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In special relativity theory the physical quantities are generally expressed as function of the velocity. In the particular case of an extended object, the factor 1/gamma of Lorentz contraction of its length in the direction of motion is…

综合物理 · 物理学 2013-07-25 E. R. Cazaroto

We introduce three forms of generalized contraction (GC). Roughly speaking, these are motivated by allowing contraction to take place after small transients in time and/or amplitude. Indeed, contraction is usually used to prove asymptotic…

动力系统 · 数学 2014-06-06 Eduardo D. Sontag , Michael Margaliot , Tamir Tuller

A field theory with generalized statistics in one space dimension is introduced. The statistics enters the scene through the coupling of the matter fields to a statistical gauge field, as it happens in the Chern-Simons theory in two…

凝聚态物理 · 物理学 2009-10-28 Silvio J. Rabello

We consider random walks on finite vertex-transitive graphs $\Gamma$ of bounded degree. We find a simple geometric condition which characterises the cover time fluctuations: the suitably normalised cover time converges to a standard Gumbel…

概率论 · 数学 2026-01-22 Nathanaël Berestycki , Jonathan Hermon , Lucas Teyssier

Last years a certain attention was attracted to the statement that Hamiltonian formulations of General Relativity, in which different parametrizations of gravitational variables were used, may not be related by a canonical transformation.…

广义相对论与量子宇宙学 · 物理学 2011-03-28 T. P. Shestakova

Implementing Poincar\'e's `geometric conventionalism' a scalar Lorentz-covariant gravity model is obtained based on gravitationally modified Lorentz transformations (or GMLT). The modification essentially consists of an appropriate…

广义相对论与量子宇宙学 · 物理学 2015-06-25 Jan Broekaert

The Gaussian Process Convolution Model (GPCM; Tobar et al., 2015a) is a model for signals with complex spectral structure. A significant limitation of the GPCM is that it assumes a rapidly decaying spectrum: it can only model smooth…

机器学习 · 统计学 2022-04-15 Wessel P. Bruinsma , Martin Tegnér , Richard E. Turner

We consider a family of variational time discretizations that are generalizations of discontinuous Galerkin (dG) and continuous Galerkin-Petrov (cGP) methods. The family is characterized by two parameters. One describes the polynomial…

数值分析 · 数学 2021-04-26 Simon Becher , Gunar Matthies

The general theory of relativity is currently the accepted theory of gravity and as such, a large repository of test results has been obtained since its inception in 1915. However, in this paper we only focus on what are considered as the…

广义相对论与量子宇宙学 · 物理学 2020-04-20 Majid Karimabadi , S. Aliasghar Alavi , Davood Mahdavian Yekta

In this paper, it is shown why Lorentz Transformation implies the general case where observed events are not necessarily in the inertia frame of any observer but assumes a special scenario when determining the length contraction and time…

综合物理 · 物理学 2012-09-24 Ibrahim M. Alabdulmohsin

Equations of motion for the light-like QCD Wilson loops are studied in the generalized loop space (GLS) setting. To this end, the classically conformal-invariant non-local variations of the cusped Wilson exponentials lying (partially) on…

高能物理 - 唯象学 · 物理学 2015-03-06 I. O. Cherednikov , T. Mertens

We study absolute-continuity properties of a class of stochastic processes, including the gamma and the Dirichlet processes. We prove that the laws of a general class of non-linear transformations of such processes are locally equivalent to…

概率论 · 数学 2007-06-21 Max-K. Von Renesse , Marc Yor , Lorenzo Zambotti

The Generalized Central Limit Theorem is a remarkable generalization of the Central Limit Theorem, showing that the sum of a large number of independent, identically-distributed (i.i.d) random variables with infinite variance may converge…

统计力学 · 物理学 2020-02-19 Ariel Amir

Based on a generalization of Bohr's equivalence relation for general Dirichlet series, in this paper we study the sets of values taken by certain classes of equivalent almost periodic functions in their strips of almost periodicity. In…

复变函数 · 数学 2018-01-11 J. M. Sepulcre , T. Vidal

A Thorin process is a stochastic process with independent and stationary increments whose laws are weak limits of finite convolutions of gamma distributions. Many popular L\'evy processes fall under this class. The Thorin class can be…

概率论 · 数学 2025-04-23 Lorenzo Torricelli

We prove mod-Gaussian convergence for a Dirichlet polynomial which approximates $\operatorname{Im}\log\zeta(1/2+it)$. This Dirichlet polynomial is sufficiently long to deduce Selberg's central limit theorem with an explicit error term.…

数论 · 数学 2013-12-03 Martin Wahl

Christoffel deformation of a measure on the real line consists of multipying this measure by a squared polynomial having its roots in $\R$. We introduce Christoffel deformations of discrete orthogonal polynomial ensembles by considering the…

概率论 · 数学 2024-03-08 Pierre Lazag

This paper presents a generalization for Differential and Integral Calculus. Just as the derivative is the instantaneous angular coefficient of the tangent line to a function, the generalized derivative is the instantaneous parameter value…

综合数学 · 数学 2023-03-21 Fernando Marques de Almeida Nogueira

An involution is a bijection that is its own inverse. Given a permutation $\sigma$ of $[n],$ let $\mathsf{invol}(\sigma)$ denote the number of ways $\sigma$ can be expressed as a composition of two involutions of $[n].$ We prove that the…

组合数学 · 数学 2025-08-22 Charles Burnette

Geometrically convex functions constitute an interesting class of functions obtained by replacing the arithmetic mean with the geometric mean in the definition of convexity. As recently suggested, geometric convexity may be a sensible…

风险管理 · 定量金融 2024-03-12 Mücahit Aygün , Fabio Bellini , Roger J. A. Laeven