English
Related papers

Related papers: 2-Dimensional Combinatorial Calabi Flow in Hyperbo…

200 papers

Inversive distance circle packings introduced by Bowers-Stephenson are natural generalizations of Thurston's circle packings on surfaces. To find piecewise Euclidean metrics on surfaces with prescribed combinatorial curvatures, we introduce…

Differential Geometry · Mathematics 2023-08-07 Xu Xu , Chao Zheng

This paper investigates the combinatorial $\alpha$-curvature for vertex scaling of piecewise hyperbolic metrics on polyhedral surfaces, which is a parameterized generalization of the classical combinatorial curvature. A discrete…

Geometric Topology · Mathematics 2021-10-05 Xu Xu , Chao Zheng

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…

Differential Geometry · Mathematics 2018-06-08 Lucio Bedulli , Luigi Vezzoni

We first define Pseudo-Calabi flow, as {equation*} {{aligned}{{\partial \varphi}\over {\partial t}}&= -f(\varphi), \triangle_varphi f(\varphi) &= S(\varphi) - \ul S.{aligned}. \end{equation*} Then we prove the well-posedness of this flow…

Differential Geometry · Mathematics 2013-03-12 Xiuxiong Chen , Kai Zheng

Since the fundamental work of Chow-Luo \cite{CL03}, Ge \cite{Ge12,Ge17} et al., the combinatorial curvature flow methods became a basic technique in the study of circle pattern theory. In this paper, we investigate the combinatorial Ricci…

Geometric Topology · Mathematics 2025-05-15 Chang Li , Yangxiang Lu , Hao Yu

A combinatorial version of Yamabe flow is presented based on Euclidean triangulations coming from sphere packings. The evolution of curvature is then derived and shown to satisfy a heat equation. The Laplacian in the heat equation is shown…

Metric Geometry · Mathematics 2007-05-23 David Glickenstein

In this paper we continue our study of finding the curvature flow of complete hypersurfaces in hyperbolic space with a prescribed asymptotic boundary at infinity. Our main results are proved by deriving a priori global gradient estimates…

Differential Geometry · Mathematics 2011-10-14 Ling Xiao

This paper studies minimal surface entropy (the exponential asymptotic growth of the number of minimal surfaces up to a given value of area) for negatively curved metrics on hyperbolic $3$-manifolds of finite volume, particularly its…

Differential Geometry · Mathematics 2025-09-03 Ruojing Jiang , Franco Vargas Pallete

In this paper we investigate the convergence for the mean curvature flow of closed submanifolds with arbitrary codimension in space forms. Particularly, we prove that the mean curvature flow deforms a closed submanifold satisfying a…

Differential Geometry · Mathematics 2011-05-31 Kefeng Liu , Hongwei Xu , Fei Ye , Entao Zhao

We introduce the shifted inverse curvature flow in hyperbolic space. This is a family of hypersurfaces in hyperbolic space expanding by $F^{-p}$ with positive power $p$ for a smooth, symmetric, strictly increasing and $1$-homogeneous…

Differential Geometry · Mathematics 2023-02-03 Xianfeng Wang , Yong Wei , Tailong Zhou

We prove global existence of instantaneously complete Yamabe flows on hyperbolic space of arbitrary dimension $m\geq3$. The initial metric is assumed to be conformally hyperbolic with conformal factor and scalar curvature bounded from…

Analysis of PDEs · Mathematics 2019-11-01 Mario B. Schulz

This note revisits the inverse mean curvature flow in the 3-dimensional hyperbolic space. In particular, we show that the limiting shape is not necessarily round after scaling, thus resolving an inconsistency in the literature.

Differential Geometry · Mathematics 2014-09-09 Pei-Ken Hung , Mu-Tao Wang

In this paper, we introduce discrete Calabi flow to the graphics research community and present a novel conformal mesh parameterization algorithm. Calabi energy has a succinct and explicit format. Its corresponding flow is conformal and…

Graphics · Computer Science 2018-07-24 Hui Zhao , Xuan Li , Huabin Ge , Xianfeng Gu , Na Lei

We investigate the existence, convergence and uniqueness of modified general curvature flow of convex hypersurfaces in hyperbolic space with a prescribed asymptotic boundary.

Differential Geometry · Mathematics 2011-06-23 Ling Xiao

We first give a precise statement on the short time existence of the Calabi flow and prove a stability result: any metric near a constant scalar curvature metric will flow to this cscK metric exponentially fast. Secondly, we prove that a…

Differential Geometry · Mathematics 2011-11-09 Xiuxiong Chen , Weiyong He

We consider inverse curvature flows in hyperbolic space with starshaped initial hypersurface, driven by positive powers of a homogeneous curvature function. The solutions exist for all time and, after rescaling, converge to a sphere.

Differential Geometry · Mathematics 2015-05-21 Julian Scheuer

We show that on Kahler manifolds M with c_1(M)=0 the Calabi flow converges to a constant scalar curvature metric if the initial Calabi energy is sufficiently small. We prove a similar result on manifolds with c_1(M)<0 if the Kahler class is…

Differential Geometry · Mathematics 2014-01-21 Valentino Tosatti , Ben Weinkove

We consider classical curvature flows: 1-parameter families of convex embeddings of the 2-sphere into Euclidean 3-space which evolve by an arbitrary (non-homogeneous) function of the radii of curvature. The associated flow of the radii of…

Differential Geometry · Mathematics 2020-07-14 Brendan Guilfoyle , Wilhelm Klingenberg

In this short note, we show that the negative curvature is preserved in the deformation of hyperbolic warped product metrics under Ricci flow. It is also showed that the flow converges to a flat metric as time going to infinity.

Differential Geometry · Mathematics 2007-09-12 Li Ma , Xingwang Xu

In this paper, we introduce combinatorial Ricci flows (CRFs in short) in Euclidean and hyperbolic background geometries on infinite triangulations of the open disk, which are discrete analogs of Ricci flows on simply connected open…

Geometric Topology · Mathematics 2025-04-09 Huabin Ge , Bobo Hua , Puchun Zhou