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Here, we study a level-set forced mean curvature flow with evolving spirals and the homogeneous Neumann boundary condition, which appears in a crystal growth model. Under some appropriate conditions on the forcing term, we prove that the…

偏微分方程分析 · 数学 2023-12-14 Hiroyoshi Mitake , Hung V. Tran

In this paper, we consider the evolution of spacelike graphic hypersurfaces defined over a convex piece of hyperbolic plane $\mathscr{H}^{n}(1)$, of center at origin and radius $1$, in the $(n+1)$-dimensional Lorentz-Minkowski space…

微分几何 · 数学 2021-06-14 Ya Gao , Jing Mao

We consider a mean curvature flow in a cone, that is, a hypersurface in a cone which moves toward the opening with normal velocity equaling to the mean curvature, and the contact angle between the hypersurface and the cone boundary being…

微分几何 · 数学 2019-07-29 Bendong Lou

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…

微分几何 · 数学 2024-04-03 Otis Chodosh , Kyeongsu Choi , Christos Mantoulidis , Felix Schulze

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…

偏微分方程分析 · 数学 2020-10-28 Antonin Chambolle , Matteo Novaga

In this article, we examine complete, mean-convex self-expanders for the mean curvature flow whose ends have decaying principal curvatures. We prove a Liouville-type theorem associated to this class of self-expanders. As an application, we…

微分几何 · 数学 2016-09-08 Frederick Tsz-Ho Fong , Peter McGrath

In this paper, we consider the evolution of spacelike graphic curves defined over a piece of hyperbola $\mathscr{H}^{1}(1)$, of center at origin and radius $1$, in the $2$ dimensional Lorentz-Minkowski plane $\mathbb{R}^{2}_{1}$ along an…

微分几何 · 数学 2021-09-07 Ya Gao , Chenyang Liu , Jing Mao

We study the compact noncollapsed ancient convex solutions to Mean Curvature Flow in $\mathbb{R}^{n+1}$ with $O(1)\times O(n)$ symmetry. We show they all have unique asymptotics as $t\to -\infty$ and we give precise asymptotic description…

微分几何 · 数学 2015-09-24 Sigurd Angenent , Panagiota Daskalopoulos , Natasa Sesum

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…

微分几何 · 数学 2025-09-03 Junming Xie

We prove short-time existence of \phi-regular solutions to the planar anisotropic curvature flow, including the crystalline case, with an additional forcing term possibly unbounded and discontinuous in time, such as for instance a white…

数值分析 · 数学 2013-02-12 Antonin Chambolle , Matteo Novaga

By making use of the nice behavior of Hawking masses of slices of a weak solution of inverse mean curvature flow in three dimensional asymptotically hyperbolic manifolds, we are able to show that each slice of the flow is star-shaped after…

微分几何 · 数学 2021-03-16 Yuguang Shi , Jintian Zhu

We prove Ilmanen's resolution of point singularities conjecture by establishing short-time smoothness of the level set flow of a smooth hypersurface with isolated conical singularities. This shows how the mean curvature flow evolves through…

微分几何 · 数学 2024-10-31 Otis Chodosh , J. M. Daniels-Holgate , Felix Schulze

In this paper, we consider the anisotropic $\alpha$-Gauss curvature flow for complete noncompact convex hypersurfaces in the Euclidean space with the anisotropy determined by a smooth closed uniformly convex Wulff shape. We show that for…

微分几何 · 数学 2024-04-17 Shujing Pan , Yong Wei

We consider the mean curvature flow of entire Lagrangian graphs with Lipschitz continuous initial data. Assuming only a certain bound on the Lipschitz norm of an initial entire Lagrangian graph in $\R^{2n}$, we show that the parabolic…

微分几何 · 数学 2009-02-20 Albert Chau , Jingyi Chen , Weiyong He

The asymptotic Plateau problem asks for the existence of smooth complete hypersurfaces of constant mean curvature with prescribed asymptotic boundary at infinity in the hyperbolic space $\mathbb{H}^{n+1}$. The modified mean curvature flow…

微分几何 · 数学 2021-03-12 Patrick Allmann , Longzhi Lin , Jingyong Zhu

For a fixed regular cone in Euclidean space with small entropy we show that all smooth self-expanding solutions of the mean curvature flow that are asymptotic to the cone are in the same isotopy class.

微分几何 · 数学 2020-04-01 Jacob Bernstein , Lu Wang

A mean curvature flow starting from a closed embedded hypersurface in $R^{n+1}$ must develop singularities. We show that if the flow has only generic singularities, then the space-time singular set is contained in finitely many compact…

微分几何 · 数学 2015-02-25 Tobias Holck Colding , William P. Minicozzi

In this paper, we study the forced mean curvature flows and the prescribed mean curvature equations of both graphs and level-sets with capillary-type boundary conditions on a $C^3$ bounded domain, which is not necessarily convex. We prove a…

偏微分方程分析 · 数学 2023-03-03 Jiwoong Jang

We show that any open set that is a finite distance away from a Lipschitz subgraph will become a Lipschitz subgraph after flowing under fractional mean curvature flow for a finite, universal time. Our proof is quantitative and inherently…

偏微分方程分析 · 数学 2019-05-23 Stephen Cameron

We prove that if a rescaled mean curvature flow is a global graph over the round cylinder with small gradient and converges super-exponentially fast, then it must coincide with the cylinder itself. We also show that the result is sharp with…

微分几何 · 数学 2025-10-28 Yiqi Huang , Xinrui Zhao