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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

Advection and mean curvature flow is used as a model of bone microarchitecture adaptation. It is an equivalent geometric flow to prescribed mean curvature flow with an additional rate term. In order to validate numerical methods for…

Differential Geometry · Mathematics 2020-12-22 Bryce A. Besler , Tannis D. Kemp , Nils D. Forkert , Steven K. Boyd

We study a flow of $G_2$ structures which induce the same Riemannian metric which is the negative gradient flow of an energy functional. We prove Shi-type estimates for the torsion tensor along the flow. We show that at a finite-time…

Differential Geometry · Mathematics 2021-02-15 Shubham Dwivedi , Panagiotis Gianniotis , Spiro Karigiannis

We consider the $L^2$ gradient flow for the Willmore functional in Riemannian manifolds of bounded geometry. In the euclidean case E.\;Kuwert and R.\;Sch\"atzle [\textsl{Gradient flow for the Willmore functional,} Comm. Anal. Geom., 10:…

Differential Geometry · Mathematics 2013-08-29 Florian Link

Studying various functionals and associated gradient ows are known problems in differential geometry. The perpose of this article is to provide a general overview of curvature functionals in Finsler geometry and use their information for…

Differential Geometry · Mathematics 2014-10-07 N. Shojaee , M. M. Rezaii

In this article, we introduce a new type of mean curvature flow for bounded star-shaped domains in space forms and prove its longtime existence, exponential convergence without any curvature assumption. Along this flow, the enclosed volume…

Differential Geometry · Mathematics 2013-09-23 Pengfei Guan , Junfang Li

Associated to oriented surfaces immersed in R^3 here are studied pairs of transversal foliations with singularities, defined on the Elliptic region, where the Gaussian curvature K, given by the product of the principal curvatures k_1, k_2…

Differential Geometry · Mathematics 2007-05-23 Ronaldo Garcia , Jorge Sotomayor

In this survey, we will focus on the mean curvature flow theory with sphere theorems, and discuss the recent developments on the convergence theorems for the mean curvature flow of arbitrary codimension inspired by the Yau rigidity theory…

Differential Geometry · Mathematics 2020-04-29 Li Lei , Hong-Wei Xu

The evolution of a closed two-dimensional surface driven by both mean curvature flow and a reaction--diffusion process on the surface is formulated into a system, which couples the velocity law not only to the surface partial differential…

Numerical Analysis · Mathematics 2020-08-18 Balázs Kovács , Buyang Li , Christian Lubich

We study the mean curvature flow of graphs both with Neumann boundary conditions and transport terms. We derive boundary gradient estimates for the mean curvature flow. As an application, the existence of the mean curvature flow of graphs…

Analysis of PDEs · Mathematics 2021-12-22 Masashi Mizuno , Keisuke Takasao

We consider (smooth) solutions of the mean curvature flow of graphs over bounded domains in a Lie group free up to step two (and not necessarily nilpotent), endowed with a one parameter family of Riemannian metrics $\sigma_\e$ collapsing to…

Analysis of PDEs · Mathematics 2015-02-04 Luca Capogna , Giovanna Citti , Maria Manfredini

We study the mean curvature flow of smooth $n$-dimensional compact submanifolds with quadratic pinching in a Riemannian manifold $\mathcal{N}^{n+m}$. Our main focus is on the case of high codimension, $m\geq 2$. We establish a codimension…

Differential Geometry · Mathematics 2023-03-02 Artemis A. Vogiatzi , Huy T. Nguyen

We study the volume preserving mean curvature flow of a surface immersed in an asymptotically flat $3$-manifold modeling an isolated gravitating system in General Relativity. We show that, if the ambient manifold has positive ADM mass and…

Differential Geometry · Mathematics 2025-01-23 Carlo Sinestrari , Jacopo Tenan

We consider a family of embedded, mean convex hypersurfaces in a Riemannian manifold which evolve by the mean curvature flow. We show that, given any number $T>0$ and any $\delta>0$, we can find a constant $C_0$ with the following property:…

Differential Geometry · Mathematics 2013-11-26 S. Brendle

The purpose of this article is to provide a general overview of curvature functional in Finsler geometry and use its information to introduce the gradient flow on Finsler manifolds. For this purpose, we first prove that the space of…

Differential Geometry · Mathematics 2015-04-27 N. Shojaee , M. M. Rezaii

We study an analogue of the Calabi flow in the non-K\"ahler setting for compact Hermitian manifolds with vanishing first Bott-Chern class. We prove a priori estimates for the evolving metric along the flow given a uniform bound on the Chern…

Differential Geometry · Mathematics 2022-02-03 Xi Sisi Shen

We consider the mean curvature flow of a closed hypersurface in the complex or quaternionic projective space. Under a suitable pinching assumption on the initial data, we prove apriori estimates on the principal curvatures which imply that…

Differential Geometry · Mathematics 2016-10-04 Giuseppe Pipoli , Carlo Sinestrari

We define a formal Riemannian metric on a given conformal class of metrics on a closed Riemann surface. We show interesting formal properties for this metric, in particular the curvature is nonpositive and the Liouville energy is…

Differential Geometry · Mathematics 2015-07-20 Matthew J. Gursky , Jeffrey Streets

In this note we prove the backwards uniqueness of the mean curvature flow for (codimension one) hypersurfaces in a Euclidean space. More precisely, let $F_t, \widetilde{F}_t:M^n \rightarrow \mathbb{R}^{n+1}$ be two complete solutions of the…

Differential Geometry · Mathematics 2019-01-10 Hong Huang

Motivated by previous study on mean curvature flow and prescribed mean curvature flow on spatially compact space or asymptotically flat spacetime, in this work we will find sufficient conditions for the short time existence of prescribed…

Differential Geometry · Mathematics 2024-06-10 Luen-Fai Tam