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We construct weak solutions of the anisotropic inverse mean curvature flow (A-IMCF) under very mild assumptions both on the anisotropy (which is simply a norm in $\mathbb R^N$ with no ellip\-ticity nor smoothness requirements, in order to…

偏微分方程分析 · 数学 2024-04-03 Esther Cabezas-Rivas , Salvador Moll , Marcos Solera

The galaxy intrinsic alignment is a severe challenge to precision cosmic shear measurement. We propose to self-calibrate the induced gravitational shear-galaxy intrinsic ellipticity correlation (the GI correlation, \citealt{Hirata04b}) in…

天体物理学 · 物理学 2011-04-07 Pengjie Zhang

We show weak convergence of quantile and expectile processes to Gaussian limit processes in the space of bounded functions endowed with an appropriate semimetric which is based on the concepts of epi- and hypo convergence as introduced in…

统计理论 · 数学 2017-06-16 Tobias Zwingmann , Hajo Holzmann

We introduce a new extragradient iterative process, motivated and inspired by [S. H. Khan, A Picard-Mann Hybrid Iterative Process, Fixed Point Theory and Applications, doi:10.1186/1687-1812-2013-69], for finding a common element of the set…

泛函分析 · 数学 2014-03-14 Ibrahim Karahan , Murat Ozdemir

It is now well known that sparse or compressible vectors can be stably recovered from their low-dimensional projection, provided the projection matrix satisfies a Restricted Isometry Property (RIP). We establish new implications of the RIP…

泛函分析 · 数学 2012-11-09 Rémi Gribonval , Morten Nielsen

We introduce the notion of weak commensurabilty of arithmetic subgroups and relate it to the length equivalence and isospectrality of locally symmetric spaces. We prove many strong consequences of weak commensurabilty and derive from these…

微分几何 · 数学 2009-04-07 Gopal Prasad , Andrei S. Rapinchuk

In this paper, we showed that for some given suitable density and pressure, there exist infinitely many compactly supported solutions with prescribed energy profile. The proof is mainly based on the convex integration scheme. We construct…

偏微分方程分析 · 数学 2024-05-15 Anxiang Huang

A version of the singular Yamabe problem in bounded domains yields complete conformal metrics with negative constant scalar curvatures. In this paper, we study whether these metrics have negative Ricci curvatures. Affirmatively, we prove…

微分几何 · 数学 2020-12-14 Qing Han , Weiming Shen

The weak maximum principle of the isoparametric finite element method is proved for the Poisson equation under the Dirichlet boundary condition in a (possibly concave) curvilinear polyhedral domain with edge openings smaller than $\pi$,…

数值分析 · 数学 2023-03-17 Buyang Li , Weifeng Qiu , Yupei Xie , Wenshan Yu

In this article, we study the relationship between the weak limit of a sequence of integral currents in a metric space and the possible Hausdorff limit of the sequence of supports. Due to cancellation, the weak limit is in general supported…

微分几何 · 数学 2010-07-02 Christina Sormani , Stefan Wenger

We prove that the isometric embedding of any metric of differentiability class C1 in E3 exists. We use simplified notation for the given metric, namely geodesic parameters, and level parameters for the embedded surface in E3. Central to our…

微分几何 · 数学 2022-10-07 Edgar Kann

We introduce a binary embedding framework, called Proximity Preserving Code (PPC), which learns similarity and dissimilarity between data points to create a compact and affinity-preserving binary code. This code can be used to apply fast…

机器学习 · 计算机科学 2020-02-06 Inbal Lav , Shai Avidan , Yoram Singer , Yacov Hel-Or

We prove the existence of the weak solutions to the compressible Navier--Stokes system with barotropic pressure $p(\varrho)=\varrho^\gamma$ for $\gamma\geq 9/5$ in three space dimension. The novelty of the paper is the approximation scheme…

偏微分方程分析 · 数学 2023-01-27 Nilasis Chaudhuri , Piotr B. Mucha , Ewelina Zatorska

We investigate the compact submanifolds in Riemannian space forms of nonnegative sectional curvature that satisfy a lower bound on the Ricci curvature, that bound depending solely on the length of the mean curvature vector of the immersion.…

微分几何 · 数学 2023-11-06 Marcos Dajczer , Theodoros Vlachos

Given a smooth 2-dimensional Riemannian or pseudo-Riemannian manifold $(M, \boldsymbol{g})$ and an ambient 3-dimensional Riemannian or pseudo-Riemannian manifold $(N, \boldsymbol{h})$, one can ask under what circumstances does the exterior…

微分几何 · 数学 2018-01-03 Jeanne Clelland , Thomas Ivey , Naghmana Tehseen , Peter Vassiliou

We prove the almost sure weak convergence of a stochastic proximal point method for minimizing a convex integral function in the general nonlinear context of complete geodesic metric spaces of nonpositive curvature (so-called Hadamard…

最优化与控制 · 数学 2026-05-21 Nicholas Pischke

We study a class of design problems in solid mechanics, leading to a variation on the classical question of equi-dimensional embeddability of Riemannian manifolds. In this general new context, we derive a necessary and sufficient existence…

偏微分方程分析 · 数学 2016-04-13 Amit Acharya , Marta Lewicka , Mohammad Reza Pakzad

We proceed further with the study of minimum weak Riesz energy problems for condensers with touching plates, initiated jointly with Bent Fuglede (Potential Anal. 51 (2019), 197--217). Having now added to the analysis constraint and external…

经典分析与常微分方程 · 数学 2019-12-02 Natalia Zorii

Here, we address a uniqueness structure of viscosity solutions for ergodic problems of weakly coupled Hamilton-Jacobi systems. In particular, we study comparison principle with respect to generalized Mather measures as a generalization of…

偏微分方程分析 · 数学 2019-01-17 Kengo Terai

This paper aims to investigate the distributed stochastic optimization problems on compact embedded submanifolds (in the Euclidean space) for multi-agent network systems. To address the manifold structure, we propose a distributed…

最优化与控制 · 数学 2025-10-28 Jishu Zhao , Xi Wang , Jinlong Lei , Shixiang Chen