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In this paper, we construct solutions of Lagrangian mean curvature flow which exist and are embedded for all time, but form an infinite-time singularity and converge to an immersed special Lagrangian as $t\to\infty$. In particular, the flow…

微分几何 · 数学 2024-05-02 Wei-Bo Su , Chung-Jun Tsai , Albert Wood

We consider the anisotropic mean curvature flow of entire Lipschitz graphs. We prove existence and uniqueness of expanding self-similar solutions which are asymptotic to a prescribed cone, and we characterize the long time behavior of…

偏微分方程分析 · 数学 2021-05-14 Annalisa Cesaroni , Heiko Kröner , Matteo Novaga

We study some properties of mean curvature flow solitons in general Riemannian manifolds and in warped products, with emphasis on constant curvature and Schwarzschild type spaces. We focus on splitting and rigidity results under various…

微分几何 · 数学 2024-01-17 Giulio Colombo , Luciano Mari , Marco Rigoli

In this paper, we discuss uniqueness and backward uniqueness for mean curvature flow of non-compact manifolds. We use an energy argument to prove two uniqueness theorems for mean curvature flow with possibly unbounded curvatures. These…

微分几何 · 数学 2019-02-05 Man-Chun Lee , John Man-shun Ma

We consider the forced mean curvature flow in 2-d, finite range of dependence and positive random forcing. We prove flatness and existence of effective speed for initially flat propagating fronts. This is the analogue, in random media, of a…

偏微分方程分析 · 数学 2019-11-04 William M Feldman

We consider the fractional mean curvature flow of entire Lipschitz graphs. We provide regularity results, and we study the long time asymptotics of the flow. In particular we show that in a suitable rescaled framework, if the initial graph…

偏微分方程分析 · 数学 2021-11-29 Annalisa Cesaroni , Matteo Novaga

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

A new monotone quantity in graphical mean curvature flows of higher codimensions is identified in this work. The submanifold deformed by the mean curvature flow is the graph of a map between Riemannian manifolds, and the quantity is…

微分几何 · 数学 2025-09-30 Chung-Jun Tsai , Mao-Pei Tsui , Mu-Tao Wang

The paper addresses the numerical approximation of two variants of hyperbolic mean curvature flow of surfaces in $\mathbb R^3$. For each evolution law we propose both a finite element method, as well as a finite difference scheme in the…

数值分析 · 数学 2025-02-11 Klaus Deckelnick , Robert Nürnberg

In this paper we investigate the mean curvature flow (MCF) of a regular leaf of a closed generalized isoparametric foliation as initial datum, generalizing previous results of Radeschi and first author. We show that, under bounded curvature…

微分几何 · 数学 2019-12-10 Marcos M. Alexandrino , Leonardo F. Cavenaghi , Icaro Gonçalves

We prove the existence of a large class of initial data for the vacuum Einstein equations which possess a finite number of asymptotically Euclidean and asymptotically conformally cylindrical or periodic ends. Aside from being asymptotically…

广义相对论与量子宇宙学 · 物理学 2016-07-06 Jeremy Leach

In this paper, we extend the Hamilton's gradient estimates \cite{har93} and a monotonicity formula of entropy \cite{ni04} for heat flows from smooth Riemannian manifolds to (non-smooth) metric measure spaces with appropriate Riemannian…

度量几何 · 数学 2015-12-29 Renjin Jiang , Huichun Zhang

In this paper, we study the monotonicity of parabolic frequency motivated by \cite{frequency on RF} under the Ricci flow and the Ricci-harmonic flow on manifolds. Here we consider two cases: one is the monotonicity of parabolic frequency…

微分几何 · 数学 2023-09-06 Chuanhuan Li , Yi Li , Kairui Xu

In this paper we provide a different approach to the Alt-Caffarelli-Friedman monotonicity formula, reducing the problem to test the monotone increasing behavior of the mean value of a function involving the norm of the gradient. In…

偏微分方程分析 · 数学 2023-10-23 Fausto Ferrari , Nicolò Forcillo

We review some recent results on the mean curvature flows of Lagrangian submanifolds from the perspective of geometric partial differential equations. These include global existence and convergence results, characterizations of first-time…

微分几何 · 数学 2011-04-19 Mu-Tao Wang

We survey some of the state of the art regarding singularities in Lagrangian mean curvature flow. Some open problems are suggested at the end.

微分几何 · 数学 2010-12-10 André Neves

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.

微分几何 · 数学 2010-07-22 Claus Gerhardt

We study solutions of the mean curvature flow which are defined for all negative curvature times, usually called ancient solutions. We give various conditions ensuring that a closed convex ancient solution is a shrinking sphere. Examples of…

微分几何 · 数学 2018-05-23 G. Huisken , C. Sinestrari

We study a version of the Hermitian curvature flow on compact homogeneous complex manifolds. We prove that the solution has a finite exstinction time $T>0$ and we analyze its behaviour when $t\to T$. We also determine the invariant static…

微分几何 · 数学 2019-03-26 Francesco Panelli , Fabio Podestà

We prove a gradient estimate for graphical spacelike mean curvature flow with a general Neumann boundary condition in dimension $n=2$. This then implies that the mean curvature flow exists for all time and converges to a translating…

微分几何 · 数学 2016-10-10 Ben Lambert