中文
相关论文

相关论文: The hyperbolic geometric flow on Riemann surfaces

200 篇论文

In this paper, we study flows of hypersurfaces in hyperbolic space, and apply them to prove geometric inequalities. In the first part of the paper, we consider volume preserving flows by a family of curvature functions including positive…

微分几何 · 数学 2025-08-28 Ben Andrews , Xuzhong Chen , Yong Wei

We introduce a variation of the classical Ricci flow equation that modifies the unit volume constraint of that equation to a scalar curvature constraint. The resulting equations are named the Conformal Ricci Flow Equations because of the…

微分几何 · 数学 2009-11-10 Arthur E. Fischer

We are concerned with underlying connections between fluids, elasticity, isometric embedding of Riemannian manifolds, and the existence of wrinkled solutions of the associated nonlinear partial differential equations. In this paper, we…

偏微分方程分析 · 数学 2017-08-29 Amit Acharya , Gui-Qiang Chen , Siran Li , Marshall Slemrod , Dehua Wang

We construct a rotationally invariant Ricci flow through surgery starting at any closed rotationally invariant Riemannian manifold. We demonstrate that a sequence of such Ricci flows with surgery converges to a Ricci flow spacetime in the…

微分几何 · 数学 2022-01-28 Timothy Buttsworth , Maximilien Hallgren , Yongjia Zhang

In this paper, we announce the following results: Let M be a Kaehler-Einstein manifold with positive scalar curvature. If the initial metric has nonnegative bisectional curvature and positive at least at one point, then the K\"ahler-Ricci…

微分几何 · 数学 2009-10-31 Xiuxiong Chen , Gang Tian

We show the existence of a global unique and analytic solution for the mean curvature flow, the surface diffusion flow and the Willmore flow of entire graphs for Lipschitz initial data with small Lipschitz norm. We also show the existence…

微分几何 · 数学 2011-04-04 Herbert Koch , Tobias Lamm

We develop a theory of Ricci flow for metrics on Courant algebroids which unifies and extends the analytic theory of various geometric flows, yielding a general tool for constructing solutions to supergravity equations. We prove short time…

微分几何 · 数学 2024-02-20 Jeffrey Streets , Charles Strickland-Constable , Fridrich Valach

B List has proposed a geometric flow whose fixed points correspond to solutions of the static Einstein equations of general relativity. This flow is now known to be a certain Hamilton-DeTurck flow (the pullback of a Ricci flow by an…

微分几何 · 数学 2011-03-03 L. Gulcev , T. A. Oliynyk , E. Woolgar

This paper demonstrates existence for all time of mean curvature flow in Minkowski space with a perpendicular Neumann boundary condition, where the boundary manifold is a convex cone and the flowing manifold is initially spacelike. Using a…

微分几何 · 数学 2018-12-14 Ben Lambert

Identifying any conformally round metric on the $2$-sphere with a unique cross section on the standard lightcone in the $3+1$-Minkowski spacetime, we gain a new perspective on $2d$-Ricci flow on topological spheres. It turns out that in…

微分几何 · 数学 2023-01-30 Markus Wolff

We study the length-preserving elastic flow of curves in arbitrary codimension with free boundary on hypersurfaces. This constrained gradient flow is given by a nonlocal evolution equation with nonlinear higher-order boundary conditions. We…

偏微分方程分析 · 数学 2025-03-18 Anna Dall'Acqua , Manuel Schlierf

In this paper we prove that given a smoothly conformally compact metric there is a short-time solution to the Ricci flow that remains smoothly conformally compact. We adapt recent results of Schn\"urer, Schulze and Simon to prove a…

偏微分方程分析 · 数学 2015-05-20 Eric Bahuaud

This paper studies the normalized Ricci flow from a slight perturbation of the hyperbolic metric on $\mathbb H^n$. It's proved that if the perturbation is small and decays sufficiently fast at the infinity, then the flow will converge…

微分几何 · 数学 2009-07-01 Haozhao Li , Hao Yin

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

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…

微分几何 · 数学 2019-02-26 Maria Athanassenas , Sevvandi Kandanaarachchi

This work introduces the G$_2$-Ricci flow on seven-dimensional manifolds with non-zero torsion and explores its physical implications. By extending the Ricci flow to manifolds with G$_2$ structures, we study the evolution of solitonic…

综合物理 · 物理学 2025-06-11 Richard Pinčák , Alexander Pigazzini , Michal Pudlák , Erik Bartoš

We introduce a new geometric flow of Hermitian metrics which evolves an initial metric along the second derivative of the Chern scalar curvature. The flow depends on the choice of a background metric, it always reduces to a scalar equation…

微分几何 · 数学 2018-06-08 Lucio Bedulli , Luigi Vezzoni

We review the main aspects of Ricci flows as they arise in physics and mathematics. In field theory they describe the renormalization group equations of the target space metric of two dimensional sigma models to lowest order in the…

高能物理 - 理论 · 物理学 2009-11-10 Ioannis Bakas

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…

微分几何 · 数学 2007-05-23 Bennett Chow , Richard Hamilton

In an ambient space with rotational symmetry around an axis (which include the Hyperbolic and Euclidean spaces), we study the evolution under the volume-preserving mean curvature flow of a revolution hypersurface M generated by a graph over…

微分几何 · 数学 2008-03-27 Esther Cabezas-Rivas , Vicente Miquel