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We consider jointly estimating the coefficient matrix and the error precision matrix in high-dimensional multivariate linear regression models. Bayesian methods in this context often face computational challenges, leading to previous…

统计方法学 · 统计学 2025-08-25 Xuan Cao , Kyoungjae Lee

In Change point detection task Likelihood Ratio Test (LRT) is sequentially applied in a sliding window procedure. Its high values indicate changes of parametric distribution in the data sequence. Correspondingly LRT values require…

统计理论 · 数学 2017-10-23 Nazar Buzun , Valeriy Avanesov

We derive a Gaussian approximation result for the maximum of a sum of random vectors under $(2+\iota)$-th moments. Our main theorem is abstract and nonasymptotic, and can be applied to a variety of statistical learning problems. The proof…

统计理论 · 数学 2019-05-28 Qiang Sun

We study the problem of maximizing information divergence from a new perspective using logarithmic Voronoi polytopes. We show that for linear models, the maximum is always achieved at the boundary of the probability simplex. For toric…

统计理论 · 数学 2023-09-07 Yulia Alexandr , Serkan Hoşten

The log-concave maximum likelihood estimator (MLE) problem answers: for a set of points $X_1,...X_n \in \mathbb R^d$, which log-concave density maximizes their likelihood? We present a characterization of the log-concave MLE that leads to…

数据结构与算法 · 计算机科学 2018-11-09 Brian Axelrod , Gregory Valiant

In this paper we consider regression problems subject to arbitrary noise in the operator or design matrix. This characterization appropriately models many physical phenomena with uncertainty in the regressors. Although the problem has been…

统计计算 · 统计学 2021-04-08 Richard J Clancy , Stephen Becker

With any \emph{surjective rational map} $f: \mathbb{P}^n \dashrightarrow \mathbb{P}^n$ of the projective space we associate a numerical invariant (\emph{ML degree}) and compute it in terms of a naturally defined vector bundle $E_f…

代数几何 · 数学 2022-06-02 Ilya Karzhemanov

Strong consistency of the maximum likelihood estimator (MLE) for parametric Gibbs point process models is established. The setting is very general. It includes pairwise pair potentials, finite and infinite multibody interactions and…

统计理论 · 数学 2016-01-27 David Dereudre , Frédéric Lavancier

We establish Gaussian limits for general measures induced by binomial and Poisson point processes in d-dimensional space. The limiting Gaussian field has a covariance functional which depends on the density of the point process. The general…

概率论 · 数学 2007-05-23 Yu. Baryshnikov , J. E. Yukich

The full moments expansion of the joint probability distribution of an isotropic random field, its gradient and invariants of the Hessian is presented in 2 and 3D. It allows for explicit expression for the Euler characteristic in ND and…

宇宙学与河外天体物理 · 物理学 2014-11-20 Dmitri Pogosyan , Christophe Gay , Christophe Pichon

We present new stochastic geometry theorems that give bounds on the probability that $m$ random data classes all contain a point in common in their convex hulls. We apply these stochastic separation theorems to obtain bounds on the…

概率论 · 数学 2019-07-24 Jesús A. De Loera , Thomas A. Hogan

We establish connections between invariant theory and maximum likelihood estimation for discrete statistical models. We show that norm minimization over a torus orbit is equivalent to maximum likelihood estimation in log-linear models. We…

统计理论 · 数学 2021-12-15 Carlos Améndola , Kathlén Kohn , Philipp Reichenbach , Anna Seigal

Designing reliable networks consists in finding topological structures, which are able to successfully carry out desired processes and operations. When this set of activities performed within a network are unknown and the only available…

最优化与控制 · 数学 2014-09-22 Stefano Nasini

Distributed estimation methods have recently been used to compute the maximum likelihood estimate of the precision matrix for large graphical Gaussian models. Our aim, in this paper, is to give a Bayesian estimate of the precision matrix…

统计方法学 · 统计学 2016-05-30 Qiong Li , Xin Gao , Helene Massam

Many inference problems involving questions of optimality ask for the maximum or the minimum of a finite set of unknown quantities. This technical report derives the first two posterior moments of the maximum of two correlated Gaussian…

机器学习 · 统计学 2009-10-02 Philipp Hennig

Let V $\subset$ C n be an equidimensional algebraic set and g be an n-variate polynomial with rational coefficients. Computing the critical points of the map that evaluates g at the points of V is a cornerstone of several algorithms in real…

符号计算 · 计算机科学 2016-05-10 Mohab Safey El Din , Pierre-Jean Spaenlehauer

Cross-ratio degrees count configurations of points $z_1,\ldots, z_n \in \mathbb{P}^1$ satisfying $n - 3$ cross-ratio constraints, up to isomorphism. These numbers arise in multiple contexts in algebraic and tropical geometry, and may be…

代数几何 · 数学 2021-08-10 Rob Silversmith

In this paper we study the behavior of maximum out/in-degree of binomial/Poisson random scaled sector graphs in the presence of random vertex and edge faults. We prove that the probability distribution of maximum degrees for random faulty…

组合数学 · 数学 2019-09-18 Yilun Shang

We define the probability of an equation in a finite algebra as the proportion of tuples in its domain that satisfy it. We call the probabilistic spectrum of an algebra the set of probability values obtained when the equation varies. We…

逻辑 · 数学 2026-04-10 Carles Cardó

Reconstructing evolutionary trees from molecular sequence data is a fundamental problem in computational biology. Stochastic models of sequence evolution are closely related to spin systems that have been extensively studied in statistical…

概率论 · 数学 2017-07-20 Sebastien Roch , Allan Sly
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