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Given a convex cone in the \emph{prescribed} warped product, we consider hypersurfaces with boundary which are star-shaped with respect to the center of the cone and which meet the cone perpendicularly. If those hypersurfaces inside the…

Differential Geometry · Mathematics 2017-06-02 Li Chen , Jing Mao , Ni Xiang , Chi Xu

In this paper we investigate the one-dimensional hyperbolic mean curvature flow for closed plane curves. We show that there exists a class of initial velocities such that the solution of the corresponding initial value problem exists only…

Differential Geometry · Mathematics 2008-03-05 De-Xing Kong , Kefeng Liu , Zeng-Gui Wang

We prove the existence of a weak global in time mean curvature flow of a bounded partition of space using the method of minimizing movements. The result is extended to the case when suitable driving forces are present. We also prove some…

Analysis of PDEs · Mathematics 2018-05-17 Giovanni Bellettini , Shokhrukh Yusufovich Kholmatov

In this paper we consider a star-shaped hypersurface flow by mean curvature. Without any assumption on the convexity, we give a new proof of gradient estimate for a short time. As an application, we also give a lower bound for the blowing…

Differential Geometry · Mathematics 2013-11-18 Ling Xiao

We establish short-time existence of the smooth solution to the fractional mean curvature flow when the initial set is bounded and C^{1,1}-regular. We provide the same result also for the volume preserving fractional mean curvature flow.

Analysis of PDEs · Mathematics 2020-04-24 Vesa Julin , Domenico La Manna

In this work we consider the global existence of volume-preserving crystalline curvature flow in a non-convex setting. We show that a natural geometric property, associated with reflection symmetries of the Wulff shape, is preserved with…

Analysis of PDEs · Mathematics 2020-12-29 Inwon Kim , Dohyun Kwon , Norbert Požár

We consider the volume preserving flow of smooth, closed and convex hypersurfaces in the hyperbolic space $\mathbb{H}^{n+1}$ with speed given by a general nonhomogeneous function of the Gauss curvature. For a large class of speed functions,…

Differential Geometry · Mathematics 2025-04-04 Yong Wei , Bo Yang , Tailong Zhou

First we investigate the evolutions of the radius function and its gradient along the volume-preserving mean curvature flow starting from a tube (of nonconstant radius) over a compact closed domain of a reflective submanifold in a symmetric…

Differential Geometry · Mathematics 2017-06-30 Naoyuki Koike

We propose and analyze volume-preserving parametric finite element methods for surface diffusion, conserved mean curvature flow and an intermediate evolution law in an axisymmetric setting. The weak formulations are presented in terms of…

Numerical Analysis · Mathematics 2022-04-08 Weizhu Bao , Harald Garcke , Robert Nurnberg , Quan Zhao

We consider a system consisting of a geometric evolution equation for a hypersurface and a parabolic equation on this evolving hypersurface. More precisely, we discuss mean curvature flow scaled with a term that depends on a quantity…

Analysis of PDEs · Mathematics 2022-05-06 Helmut Abels , Felicitas Bürger , Harald Garcke

Center manifold analysis can be used in order to investigate the stability of the stationary solutions of various PDEs. This can be done by considering the PDE as an ODE between certain Banach spaces and linearising about the stationary…

Analysis of PDEs · Mathematics 2012-09-20 David Hartley

We consider the flat flow solution, obtained via discrete minimizing movement scheme, to the volume preserving mean curvature flow starting from C^{1,1}-regular set. We prove the consistency principle which states that (any) such flat flow…

Analysis of PDEs · Mathematics 2022-09-15 Vesa Julin , Joonas Niinikoski

It is proved that Gage's area-preserving flow can evolve a centrosymmetric star-shaped initial curve smoothly, make it convex in a finite time and deform it into a circle as time tends to infinity.

Differential Geometry · Mathematics 2021-05-26 Laiyuan Gao , Shengliang Pan

We first demonstrate that the area preserving mean curvature flow of hypersurfaces in space forms exists for all time and converges exponentially fast to a round sphere if the integral of the traceless second fundamental form is…

Differential Geometry · Mathematics 2024-09-23 Yaoting Gui , Yuqiao Li , Jun Sun

In this paper, we introduce a volume- or area-preserving curvature flow for hypersurfaces with capillary boundary in the half-space, with speed given by a positive power of the mean curvature with a non-local averaging term. We demonstrate…

Differential Geometry · Mathematics 2025-02-20 Carlo Sinestrari , Liangjun Weng

In this note, we derive a stability and weak-strong uniqueness principle for volume-preserving mean curvature flow. The proof is based on a new notion of volume-preserving gradient flow calibrations, which is a natural extension of the…

Analysis of PDEs · Mathematics 2022-09-29 Tim Laux

We prove stability of rotationally symmetric translating solutions to mean curvature flow. For initial data that converge spatially at infinity to such a soliton, we obtain convergence for large times to that soliton without imposing any…

Differential Geometry · Mathematics 2007-05-23 Julie Clutterbuck , Oliver C. Schnürer , Felix Schulze

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

An evolving surface finite element discretisation is analysed for the evolution of a closed two-dimensional surface governed by a system coupling a generalised forced mean curvature flow and a reaction--diffusion process on the surface,…

Numerical Analysis · Mathematics 2022-06-06 Charles M. Elliott , Harald Garcke , Balázs Kovács

We show the consistency of a threshold dynamics type algorithm for the anisotropic motion by fractional mean curvature, in the presence of a time dependent forcing term. Beside the consistency result, we show that convex sets remain convex…

Numerical Analysis · Mathematics 2016-03-24 Antonin Chambolle , Matteo Novaga , Berardo Ruffini