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In the Minkowski space, we consider a compact, spacelike hypersurface with boundary, which can be written as a graph on a spacelike hyperplane. We prove that, if its $k$-th mean curvature is constant, and its boundary is on the hyperplane…

微分几何 · 数学 2026-03-17 Shanze Gao

The mean curvature flow is an evolution process under which a submanifold deforms in the direction of its mean curvature vector. The hypersurface case has been much studied since the eighties. Recently, several theorems on regularity,…

微分几何 · 数学 2007-05-23 Mu-Tao Wang

In this paper, we study $4$-dimensional complete hypersurfaces with $w$-constant mean curvature in the unit sphere. We give a lower bound of the scalar curvature for $4$-dimensional complete hypersurfaces with $w$-constant mean curvature.…

微分几何 · 数学 2023-11-17 Qing-Ming Cheng , Guoxin Wei

Let $P$ be a submanifold properly immersed in a rotationally symmetric manifold having a pole and endowed with a weight $e^h$. The aim of this paper is twofold. First, by assuming certain control on the $h$-mean curvature of $P$, we…

微分几何 · 数学 2018-05-28 Ana Hurtado , Vicente Palmer , César Rosales

We make observations about constant mean curvature surfaces in Euclidean 3-space and their dual surfaces, and the resulting pairs of surfaces in hyperbolic 3-space under the Lawson correspondence.

微分几何 · 数学 2012-06-26 Wayne Rossman , Magdalena Toda

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

It is still an open question whether a compact embedded hypersurface in the Euclidean space R^{n+1} with constant mean curvature and spherical boundary is necessarily a hyperplanar ball or a spherical cap, even in the simplest case of…

微分几何 · 数学 2007-05-23 Luis J. Alias , Jorge H. S. de Lira , J. Miguel Malacarne

In this paper, we study the intrinsic mean curvature flow on certain closed spacelike manifolds, and prove the existence of hyperbolic structures on them.

微分几何 · 数学 2008-10-23 Kun Zhang

In this note, we investigate the existence of smooth complete hypersurfaces in hyperbolic space with constant $(n-2)$-curvature and a prescribed asymptotic boundary at infinity. Previously, the existence was known only for a restricted…

微分几何 · 数学 2026-04-28 Bin Wang

We establish a general formula for the enclosed volume of constant mean curvature (CMC) surfaces in Euclidean three space with translational periods forming a lattice. The formula relates the volume to the surface area, a…

微分几何 · 数学 2026-01-22 Lynn Heller , Sebastian Heller , Martin Traizet

We consider complete spacelike hypersurfaces with constant mean curvature in the open region of de Sitter space known as the steady state space. We prove that if the hypersurface is bounded away from the infinity of the ambient space, then…

微分几何 · 数学 2009-02-17 Alma L. Albujer , Luis J. Alias

We apply the mean curvature flow to deform symplectomorphisms of $\mathbb{CP}^n$. In particular, we prove that, for each dimension n, there exists a constant $\Lambda$, explicitly computable, such that any $\Lambda$-pinched…

微分几何 · 数学 2011-01-27 Ivana Medos , Mu-Tao Wang

For a Riemannian manifold $M$, possibly with boundary, we consider the Riemannian product $M\times\mathbb{R}^k$ with a smooth positive function that weights the Riemannian measures. In this work we characterize parabolic hypersurfaces with…

微分几何 · 数学 2022-03-02 Katherine Castro , César Rosales

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…

偏微分方程分析 · 数学 2020-07-16 Inwon Kim , Dohyun Kwon

We extend the estimate obtained in [1] for the mean curvature of a cylindrically bounded proper submanifold in a product manifold with an Euclidean space as one factor to a general product ambient space endowed with a warped product…

微分几何 · 数学 2011-07-08 Luis J. Alias , Marcos Dajczer

In this paper we will discuss how one may be able to use mean curvature flow to tackle some of the central problems in topology in 4-dimensions. We will be concerned with smooth closed 4-manifolds that can be smoothly embedded as a…

微分几何 · 数学 2012-08-30 Tobias Holck Colding , William P. Minicozzi , Erik Kjaer Pedersen

We give a new proof for the existence of mean curvature flow with surgery of 2-convex hypersurfaces in $R^N$, as announced in arXiv:1304.0926. Our proof works for all $N \geq 3$, including mean convex surfaces in $R^3$. We also derive a…

微分几何 · 数学 2017-10-18 Robert Haslhofer , Bruce Kleiner

We consider the mean curvature flow of compact convex surfaces in Euclidean $3$-space with free boundary lying on an arbitrary convex barrier surface with bounded geometry. When the initial surface is sufficiently convex, depending only on…

偏微分方程分析 · 数学 2020-01-07 Sven Hirsch , Martin Li

In this paper, we study the area-preserving and length-preserving $\kappa^\alpha$-type curvature flows of smooth, closed, convex curves in the two-dimensional hyperbolic plane $\mathbb H^2$ for $\alpha<0$ and prove that convexity is…

微分几何 · 数学 2026-04-14 Zhishuai Liu , Guoxin Wei

We construct for every connected surface $S$ of finite negative Euler characteristic and every $H \in [0,1)$, a hyperbolic 3-manifold $N(S,H)$ of finite volume and a proper, two-sided, totally umbilic embedding $f\colon S\to N(S,H)$ with…

微分几何 · 数学 2020-07-10 Colin Adams , William H. Meeks , Alvaro K. Ramos