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We consider an axisymmetric closed hypersurface evolving by its mean curvature with driving force under singular initial hypersurface. We study this problem by level set method. We give some criteria to judge whether the interface evolution…

Differential Geometry · Mathematics 2017-12-29 Ryunosuke Mori , Longjie Zhang

In this paper, we consider the mean curvature flow with driving force on fixed extreme points in the plane. We give a general local existence and uniqueness result of this problem with $C^2$ initial curve. For a special family of initial…

Dynamical Systems · Mathematics 2017-04-03 Longjie Zhang

We investigate the formation of singularities for surfaces evolving by volume preserving mean curvature flow. For axially symmetric flows - surfaces of revolution - in $\mathbb{R}^3$ with Neumann boundary conditions, we prove that the first…

Differential Geometry · Mathematics 2019-02-26 Maria Athanassenas , Sevvandi Kandanaarachchi

We study families of smooth immersed regular planar curves $ \alpha : \left [-1,1 \right ]\times \left [0,T \right )\to \mathbb{R}^{2}$ satisfying the fourth order nonlinear curve diffusion flow with generalised Neumann boundary conditions…

Analysis of PDEs · Mathematics 2024-01-01 Mashniah Gazwani , James McCoy

Over a bounded strictly convex domain in $\mathbb{R}^n$ with smooth boundary, we establish a priori gradient estimate for an anisotropic mean curvature flow with prescribed contact angle and Neumann boundary conditions. The estimates…

Analysis of PDEs · Mathematics 2025-10-28 Can Cui , Nung Kwan Yip

We consider the parabolic polyharmonic diffusion and $L^2$-gradient flows of the $m$-th arclength derivative of curvature for regular closed curves evolving with generalised Neumann boundary conditions. In the polyharmonic case, we prove…

Analysis of PDEs · Mathematics 2020-01-20 James McCoy , Glen Wheeler , Yuhan Wu

In this paper, we study an obstacle problem associated with the mean curvature flow with constant driving force. Our first main result concerns interior and boundary regularity of the solution. We then study in details the large time…

Analysis of PDEs · Mathematics 2018-10-09 Yoshikazu Giga , Hung V. Tran , Longjie Zhang

We investigate the relation between the level set approach and the varifold approach for the mean curvature flow with Neumann boundary conditions. With an appropriate initial data, we prove that the almost all level sets of the unique…

Analysis of PDEs · Mathematics 2021-11-02 Satoru Aimi

Many physical situations are characterized by interfaces with a non trivial shape so that relevant geometric features, such as interfacial area, curvature or unit normal vector, can be used as main indicators of the topology of the…

Fluid Dynamics · Physics 2023-10-03 Giuseppe Orlando , Paolo Francesco Barbante , Luca Bonaventura

We study the evolution of a Jordan curve on the 2-sphere by curvature flow, also known as curve shortening flow, and by level-set flow, which is a weak formulation of curvature flow. We show that the evolution of the curve depends…

Differential Geometry · Mathematics 2021-06-17 Michael Gene Dobbins

We consider a family of nonlocal curvatures determined through a kernel which is symmetric and bounded from above by a radial and radially non-increasing profile satisfying an integrability condition. It turns out that such definition…

Analysis of PDEs · Mathematics 2024-12-24 Wojciech Cygan , Tomasz Grzywny , Julia Lenczewska

Here, we study a level-set forced mean curvature flow with the homogeneous Neumann boundary condition. We first show that the solution is Lipschitz in time and locally Lipschitz in space. Then, under an additional condition on the forcing…

Analysis of PDEs · Mathematics 2023-01-03 Jiwoong Jang , Dohyun Kwon , Hiroyoshi Mitake , Hung Vinh Tran

We study the convergence of an axially symmetric hypersurface evolving by volume preserving mean curvature flow. Assuming the surface is not pinching off along the axis at any time during the flow, and without any additional conditions, as…

Differential Geometry · Mathematics 2011-08-31 Maria Athanassenas , Sevvandi Kandanaarachchi

In this article we investigate a system of geometric evolution equations describing a curvature driven motion of a family of 3D curves in the normal and binormal directions. Evolving curves may be subject of mutual interactions having both…

Analysis of PDEs · Mathematics 2022-01-11 Michal Benes , Miroslav Kolar , Daniel Sevcovic

In this paper, we study surfaces which evolve by anisotropic mean curvature flow with contact angle boundary condition over a strictly convex domain in $\mathbb{R}^2$. We establish a prior gradient estimate for smooth solutions to this…

Analysis of PDEs · Mathematics 2025-10-28 Can Cui , Nung Kwan Yip

We study a Neumann problem related to the evolution of graphs under mean curvature flow in Riemannian manifolds endowed with a Killing vector field. We prove that in a particular case these graphs converge to a bounded minimal graph which…

Differential Geometry · Mathematics 2012-10-03 Jorge H. Lira , Gabriela A. Wanderley

The avoidance principle says that mean curvature flows of hypersurfaces remain disjoint if they are disjoint at the initial time. We prove several generalizations of the avoidance principle that allow for intersections of hypersurfaces.…

Differential Geometry · Mathematics 2025-05-20 Tang-Kai Lee , Alec Payne

We introduce in this paper new and very effective numerical methods based on neural networks for the approximation of the mean curvature flow of either oriented or non-orientable surfaces. To learn the correct interface evolution law, our…

Numerical Analysis · Mathematics 2022-09-20 Elie Bretin , Roland Denis , Simon Masnou , Garry Terii

We flow a hypersurface in Euclidean space by mean curvature flow with a Neumann boundary condition, where the boundary manifold is any torus of revolution. If we impose the conditions that the initial manifold is compatible and does not…

Differential Geometry · Mathematics 2018-12-14 Ben Lambert

In recent years, there has been a growing interest in geometric evolution in heterogeneous media. Here we consider curvature driven fows of planar curves, with an additional space-dependent forcing term. Motivated by a homogenization…

Analysis of PDEs · Mathematics 2010-03-29 Annalisa Cesaroni , Matteo Novaga , Enrico Valdinoci
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