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We study closed, embedded hypersurfaces in Euclidean space evolving by fully nonlinear curvature flows, whose speed is given by a symmetric, monotone increasing, $1$-homogeneous, positive underlying speed function $F$ composed with a…

Differential Geometry · Mathematics 2025-09-29 Weimin Sheng , Ye Zhu

We consider the evolution of starshaped hypersurfaces in the Euclidean space by general curvature functions. Under appropriate conditions on the curvature function, we prove the global existence and convergence of the flow to a hypersurface…

Differential Geometry · Mathematics 2013-02-11 Ali Fardoun , Rachid Regbaoui

This paper continues the investigation of isoperimetric inequalities through volume preserving and area decreasing mean curvature type flows related to conformal Killing vector fields. Results of this kind prior to this paper all studied…

Differential Geometry · Mathematics 2023-09-27 Joshua Flynn , Jacob Reznikov

In this paper, we study flows of hypersurfaces in hyperbolic space, and apply them to prove geometric inequalities. In the first part of the paper, we consider volume preserving flows by a family of curvature functions including positive…

Differential Geometry · Mathematics 2025-08-28 Ben Andrews , Xuzhong Chen , Yong Wei

Given any nondegenerate k-dimensional minimal submanifold K of codimension greater than 1, we prove the existence of families of constant mean curvature submanifolds, with mean curvature varying from one member of the family to another,…

Differential Geometry · Mathematics 2007-05-23 Fethi Mahmoudi , Rafe Mazzeo , Frank Pacard

Given a mean curvature flow of compact, embedded $C^2$ surfaces satisfying Neumann free boundary condition on a mean convex, smooth support surface in 3-dimensional Euclidean space, we show that it can be extended as long as its mean…

Differential Geometry · Mathematics 2018-07-10 Siao-Hao Guo

We prove that the limit hypersurfaces of converging curvature flows are stable, if the initial velocity has a weak sign, and give a survey of the existence and regularity results.

Differential Geometry · Mathematics 2008-09-16 Claus Gerhardt

In this paper, we first study the locally constrained curvature flow of hypersurfaces in hyperbolic space, which was introduced by Brendle, Guan and Li [7]. This flow preserves the $m$th quermassintegral and decreases $(m+1)$th…

Differential Geometry · Mathematics 2023-08-11 Yingxiang Hu , Haizhong Li , Yong Wei

We show that the evolution of isoparametric hypersurfaces of Riemannian manifolds by the mean curvature flow is given by a reparametrization of the parallel family in short time, as long as the uniqueness of the mean curvature flow holds…

Differential Geometry · Mathematics 2022-06-16 Felippe Guimarães , João Batista Marques dos Santos , João Paulo dos Santos

Brendle [6] successfully establishes the sharp Michael-Simon inequality for mean curvature on Riemannian manifolds with nonnegative sectional curvature ($\mathcal{K} \geq 0$), and the proof relies on the Alexandrov-Bakelman-Pucci method.…

Differential Geometry · Mathematics 2025-02-04 Jingshi Cui , Peibiao Zhao

In this paper, we introduce a kind of inverse mean curvature flow (1.2) in a Sasakian sub-Riemannian 3-manifold $M$ for Legendrian curves, which slightly differs from the classical one, and confirm that this flow preserves the Legendrian…

Differential Geometry · Mathematics 2025-09-30 Jingshi Cui , Peibiao Zhao

We obtain the evolution equations for the Riemann tensor, the Ricci tensor and the scalar curvature induced by the mean curvature flow. The evolution for the scalar curvature is similar to the Ricci flow, however, negative, rather than…

Mathematical Physics · Physics 2009-03-12 Victor Tapia

We consider inverse curvature flows in warped product manifolds, which are constrained subject to local terms of lower order, namely the radial coordinate and the generalized support function. Under various assumptions we prove longtime…

Differential Geometry · Mathematics 2019-10-07 Julian Scheuer , Chao Xia

A possible evolution of a compact hypersurface in R^n by mean curvature past singularities is defined via the level set flow. In the case that the initial hypersurface has positive mean curvature, we show that the Brakke flow associated to…

Analysis of PDEs · Mathematics 2007-05-23 Jan Metzger , Felix Schulze

We prove the existence of compact surfaces with prescribed constant mean curvature in asymptotically flat and asymptotically hyperbolic manifolds. More precisely, let $(M^3,g)$ be an asymptotically flat manifold with scalar curvature $R\ge…

Differential Geometry · Mathematics 2025-02-26 Liam Mazurowski , Jintian Zhu

We consider the volume preserving geometric evolution of the boundary of a set under fractional mean curvature. We show that smooth convex solutions maintain their fractional curvatures bounded for all times, and the long time asymptotics…

Analysis of PDEs · Mathematics 2020-11-18 Eleonora Cinti , Carlo Sinestrari , Enrico Valdinoci

In this paper, we first consider the curve case of Hu-Li-Wei's flow for shifted principal curvatures of h-convex hypersurfaces in $\mathbb{H}^{n+1}$ proposed in [10]. We prove that if the initial closed curve is smooth and strictly…

Differential Geometry · Mathematics 2024-01-30 Chaoqun Gao , Rong Zhou

We consider inverse curvature flows in the $(n+1)$-dimensional Euclidean space, $n\geq 2,$ expanding by arbitrary negative powers of a 1-homogeneous, monotone curvature function $F$ with some concavity properties. We obtain asymptotical…

Differential Geometry · Mathematics 2016-06-21 Julian Scheuer

In this article, we prove the mean convex neighborhood conjecture for the mean curvature flow of surfaces in $\mathbb{R}^3$. Namely, if the flow has a spherical or cylindrical singularity at a space-time point $X=(x,t)$, then there exists a…

Differential Geometry · Mathematics 2021-08-31 Kyeongsu Choi , Robert Haslhofer , Or Hershkovits

We prove convergence results for expanding curvature flows in the Euclidean and hyperbolic space. The flow speeds have the form $F^{-p}$, where $p>1$ and $F$ is a positive, strictly monotone and 1-homogeneous curvature function. In…

Differential Geometry · Mathematics 2019-07-09 Heiko Kröner , Julian Scheuer