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We study the short-time existence and regularity of solutions to a boundary value problem for the Ricci-DeTurck equation on a manifold with boundary. Using this, we prove the short-time existence and uniqueness of the Ricci flow prescribing…

Differential Geometry · Mathematics 2015-04-14 Panagiotis Gianniotis

We introduce a geometric evolution equation for 3-manifolds with sectional curvature of one sign which is in some sense dual to the Ricci flow. On a closed 3-manifold with negative sectional curvature, we establish short time existence and…

Differential Geometry · Mathematics 2007-05-23 Bennett Chow , Richard Hamilton

In this paper, we present a general approach to obtain numerical schemes with good mesh properties for problems with moving boundaries, that is for evolving submanifolds with boundaries. This includes moving domains and surfaces with…

Numerical Analysis · Mathematics 2016-09-13 Charles M. Elliott , Hans Fritz

Given a closed 3-manifold with an initial Riemannian metric of negative sec- tional curvature, we consider the cross curvature flow an evolution equation of metric on M3. We prove long-time existence of a solution to the cross curvature…

Differential Geometry · Mathematics 2016-09-12 Wei-Hung Liao

In this paper, for a given compact 3-manifold with an initial Riemannian metric and a symmetric tensor, we establish the short-time existence and uniqueness theorem for extension of cross curvature flow. We give an example of this flow on…

General Mathematics · Mathematics 2021-05-26 Shahroud Azami

In this paper we prove local existence of a Ricci de Turck flow starting at a space with incomplete edge singularities and flowing for a short time within a class of incomplete edge manifolds. We derive regularity properties for the…

Differential Geometry · Mathematics 2020-05-19 Boris Vertman

In this paper, we study the positive cross curvature flow on locally homogeneous 3-manifolds. We describe the long time behavior of these flows. We combine this with earlier results concerning the asymptotic behavior of the negative cross…

Differential Geometry · Mathematics 2008-05-23 Xiaodong Cao , Laurent Saloff-Coste

We prove the existence of classical solutions to the Dirichlet problem for a class of fully nonlinear elliptic equations of curvature type on Riemannian manifolds. We also derive new second derivative boundary estimates which allows us to…

Differential Geometry · Mathematics 2013-05-07 Jorge H. S. de Lira , Flávio F. Cruz

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…

Analysis of PDEs · Mathematics 2016-09-29 Yuanzhen Shao

We prove that for any complete three-manifold with a lower Ricci curvature bound and a lower bound on the volume of balls of radius one, a solution to the Ricci flow exists for short time. Actually our proof also yields a (non-canonical)…

Differential Geometry · Mathematics 2016-03-30 Raphael Hochard

In this paper, we prove the existence of classical solutions of the Dirichlet problem for a class of quasi-linear elliptic equations on unbounded domains like a cone or a U-type domain. This problem comes from the study of mean curvature…

Analysis of PDEs · Mathematics 2010-09-17 Huai-Yu Jian , Hong-Jie Ju

Recently, B.Chow and R.S.Hamilton introduced the cross curvature flow on 3-manifolds. In this paper, we analyze two interesting examples for this new flow. One is on a square torus bundle over a circle, and the other is on a $S^{2}$ bundle…

Differential Geometry · Mathematics 2007-05-23 Li Ma , Dezhong Chen

This paper contains a new proof of the short-time existence for the flow by curvature of a network of curves in the plane. Appearing initially in metallurgy and as a model for the evolution of grain boundaries, this flow was later treated…

Differential Geometry · Mathematics 2021-01-13 Jorge Lira , Rafe Mazzeo , Alessandra Pluda , Mariel Saez

We prove the short-time existence of Ricci flows on complete manifolds with scalar curvature bounded below uniformly, Ricci curvature bounded below by a negative quadratic function, and with almost Euclidean isoperimetric inequality holds…

Differential Geometry · Mathematics 2024-10-15 Fei He

We proof existence theorems for the Dirichlet problem for hypersurfaces of constant special Lagrangian curvature in Hadamard manifolds. The first results are obtained using the continuity method and approximation and then refined using two…

Differential Geometry · Mathematics 2009-08-26 Graham Smith

We study the Dirichlet problem for a class of curvature equations arising from conformal geometry on Riemannian manifolds $(M^n, g)$ with boundary where $n \geq 3$. We prove there exists a unique solution using the continuity method which…

Analysis of PDEs · Mathematics 2018-02-06 Weisong Dong

In this paper, we show the existence and uniqueness of local regular solutions to the initial-Neumann boundary value problem of Schr\"{o}dinger flow from a smooth bounded domain $\Omega\subset\mathbb{R}^3$ into $\mathbb{S}^2$(namely…

Analysis of PDEs · Mathematics 2023-08-02 Bo Chen , Youde Wang

We show that solutions to certain higher-order intrinsic geometric flows on a compact manifold, including some flows generated by the ambient obstruction tensor, are unique. With the goal of providing a complete self-contained proof,…

Differential Geometry · Mathematics 2017-05-17 Eric Bahuaud , Dylan Helliwell

We study the Dirichlet problem for minimal surface systems in arbitrary dimension and codimension via mean curvature flow, and obtain the existence of minimal graphs over arbitrary mean convex bounded $C^2$ domains for a large class of…

Differential Geometry · Mathematics 2023-12-27 Qi Ding , J. Jost , Y. L. Xin

We consider the sharp interface limit of the Allen-Cahn equation with Dirichlet or dynamic boundary conditions and give a varifold characterization of its limit which is formally a mean curvature flow with Dirichlet or dynamic boundary…

Analysis of PDEs · Mathematics 2020-12-29 Yoshikazu Giga , Fumihiko Onoue , Keisuke Takasao
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