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We study uniform consistency in nonparametric mixture models as well as closely related mixture of regression (also known as mixed regression) models, where the regression functions are allowed to be nonparametric and the error…

统计理论 · 数学 2022-12-29 Bryon Aragam , Ruiyi Yang

The conditional independence assumption has recently appeared in a growing body of literature on the estimation of multivariate mixtures. We consider here conditionally independent multivariate mixtures of power series distributions with…

统计理论 · 数学 2025-09-09 Fadoua Balabdaoui , Harald Besdziek , Yong Wang

A map is given showing that convolutions of independent random variables over a finite group and matrix multiplications of doubly stochastic matrices are homomorphic. As an application, a short proof is given to the theorem that the…

概率论 · 数学 2023-07-04 Yue Liu

A margin-free measure of bivariate association generalizing Spearman's rho to the case of non-monotonic dependence is defined in terms of two square integrable functions on the unit interval. Properties of generalized Spearman correlation…

统计方法学 · 统计学 2025-12-12 Alexander J. McNeil , Johanna G. Neslehova , Andrew D. Smith

The likelihood function plays a pivotal role in statistical inference; it is adaptable to a wide range of models and the resultant estimators are known to have good properties. However, these results hinge on correct specification of the…

统计理论 · 数学 2017-12-15 Adam Jaeger , Nicole Lazar

We investigate densities of vaguely continuous convolution semigroups of probability measures on $\mathbb{R}^d$. We expose that many typical conditions on the characteristic exponent repeatedly used in the literature of the subject are…

概率论 · 数学 2019-07-02 Tomasz Grzywny , Karol Szczypkowski

We define a new independence in non-commutative probability, called $\alpha$-freeness, with respect to a triplet of states. This concept unifies several independences in non-commutative probability, in particular, free, monotone,…

算子代数 · 数学 2022-12-22 Takahiro Hasebe

In recent years, there has been a growing interest in statistical methods that exhibit robust performance under distribution changes between training and test data. While most of the related research focuses on point predictions with the…

统计方法学 · 统计学 2024-06-18 Alexander Henzi , Xinwei Shen , Michael Law , Peter Bühlmann

Copulas are mathematical objects that fully capture the dependence structure among random variables and hence, offer a great flexibility in building multivariate stochastic models. In statistics, a copula is used as a general way of…

统计方法学 · 统计学 2013-10-01 Abhik Ghosh , Aritra Chakravorty

In this paper free harmonic analysis tools are used to study parabolic iteration in the complex upper half-plane. The main result here is a complete characterization for the norming constants in the monotonic central limit theorem. This…

泛函分析 · 数学 2013-06-04 Jiun-Chau Wang

Topological measurements are increasingly being accepted as an important tool for quantifying complex structures. In many applications, these structures can be expressed as nodal domains of real-valued functions and are obtained only…

概率论 · 数学 2020-05-29 Konstantin Mischaikow , Thomas Wanner

We study non-trivial translation-invariant probability measures on the space of entire functions of one complex variable. The existence (and even an abundance) of such measures was proven by Benjamin Weiss. Answering Weiss question, we find…

复变函数 · 数学 2017-03-24 Lev Buhovsky , Adi Glucksam , Alexander Logunov , Mikhail Sodin

Nonparanormal models describe the joint distribution of multivariate responses via latent Gaussian, and thus parametric, copulae while allowing flexible nonparametric marginals. Some aspects of such distributions, for example conditional…

统计方法学 · 统计学 2025-12-16 Torsten Hothorn

We study the free product of rooted graphs and its various decompositions using quantum probabilistic methods. We show that the free product of rooted graphs is canonically associated with free independence, which completes the proof of the…

组合数学 · 数学 2014-07-25 Luigi Accardi , Romuald Lenczewski , Rafal Salapata

This paper uses dynamical invariants to describe the evolution of collisionless systems subject to time-dependent gravitational forces without resorting to maximum-entropy probabilities. We show that collisionless relaxation can be viewed…

星系天体物理 · 物理学 2015-06-03 Jorge Peñarrubia

In broad applications, it is routinely of interest to assess whether there is evidence in the data to refute the assumption of conditional independence of $Y$ and $X$ conditionally on $Z$. Such tests are well developed in parametric models…

统计方法学 · 统计学 2015-03-25 Tsuyoshi Kunihama , David B. Dunson

We prove Edgeworth type expansions for distribution functions of sums of free random variables under minimal moment conditions. The proofs are based on the analytic definition of free convolution. We apply these results to the expansion of…

概率论 · 数学 2011-12-22 G. P. Chistyakov , F. Götze

Based on recent progress in research on copula based dependence measures, we review the original Renyi's axioms on symmetric measures and propose a new set of axioms that applies to nonsymmetric measures. We show that nonsymmetric measures…

统计方法学 · 统计学 2015-02-16 Hui Li

A central feature of quantum mechanics is the non-commutativity of operators used to describe physical observables. In this article, we present a critical analysis on the role of non-commutativity in quantum theory, focusing on its…

量子物理 · 物理学 2018-03-20 Luca Curcuraci

This paper is part of series on self-contained papers in which a large part, if not the full extent, of the asymptotic limit theory of summands of independent random variables is exposed. Each paper of the series may be taken as review…

概率论 · 数学 2021-08-24 Aladji Babacar Niang , Gane Samb Lo , Moumouni Diallo