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In this paper we look for the convex hull of a set using the geometric evolution by minimal curvature of a hypersurface that surrounds the set. To find the convex hull, we study the large time behavior of solutions to an obstacle problem…

Analysis of PDEs · Mathematics 2024-09-12 Irene Gonzálvez , Alfredo Miranda , Julio D. Rossi , Jorge Ruiz-Cases

We study mean curvature flows in a warped product manifold defined by a closed Riemannian manifold and $\mathbb{R}$. In such a warped product manifold, we can define the notion of a graph, called a geodesic graph. We prove that the curve…

Differential Geometry · Mathematics 2023-12-21 Naotoshi Fujihara

There exist rotationally symmetric translating solutions to mean curvature flow that can be written as a graph over Euclidean space. This result is well-known. Its proof uses the symmetry and techniques from partial differential equations.…

Differential Geometry · Mathematics 2025-05-23 Hakar Raji , Oliver C. Schnürer

We consider the motion by mean curvature of an $n$-dimensional graph over a time-dependent domain in $\mathbb{R}^n$, intersecting $\mathbb{R}^n$ at a constant angle. In the general case, we prove local existence for the corresponding…

Analysis of PDEs · Mathematics 2008-12-10 Alexandre Freire

We show stability of spherical caps (SCs) lying on a flat surface, where the motion is governed by the volume-preserving Mean Curvature Flow (MCF). Moreover, we introduce a dynamic boundary condition that models a line tension effect on the…

Analysis of PDEs · Mathematics 2014-04-29 Helmut Abels , Harald Garcke , Lars Müller

This paper investigates geometric properties and well-posedness of a mean curvature flow with volume-dependent forcing. With the class of forcing which bounds the volume of the evolving set away from zero and infinity, we show that a strong…

Analysis of PDEs · Mathematics 2020-07-16 Inwon Kim , Dohyun Kwon

We show that the mean curvature flow of generic closed surfaces in $\mathbb{R}^{3}$ avoids asymptotically conical and non-spherical compact singularities. We also show that the mean curvature flow of generic closed low-entropy hypersurfaces…

Differential Geometry · Mathematics 2024-04-03 Otis Chodosh , Kyeongsu Choi , Christos Mantoulidis , Felix Schulze

We prove existence and uniqueness of weak solutions to anisotropic and crystalline mean curvature flows, obtained as limit of the viscosity solutions to flows with smooth anisotropies.

Numerical Analysis · Mathematics 2018-10-17 Antonin Chambolle , Massimiliano Morini , Matteo Novaga , Marcello Ponsiglione

Let $N$ be a complete manifold with bounded geometry, such that $\sec_N\le -\sigma < 0$ for some positive constant $\sigma$. We investigate the mean curvature flow of the graphs of smooth length-decreasing maps $f:\mathbb{R}^m\to N$. In…

Differential Geometry · Mathematics 2018-06-01 Felix Lubbe

In this paper, we consider the mean curvature flow with driving force on fixed extreme points in the plane. We give a general local existence and uniqueness result of this problem with $C^2$ initial curve. For a special family of initial…

Dynamical Systems · Mathematics 2017-04-03 Longjie Zhang

An existence and uniqueness result, up to fattening, for crystalline mean curvature flows with forcing and arbitrary (convex) mobilities, is proven. This is achieved by introducing a new notion of solution to the corresponding level set…

Analysis of PDEs · Mathematics 2017-02-13 Antonin Chambolle , Massimiliano Morini , Matteo Novaga , Marcello Ponsiglione

In our previous papers we proposed a continuum model for the dynamics of the systems of self-propelling particles with conservative kinematic constraints on the velocities. We have determined a class of stationary solutions of this…

Fluid Dynamics · Physics 2015-06-26 V. I. Ratushnaya , D. Bedeaux , V. L. Kulinskii , A. V. Zvelindovsky

We give an overview of the existence and regularity results for curvature flows and how these flows can be used to solve some problems in geometry and physics.

Differential Geometry · Mathematics 2010-07-22 Claus Gerhardt

We consider strictly convex hypersurfaces with the boundary which meets a strictly convex cone perpendicularly. We prove that if these hypersurfaces expand inside this cone, driven by the power of the Gauss curvature, then the evolution…

Differential Geometry · Mathematics 2020-08-10 Li Chen , Ni Xiang

In this paper, we study the skew mean curvature flow. The results are threefold. First, we prove the global regularity of solutions with initial data which are small perturbations of planes in Sobolev spaces. Second, we prove the modified…

Analysis of PDEs · Mathematics 2021-11-30 Ze Li

We consider a variational scheme for the anisotropic (including crystalline) mean curvature flow of sets with strictly positive anisotropic mean curvature. We show that such condition is preserved by the scheme, and we prove the strict…

Analysis of PDEs · Mathematics 2020-10-28 Antonin Chambolle , Matteo Novaga

We are concerned with a stochastic mean curvature flow of graphs over a periodic domain of any space dimension. We establish existence of martingale solutions which are strong in the PDE sense and study their large-time behavior. Our…

Probability · Mathematics 2019-03-13 Nils Dabrock , Martina Hofmanová , Matthias Röger

Let f be a smooth map between unit spheres of possibly different dimensions. We prove the global existence and convergence of the mean curvature flow of the graph of f under various conditions. A corollary is that any area-decreasing map…

Differential Geometry · Mathematics 2011-04-19 Mao-Pei Tsui , Mu-Tao Wang

In recent years, there has been a growing interest in geometric evolution in heterogeneous media. Here we consider curvature driven fows of planar curves, with an additional space-dependent forcing term. Motivated by a homogenization…

Analysis of PDEs · Mathematics 2010-03-29 Annalisa Cesaroni , Matteo Novaga , Enrico Valdinoci

In this paper, we investigate the convexity of mean convex asymptotically conical self-expanders to the mean curvature flow in $\mathbb{R}^{n+1}$. Specifically, for $n\geq 3$, we show that any $n$-dimensional complete mean convex…

Differential Geometry · Mathematics 2025-09-03 Junming Xie
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