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In this paper, we consider functionals related to mean curvature flow in an ambient space which evolves by an extended Ricci flow from the perspective introduced by Lott when studying a mean curvature flow in a Ricci flow background. One of…

微分几何 · 数学 2024-04-12 José N. V. Gomes , Matheus Hudson

In this paper, inspired by the work of Spruck-Xiao [27] and based partly on a result of Derdzi\'nski [11], we prove the convexity of complete 2-convex translating and expanding solitons to the mean curvature flow in $\mathbb{R}^{n+1}$. More…

微分几何 · 数学 2024-04-02 Junming Xie , Jiangtao Yu

In this paper, we classify the nondegenerate ruled surfaces in the three-dimensional Lorentz-Minkowski space that are translating solitons for the inverse mean curvature flow. In particular, we prove the existence of non-cylindrical ruled…

微分几何 · 数学 2023-08-23 Gregório Silva Neto , Vanessa Silva

We show that a curve is a soliton solution to the curve shortening flow if and only if its geodesic curvature can be written as the inner product between its tangent vector field and a fixed vector of the 3-dimensional Minkowski space. We…

微分几何 · 数学 2021-02-01 Fabio Nunes da Silva , Keti Tenenblat

This work is a survey of the most relevant background material to motivate and understand the construction and classification of translating solutions to mean curvature flow on a family of solvmanifolds. We introduce the mean curvature flow…

微分几何 · 数学 2024-01-02 Romina M. Arroyo , Gabriela P. Ovando , Raquel Perales , Mariel Sáez

We desingularise the union of $3$ Grim paraboloids along Costa-Hoffman-Meeks surfaces in order to obtain complete embedded translating solitons of the mean curvature flow with $3$ ends and arbitrary finite genus.

微分几何 · 数学 2024-05-22 Graham Smith

We construct embedded ancient solutions to mean curvature flow related to certain classes of unstable minimal hypersurfaces in $\mathbb{R}^{n+1}$ for $n \geq 2$. These provide examples of mean convex yet nonconvex ancient solutions that are…

微分几何 · 数学 2019-05-02 Alexander Mramor , Alec Payne

Motivated by the theory of isoparametric hypersurfaces, we study submanifolds whose tubular hypersurfaces have some constant "higher order mean curvatures". Here a $k$-th order mean curvature $Q_k$ ($k\geq1$) of a hypersurface $M^n$ is…

微分几何 · 数学 2011-10-03 Jianquan Ge

A submanifold of a pseudo-Riemannian manifold is said to have parallel mean curvature vector if the mean curvature vector field H is parallel as a section of the normal bundle. Submanifolds with parallel mean curvature vector are important…

微分几何 · 数学 2013-07-02 Bang-Yen Chen

In this paper, we investigate space-like graphs defined over a domain $\Omega\subset M^{n}$ in the Lorentz manifold $M^{n}\times\mathbb{R}$ with the metric $-ds^{2}+\sigma$, where $M^{n}$ is a complete Riemannian $n$-manifold with the…

微分几何 · 数学 2021-01-15 Ya Gao , Jing Mao , Chuanxi Wu

This paper focuses on the translating solitons of fully nonlinear extrinsic curvature geometric flows in $\mathbb{R}^{n+1}$. We present a generalization of the Spruck-Xiao's and Spruck-Sun's convexity results for $1$-homogeneous…

微分几何 · 数学 2024-11-27 José Torres Santaella

We establish existence and uniqueness of compact graphs of constant mean curvature in MxR over bounded multiply connected domains of Mx{0} with boundary lying in two parallel horizontal slices of MxR

微分几何 · 数学 2015-06-23 Ari J. Aiolfi , Giovanni S. Nunes , Lisandra O. Sauer , Rodrigo B. Soares

We consider {translators} (i.e., initial condition of translating solitons) to mean curvature flow (MCF) in the hyperbolic $3$-space $\mathbb H^3$, providing existence and classification results. More specifically, we show the existence and…

微分几何 · 数学 2024-12-19 R. F. de Lima , A. K. Ramos , J. P. dos Santos

We provide a derivative estimate for the pluriclosed flow, controlling higher order derivatives of Chern curvature and torsion using the Chern curvature. Moreover, we derive an estimate for torsion tensor using Chern Ricci curvature in…

微分几何 · 数学 2023-11-14 Yanan Ye

The main result of this paper is a convexity estimate for translating solitons of extrinsic geometric flows which evolve under a $1$-homogeneous concave function in the principal curvatures. In addition, we show examples of these…

微分几何 · 数学 2021-09-28 Jose Torres Santaella

Let $M$ be a K\"ahler-Einstein surface with positive scalar curvature. If the initial surface is sufficiently close to a holomorphic curve, we show that the mean curvature flow has a global solution and it converges to a holomorphic curve.

微分几何 · 数学 2007-05-23 Xiaoli Han , Jiayu Li

In this study, we deal with non-degenerate translators of the mean curvature flow in the well-known hyperbolic Einstein's static universe. We classify translators foliated by horospheres and rotationally invariant ones, both space-like and…

微分几何 · 数学 2024-04-16 Miguel Ortega , Buse Yalçın

Mean curvature flow for isoparametric submanifolds in Euclidean spaces and spheres was studied by the authors in [LT]. In this paper, we will show that all these solutions are ancient solutions. We also discuss rigidity of ancient mean…

微分几何 · 数学 2019-12-10 Xiaobo Liu , Chuu-Lian Terng

In this paper, we consider soliton solutions of the mean curvature flow in the unit sphere $S^{2n+1}$ moving along the integral curves of the Hopf unit vector field. While such solitons must necessarily be minimal if compact, we produce a…

微分几何 · 数学 2026-02-10 Marco Magliaro , Luciano Mari , Fernanda Roing , Andreas Savas-Halilaj

It is the purpose of this article to establish a technical tool to study regularity of solutions to parabolic equations on manifolds. As applications of this technique, we prove that solutions to the Ricci-DeTurck flow, the surface…

偏微分方程分析 · 数学 2016-09-29 Yuanzhen Shao