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This paper studies the partial estimation of Gaussian graphical models from high-dimensional empirical observations. We derive a convex formulation for this problem using $\ell_1$-regularized maximum-likelihood estimation, which can be…

机器学习 · 计算机科学 2012-10-01 Xiao-Tong Yuan , Tong Zhang

This article delves into the $L_p$ Minkowski problem within the framework of generalized Gaussian probability space. This type of probability space was initially introduced in information theory through the seminal works of Lutwak, Yang,…

偏微分方程分析 · 数学 2024-07-23 Jiaqian Liu , Shengyu Tang

The $L_p$-Minkowski problem deals with the existence of closed convex hypersurfaces in $\mathbb{R}^{n+1}$ with prescribed $p$-area measures. It extends the classical Minkowski problem and embraces several important geometric and physical…

偏微分方程分析 · 数学 2022-03-11 Qiang Guang , Qi-Rui Li , Xu-Jia Wang

Necessary and sufficient conditions for the existence of solutions to the asymmetric $L_p$ Minkowski problem in $\mathbb{R}^2$ are established for $0 < p < 1$.

偏微分方程分析 · 数学 2016-12-23 Karoly J. Boroczky , Hai Trinh

Lutwak, Yang and Zhang \cite{LYZ2018} introduced the $L_p$ dual curvature measure that unifies several other geometric measures in dual Brunn-Minkowski theory and Brunn- Minkowski theory. Motivated by works in \cite{LYZ2018}, we consider…

度量几何 · 数学 2021-03-25 Hejun Wang , Jiazu Zhou

The Minkowski problem in convex geometry concerns showing that a given Borel measure on the unit sphere is, up to perhaps a constant, some type of surface area measure of a convex body. Two types of Minkowski problems in particular are an…

偏微分方程分析 · 数学 2026-04-07 Dylan Langharst , Jiaqian Liu , Shengyu Tang

The aim of this paper is to develop a basic framework of the $L_p$ theory for the geometry of log-concave functions, which can be viewed as a functional "lifting" of the $L_p$ Brunn-Minkowski theory for convex bodies. To fulfill this goal,…

泛函分析 · 数学 2020-07-01 Niufa Fang , Sudan Xing , Deping Ye

This paper introduces the \textit{anisotropic $\omega_0$-capillary $p$-sum} of two hypersurfaces in $\mathbb{R}_+^{n+1}$, and establishes a theory for anisotropic capillary convex bodies. For a smooth convex hypersurface $\Sigma $ with…

微分几何 · 数学 2026-03-03 Shanwei Ding , Jinyu Gao , Guanghan Li , Mengliang Liu

In this work, the $L_p$ version (for $p> 1$) of the dimensional Brunn-Minkowski inequality for the standard Gaussian measure $\gamma_n(\cdot)$ on $\mathbb{R}^n$ is shown. More precisely, we prove that for any $0$-symmetric convex sets with…

度量几何 · 数学 2025-03-06 Lidia Gordo Malagón , Jesús Yepes Nicolás

We prove an $l^p$ decoupling inequality for hypersurfaces with nonzero Gaussian curvature and use it to derive a corresponding $l^p$ decoupling for curves not contained in a hyperplane. This extends our earlier work from [2]

经典分析与常微分方程 · 数学 2014-07-02 Jean Bourgain , Ciprian Demeter

The $L_p$ Aleksandrov integral curvature and its corresponding characterization problem---the $L_p$ Aleksandrov problem---were recently introduced by Huang, Lutwak, Yang, and Zhang. The current work presents a solution to the $L_p$…

度量几何 · 数学 2018-03-30 Yiming Zhao

General $L_p$ dual curvature measures have recently been introduced by Lutwak, Yang and Zhang. These new measures unify several other geometric measures of the Brunn-Minkowski theory and the dual Brunn-Minkowski theory. $L_p$ dual curvature…

偏微分方程分析 · 数学 2026-04-23 Károly J. Böröczky , Ferenc Fodor

In this paper, {we extend the affine dual curvature measures to the $L_p$ setting and solve the existence part of the corresponding Minkowski problem for non-symmetric discrete measures when $p>1$ and for symmetric measures when $p\geq0$.}…

度量几何 · 数学 2026-01-19 Youjiang Lin , Yuchi Wu

In the present paper we initiate the study of the Musielak-Orlicz-Brunn-Minkowski theory for convex bodies. In particular, we develop the Musielak-Orlicz-Gauss image problem aiming to characterize the Musielak-Orlicz-Gauss image measure of…

度量几何 · 数学 2021-05-11 Qingzhong Huang , Sudan Xing , Deping Ye , Baocheng Zhu

We present a short, direct proof of the uniform convexity of L^p spaces for 1<p<\infty.

泛函分析 · 数学 2007-05-23 Harald Hanche-Olsen

Generalized polyhedral convex optimization problems in locally convex Hausdorff topological vector spaces are studied systematically in this paper. We establish solution existence theorems, necessary and sufficient optimality conditions,…

最优化与控制 · 数学 2017-10-02 Nguyen Ngoc Luan , Jen-Chih Yao

In this paper, we introduce the $L_p$ geominimal surface area for all $-n\neq p<1$, which extends the classical geominimal surface area ($p=1$) by Petty and the $L_p$ geominimal surface area by Lutwak ($p>1$). Our extension of the $L_p$…

度量几何 · 数学 2015-05-12 Deping Ye

In this paper, we derive the continuity of solutions to the $L_{p}$ torsional Minkowski problem for $p>1$. It is shown that the weak convergence of the $L_{p}$ torsional measure implies the convergence of the sequence of the corresponding…

度量几何 · 数学 2023-03-21 Jinrong Hu , Qiongfang Mao , Sinan Wang

In this paper, we investigate an $L_{p}$ Christoffel-Minkowski-type problem that prescribes a class of $L_p$ geometric measures, which are mixtures of the $k$-th area measure and the $q$-th dual curvature measure. By establishing a gradient…

偏微分方程分析 · 数学 2025-08-07 Carlos Cabezas-Moreno , Jinrong Hu

This paper is a continuation of our recent work [54] concerning the capillary Minkowski problem. We propose, in this paper, a capillary $L_p$-Minkowski problem for $p\geq 1$, which seeks to find a capillary convex body with a prescribed…

微分几何 · 数学 2025-05-20 Xinqun Mei , Guofang Wang , Liangjun Weng