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We show that arbitrarily small antisymmetric perturbations of the zero function are sufficient to produce the stickiness phenomenon for planar nonlocal minimal graphs (with the same quantitative bounds obtained for the case of even…

偏微分方程分析 · 数学 2022-06-22 Benjamin Baronowitz , Serena Dipierro , Enrico Valdinoci

Using finite difference operators, we define a notion of boundary and surface measure for configuration sets under Poisson measures. A Margulis-Russo type identity and a co-area formula are stated with applications to deviation inequalities…

概率论 · 数学 2021-03-23 Christian Houdré , Nicolas Privault

We extend the mathematical theory of rigidity of frameworks (graphs embedded in $d$-dimensional space) to consider nonlocal rigidity and flexibility properties. We provide conditions on a framework under which (I) as the framework flexes…

度量几何 · 数学 2020-09-10 Miranda Holmes-Cerfon , Louis Theran , Steven J. Gortler

We study properties of stable, strictly stable and locally outermost marginally outer trapped surfaces in spacelike hypersurfaces of spacetimes possessing certain symmetries such as isometries, homotheties and conformal Killings. We first…

广义相对论与量子宇宙学 · 物理学 2009-08-12 Alberto Carrasco , Marc Mars

We prove that a minimal disc in a CAT(0) space is a local embedding away from a finite set of "branch points". On the way we establish several basic properties of minimal surfaces: monotonicity of area densities, density bounds, limit…

微分几何 · 数学 2018-08-21 Stephan Stadler

After quick survey of some key results and open questions about the structure of singularities of minimal surfaces, we discuss recent work~\cite{Sim23} on singularities of stable minimal hypersurfaces, including some simplifications of the…

微分几何 · 数学 2024-09-04 Leon Simon

We consider nonlocal minimal surfaces in a cylinder with prescribed datum given by the complement of a slab. We show that when the width of the slab is large the minimizers are disconnected and when the width of the slab is small the…

偏微分方程分析 · 数学 2020-10-05 Serena Dipierro , Fumihiko Onoue , Enrico Valdinoci

We investigate the property of boundary rigidity for the projective structures associated to torsion-free affine connections on connected analytic manifolds with boundary. We show that these structures are generically boundary rigid,…

微分几何 · 数学 2024-07-11 Jack Borthwick , Niky Kamran

We study periodic tessellations of the Euclidean space with unequal cells arising from the minimization of perimeter functionals. Existence results and qualitative properties of minimizers are discussed for different classes of problems,…

偏微分方程分析 · 数学 2024-06-19 Francesco Nobili , Matteo Novaga

We study the equilibrium configuration of a nematic liquid crystal bounded by a rough surface. The wrinkling of the surface induces a partial melting in the degree of orientation. This softened region penetrates the bulk up to a length…

软凝聚态物质 · 物理学 2007-05-23 Paolo Biscari , Stefano Turzi

In this paper we continue our study of local rigidity for maps of CR submanifolds of the complex space. We provide a linear sufficient condition for local rigidity of finitely nondegenerate maps between minimal CR manifolds. Furthermore, we…

复变函数 · 数学 2021-06-15 Giuseppe della Sala , Bernhard Lamel , Michael Reiter

In this paper, by modifying the arguments in \cite{WY}, we get some rigidity theorems on compact manifolds with nonempty boundary. The results in this paper are similar with those in \cite{ST} and \cite{WY}. Like \cite{ST} and \cite{WY}, we…

微分几何 · 数学 2007-05-23 Yuguang Shi , Luen-Fai Tam

We show existence of fundamental domains which minimize a general perimeter functional in a homogeneous metric measure space. In some cases, which include the usual perimeter in the universal cover of a closed Riemannian manifold, and the…

偏微分方程分析 · 数学 2022-12-23 Annalisa Cesaroni , Matteo Novaga

We study compact stable embedded minimal surfaces whose boundary is given by two collections of closed smooth Jordan curves in close planes of Euclidean 3-space. Our main result is a classification of these minimal surfaces, under certain…

微分几何 · 数学 2007-05-23 Rosanna Pearlstein

In this paper we study the regularity of weak solutions to systems of p-Stokes type, describing the motion of some shear thinning fluids in certain steady regimes. In particular we address the problem of regularity up to the boundary…

偏微分方程分析 · 数学 2016-07-22 Luigi C. Berselli , Michael Ruzicka

A surface which does not admit a length nonincreasing deformation is called metric minimizing. We show that metric minimizing surfaces in CAT(0) spaces are locally CAT(0) with respect to their intrinsic metric.

微分几何 · 数学 2024-04-02 Anton Petrunin , Stephan Stadler

In this article we study eigenvalues and minimizers of a fractional non-standard growth problem. We prove several properties on this quantities and their corresponding eigenfunctions.

偏微分方程分析 · 数学 2019-02-15 Ariel M. Salort

A set of locally finite perimeter $E \subset \mathbb{R}^{n}$ is called an anisotropic minimal surface in an open set $A$ if $\Phi(E;A) \le \Phi(F;A)$ for some surface energy $\Phi(E;A) = \int_{\partial^{*}E \cap A} \| \nu_{E}\| d…

微分几何 · 数学 2020-07-28 Max Goering

Strong local minimizers with surfaces of gradient discontinuity appear in variational problems when the energy density function is not rank-one convex. In this paper we show that stability of such surfaces is related to stability outside…

最优化与控制 · 数学 2015-06-17 Yury Grabovsky , Lev Truskinovsky

We show how to infer sharp partial regularity results for relaxed minimizers of degenerate, nonuniformly elliptic quasiconvex functionals, using tools from Nonlinear Potential Theory. In particular, in the setting of functionals with…

偏微分方程分析 · 数学 2022-04-12 Cristiana De Filippis