中文
相关论文

相关论文: Existence of BV flow via elliptic regularization

200 篇论文

In this paper, we investigate the mean curvature flow having equifocal submanifolds as initial data. The investigation are performed by investigating the mean curvature flow having the lifted submanifolds to a Hilbert space through a…

微分几何 · 数学 2009-08-01 Naoyuki Koike

We study both experimentally and numerically the steady zonal flow generated by longitudinal librations of a spherical rotating container. This study follows the recent weakly nonlinear analysis of Busse (2010), developed in the limit of…

流体动力学 · 物理学 2011-06-29 Alban Sauret , David Cébron , Cyprien Morize , Michael Le Bars

In this note we generalize an extension theorem in [5] and [9] of the mean curvature flow to the H^{k} mean curvature flow under some extra conditions. The main difficult problem in proving the extension theorem is to find a suitable…

微分几何 · 数学 2009-10-08 Yi Li

We consider the obstacle problem of the weak solution for the mean curvature flow, in the sense of Brakke's mean curvature flow. We prove the global existence of the weak solution with obstacles which have $C^{1,1}$ boundaries, in two and…

偏微分方程分析 · 数学 2021-08-30 Keisuke Takasao

We introduce a geometric evolution equation of hyperbolic type, which governs the evolution of a hypersurface moving in the direction of its mean curvature vector. The flow stems from a geometrically natural action containing kinetic and…

微分几何 · 数学 2007-12-04 Philippe G. LeFloch , Knut Smoczyk

In [Vel94], Velazquez constructed a countable collection of mean curvature flow solutions in $\mathbb{R}^N$ in every dimension $N \ge 8$. Each of these solutions becomes singular in finite time at which time the second fundamental form…

微分几何 · 数学 2020-03-16 Maxwell Stolarski

In this paper, we investigate the mean curvature flow of compact surfaces in $4$-dimensional space forms. We prove the convergence theorems for the mean curvature flow under certain pinching conditions involving the normal curvature, which…

微分几何 · 数学 2020-04-30 Dong Pu , Jingjing Su , Hongwei Xu

We investigate the integral conditions to extend the mean curvature flow in a Riemannian manifold. We prove that the mean curvature flow solution with finite total mean curvature on a finite time interval $[0,T)$ can be extended over time…

微分几何 · 数学 2009-10-13 Hong-Wei Xu , Fei Ye , En-Tao Zhao

In this paper we consider a ``flow'' of nonparametric solutions of the volume constrained Plateau problem with respect to a convex planar curve. Existence and regularity is obtained from standard elliptic theory, and convexity results for…

微分几何 · 数学 2016-09-07 John McCuan

We propose a new weak solution concept for (two-phase) mean curvature flow which enjoys both (unconditional) existence and (weak-strong) uniqueness properties. These solutions are evolving varifolds, just as in Brakke's formulation, but are…

偏微分方程分析 · 数学 2021-09-28 Sebastian Hensel , Tim Laux

There exist rotationally symmetric translating solutions to mean curvature flow that can be written as a graph over Euclidean space. This result is well-known. Its proof uses the symmetry and techniques from partial differential equations.…

微分几何 · 数学 2025-05-23 Hakar Raji , Oliver C. Schnürer

Some work in progress is announced, on the use of algebraic geometry, mostly concerning elliptic curve theory, to model turbulence. Attention is given to flows across the scales, on some convenient model space, and some current trials are…

数学物理 · 物理学 2012-01-04 Luís G. D. C. Borges

We give an extensive treatment of the Constant Mean Curvature (CMC) Einstein flow from the point of view of the Bel-Robinson energies. The article, in particular, stresses on estimates showing how the Bel-Robinson energies and the volume of…

广义相对论与量子宇宙学 · 物理学 2008-09-19 Martin Reiris

We study the formation of generic singularities of mean curvature flow by combining the different approaches, specifically the methods in studying blowup of nonlinear heat equations, the techniques used by the author and the collaborators…

偏微分方程分析 · 数学 2021-07-27 Zhou Gang

The regularity theory for pluriclosed flow hinges on obtaining $C^{\alpha}$ regularity for the metric assuming uniform equivalence to a background metric. This estimate was established in \cite{StreetsPCFBI} by an adaptation of ideas from…

微分几何 · 数学 2020-02-25 Joshua Jordan , Jeffrey Streets

Ancient solutions arise in the study of parabolic blow-ups. If we can categorize ancient solutions, we can better understand blow-up limits. Based on an argument of Giga and Kohn, we give a Liouville-type theorem restricting ancient,…

微分几何 · 数学 2017-11-08 Kevin Sonnanburg

Since their development in 2001, regularised stokeslets have become a popular numerical tool for low-Reynolds number flows since the replacement of a point force by a smoothed blob overcomes many computational difficulties associated with…

流体动力学 · 物理学 2019-08-23 Boan Zhao , Eric Lauga , Lyndon Koens

Let $M$ be a complete Riemannian manifold which either is compact or has a pole, and let $\varphi$ be a positive smooth function on $M$. In the warped product $M\times_\varphi\mathbb R$, we study the flow by the mean curvature of a locally…

微分几何 · 数学 2009-06-17 Alexander A. Borisenko , Vicente Miquel

We provide a connection between weak solution concepts of mean curvature flow. On the one side we have the viscosity solution which is based on the comparison principle. On the other, variational solutions, which are combined Brakke flows…

偏微分方程分析 · 数学 2026-01-19 Tim Laux , Anton Ullrich

We demonstrate that the property of being Alexandrov immersed is preserved along mean curvature flow. Furthermore, we demonstrate that mean curvature flow techniques for mean convex embedded flows such as noncollapsing and gradient…

微分几何 · 数学 2022-06-29 Ben Lambert , Elena Mäder-Baumdicker