinary differential equations each of order forty-four, that admitted by a system of seven trivial ordinary differential e... |
arxiv | Title: Conformal Field Theory and Operator Algebras
Abstract: We review recent progress in operator algebraic approach to conformal quantum field theory. Our emphasis is on use of representation theory in classification theory. This is based on a series of joint works with R. Longo. |
arxiv | Title: Sparsely-spread CDMA - a statistical mechanics based analysis
Abstract: Sparse Code Division Multiple Access (CDMA), a variation on the standard CDMA method in which the spreading (signature) matrix contains only a relatively small number of non-zero elements, is presented and analysed using methods of statistic... |
arxiv | Title: On Ando's inequalities for convex and concave functions
Abstract: For positive semidefinite matrices $A$ and $B$, Ando and Zhan proved the inequalities $||| f(A)+f(B) ||| \ge ||| f(A+B) |||$ and $||| g(A)+g(B) ||| \le ||| g(A+B) |||$, for any unitarily invariant norm, and for any non-negative operator monotone $... |
arxiv | Title: Topology Change of Black Holes
Abstract: The topological structure of the event horizon has been investigated in terms of the Morse theory. The elementary process of topological evolution can be understood as a handle attachment. It has been found that there are certain constraints on the nature of black hole to... |
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