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Gradients have been exploited in proposal distributions to accelerate the convergence of Markov chain Monte Carlo algorithms on discrete distributions. However, these methods require a natural differentiable extension of the target discrete…

机器学习 · 计算机科学 2023-02-28 Yue Xiang , Dongyao Zhu , Bowen Lei , Dongkuan Xu , Ruqi Zhang

At low temperature in the epsilon regime of QCD the low-end of the Dirac spectrum is described by random matrix theory. In contrast, there has been no similarly well established staistical description in the high temperature, chirally…

高能物理 - 格点 · 物理学 2010-11-16 Tamas G. Kovacs , Ferenc Pittler

It is well known that a binomial $(n,p)$ can be approximated by a Poisson distribution with parameter $np$. The typical approach in undergraduate probability texts is to show a convergence result for the distribution of the binomial as $n$…

概率论 · 数学 2026-05-05 Rinaldo B. Schinazi

We formulate necessary and sufficient conditions for an arbitrary discrete probability distribution to factor according to an undirected graphical model, or a log-linear model, or other more general exponential models. This result…

人工智能 · 计算机科学 2013-01-07 Dan Geiger , Christopher Meek , Bernd Sturmfels

We show that the distribution function of the first particle in a discrete orthogonal polynomial ensemble can be obtained through a certain recurrence procedure, if the (difference or q-) log-derivative of the weight function is rational.…

数学物理 · 物理学 2009-11-07 Alexei Borodin , Dmitriy Boyarchenko

We consider scattering by an abstract compactly supported perturbation in R^n. To include the traditional cases of potential, obstacle and metric scattering without going into their particular nature we adopt the "black box" formalism…

几何拓扑 · 数学 2007-05-23 Maciej Zworski

Probability distributions produced by the cross-entropy loss for ordinal classification problems can possess undesired properties. We propose a straightforward technique to constrain discrete ordinal probability distributions to be unimodal…

机器学习 · 统计学 2017-06-23 Christopher Beckham , Christopher Pal

In this paper, we discuss some theoretical results and properties of a discrete version of the Birnbaum-Saunders distribution. We present a proof of the unimodality of this model. Moreover, results on moments, quantile function, reliability…

统计方法学 · 统计学 2022-03-08 Filidor Vilca , Roberto Vila , Helton Saulo , Luis Sánchez , Jeremias Leão

We study different fractional extensions of the Poisson process and generalized counting processes by introducing time-change represented by the inverse to the sums of stable and tempered stable subordinators. We state the governing…

概率论 · 数学 2026-04-02 Lyudmyla Sakhno , Artem Storozhuk

The purpose of the present paper is to establish explicit bounds on moderate deviation probabilities for a rather general class of geometric functionals enjoying the stabilization property, under Poisson input and the assumption of a…

概率论 · 数学 2015-03-17 Peter Eichelsbacher , Martin Raic , Tomasz Schreiber

Non-uniform estimates are obtained for Poisson, compound Poisson, translated Poisson, negative binomial and binomial approximations to sums of of m-dependent integer-valued random variables. Estimates for Wasserstein metric also follow…

概率论 · 数学 2014-08-19 P. Vellaisamy , V. Cekanavicius

Moist thermodynamics is a fundamental driver of atmospheric dynamics across all scales, making accurate modeling of these processes essential for reliable weather forecasts and climate change projections. However, atmospheric models often…

大气与海洋物理 · 物理学 2024-11-18 Kieran Ricardo , David Lee , Kenneth Duru

We appeal to a complex q-Fourier transform as a generalization of the (real) one analyzed in [Milan J. Math. {\bf 76} (2008) 307]. By recourse to tempered ultra-distributions we are able to show that the q-Gaussian distribution can be…

数学物理 · 物理学 2015-06-12 A. Plastino , M. C. Rocca

We obtain discrete mixture representations for parametric families of probability distributions on Euclidean spheres, such as the von Mises--Fisher, the Watson and the angular Gaussian families. In addition to several special results we…

概率论 · 数学 2023-02-22 Ludwig Baringhaus , Rudolf Grübel

We analyze solvability of a special form of distributed order fractional differential equations within the space of tempered distributions supported by the positive half-line.

泛函分析 · 数学 2009-02-04 Teodor M. Atanackovic , Ljubica Oparnica , Stevan Pilipovic

We study the moments and the distribution of the discrete Choquet integral when regarded as a real function of a random sample drawn from a continuous distribution. Since the discrete Choquet integral includes weighted arithmetic means,…

概率论 · 数学 2015-05-13 Ivan Kojadinovic , Jean-Luc Marichal

It is shown that a separated sequence of points in the unit disc of the complex plane is in fact uniformly separated, if there exists a certain intermediate sequence whose separated subsequences are uniformly separated. This property is…

经典分析与常微分方程 · 数学 2018-10-01 Janne Gröhn , Artur Nicolau

We prove that the solution of certain linear stochastic differential equations in Hilbert spaces, namely those with bounded operators as well as the conservative stochastic Schr\"odinger equations, can be obtained - along the lines of the…

概率论 · 数学 2010-08-17 Günter Hinrichs

In this work we consider the primal mixed variational formulation of the Poisson equation with a line source. The analysis and approximation of this problem is non-standard as the line source causes the solutions to be singular. We start by…

偏微分方程分析 · 数学 2019-10-28 Ingeborg G. Gjerde , Kundan Kumar , Jan M. Nordbotten

Compound Poisson distributions and signed compound Poisson measures are used for approximation of the Markov binomial distribution. The upper and lower bound estimates are obtained for the total variation, local and Wasserstein norms. In a…

统计理论 · 数学 2010-11-29 V. Čekanavičius , P. Vellaisamy