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相关论文: Bounding Standard Gaussian Tail Probabilities

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We study the inequalities of the type $|\int_{\mathbb{R}^d} \Phi(K*f)| \lesssim \|f\|_{L_1(\mathbb{R}^d)}^p$, where the kernel $K$ is homogeneous of order $\alpha - d$ and possibly vector-valued, the function $\Phi$ is positively…

经典分析与常微分方程 · 数学 2021-09-17 Dmitriy Stolyarov

Divergences often play important roles for study in information science so that it is indispensable to investigate their fundamental properties. There is also a mathematical significance of such results. In this paper, we introduce some…

统计力学 · 物理学 2011-10-19 S. Furuichi , F. -C. Mitroi

The study of loss function distributions is critical to characterize a model's behaviour on a given machine learning problem. For example, while the quality of a model is commonly determined by the average loss assessed on a testing set,…

机器学习 · 计算机科学 2023-06-06 Etrit Haxholli , Marco Lorenzi

Laplace's method approximates a target density with a Gaussian distribution at its mode. It is computationally efficient and asymptotically exact for Bayesian inference due to the Bernstein-von Mises theorem, but for complex targets and…

机器学习 · 计算机科学 2026-03-12 Hanlin Yu , Marcelo Hartmann , Bernardo Williams , Mark Girolami , Arto Klami

This paper is an overview of the classical level crossing problem which is studied extensively in the literature and is fundamental in many branches of applied probability. We discuss a number of approximations with an emphasis on their…

概率论 · 数学 2018-03-28 Vsevolod Malinovskii

This paper contributes to answering a question that is of crucial importance in risk management and extreme value theory: How to select the threshold above which one assumes that the tail of a distribution follows a generalized Pareto…

统计方法学 · 统计学 2020-01-27 Ingo Hoffmann , Christoph J. Börner

We consider a family of probability distributions depending on a real parameter and including the binomial, Poisson and negative binomial distributions. The corresponding index of coincidence satisfies a Heun differential equation and is a…

经典分析与常微分方程 · 数学 2018-01-17 Adina Barar , Gabriela Raluca Mocanu , Ioan Rasa

For Hill's equation on [0,infinity) we prove new characterizations of the spectral function rho(lambda) and the spectral density function f(lambda) based on analysis involving a companion system of first order differential equations in…

数值分析 · 数学 2013-03-26 Charles Fulton , David Pearson , Steven Pruess

q-Gaussian distribution appear in many science areas where we can find systems that could be described within a nonextensive framework. Usually, a way to assert that these systems belongs to nonextensive framework is by means of numerical…

数据分析、统计与概率 · 物理学 2017-03-21 Wagner S. de Lima , Emerson L. de Santa Helena

An often-cited fact regarding mixing or mixture distributions is that their density functions are able to approximate the density function of any unknown distribution to arbitrary degrees of accuracy, provided that the mixing or mixture…

其他统计学 · 统计学 2018-03-05 Hien D. Nguyen , Geoffrey J. McLachlan

Nonextensive quantum gas distributions are investigated on the basis of the factorization hypothesis of compound probability required by thermodynamic equilibrium. It is shown that the formalisms of Tsallis nonextensive statistical…

统计力学 · 物理学 2015-06-24 Qiuping A. Wang

The main object of Bayesian statistical inference is the determination of posterior distributions. Sometimes these laws are given for quantities devoid of empirical value. This serious drawback vanishes when one confines oneself to…

统计金融 · 定量金融 2008-12-02 Federico Bassetti

We investigate the cumulative Tsallis entropy, an information measure recently introduced as a cumulative version of the classical Tsallis differential entropy, which is itself a generalization of the Boltzmann-Gibbs statistics. This…

统计理论 · 数学 2023-06-02 Guillaume Dulac , Thomas Simon

In this short note, we present a refined approximation for the log-ratio of the density of the von Mises$(\mu,\kappa)$ distribution (also called the circular normal distribution) to the standard (linear) normal distribution when the…

统计理论 · 数学 2023-12-29 Frédéric Ouimet

If the Euclidean norm is strongly concentrated with respect to a measure, the average distribution of an average marginal of this measure has Gaussian asymptotics that captures tail behaviour. If the marginals of the measure have…

度量几何 · 数学 2007-08-28 Sasha Sodin

The recent argue about the existence of an instability in the definition of the mean value appearing in the Tsallis non extensive Statistical Mechanic is reconsidered. Here, it is simply underlined that the pair of probability distributions…

统计力学 · 物理学 2010-10-29 Alejandro Cabo

We study a generalization of the Fr\'echet mean on metric spaces, which we call $\phi$-means. Our generalization is indexed by a convex function $\phi$. We find necessary and sufficient conditions for $\phi$-means to be finite and provide a…

统计理论 · 数学 2024-08-15 Andrea Aveni , Sayan Mukherjee

This article studies the convergence rate of the sample mean for $\varphi$-mixing dependent random variables with finite means and infinite variances. Dividing the sample mean into sum of the average of the main parts and the average of the…

概率论 · 数学 2022-09-20 F. Q. Tang , D. Han

We investigate the halo bias in the case where the primordial curvature fluctuations, $\Phi$, are sourced from both a Gaussian random field and a Gaussian-squared field, as $\Phi({\bf x}) = \phi({\bf x}) + \psi({\bf x})^2 - <\psi({\bf…

宇宙学与河外天体物理 · 物理学 2015-05-30 Shuichiro Yokoyama

We study in details the isoperimetric profile of product probability measures with tails between the exponential and the Gaussian regime. In particular we exhibit many examples where coordinate half-spaces are approximate solutions of the…

概率论 · 数学 2007-05-23 Franck Barthe , Patrick Cattiaux , Cyril Roberto