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Related papers: Uniqueness of Instantaneously Complete Ricci flows

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In this note we clarify that the Rcci flow can be used to give an independent proof of the uniformization theorem of Riemann surfaces.

Differential Geometry · Mathematics 2007-05-23 Xiuxiong Chen , Peng Lu , Gang Tian

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 present two new conditions to extend the Ricci flow on a compact manifold over a finite time, which are improvements of some known extension theorems.

Differential Geometry · Mathematics 2012-07-17 Fei He

We prove long-time existence of the Ricci flow starting from complete manifolds with bounded curvature and scale-invariant integral curvature sufficiently pinched with respect to the inverse of its Sobolev constant. Moreover, if the…

Differential Geometry · Mathematics 2024-03-06 Albert Chau , Adam Martens

In this paper, we study the Ricci flow on a closed manifold and finite time interval $[0,T)~(T < \infty)$ on which certain integral curvature energies are finite. We prove that in dimension four, such flow converges to a smooth Riemannian…

Differential Geometry · Mathematics 2021-11-10 Shota Hamanaka

It is shown by Colding and Minicozzi the uniqueness of the tangent cone at infinity of Ricci-flat manifolds with Euclidean volume growth which has at least one tangent cone at infinity with a smooth cross section. In this article we raise…

Differential Geometry · Mathematics 2018-03-16 Kota Hattori

We develop a refined singularity analysis for the Ricci flow by investigating curvature blow-up rates locally. We first introduce general definitions of Type I and Type II singular points and show that these are indeed the only possible…

Differential Geometry · Mathematics 2022-01-13 Reto Buzano , Gianmichele Di Matteo

We develop a stochastic target representation for Ricci flow and normalized Ricci flow on smooth, compact surfaces, analogous to Soner and Touzi's representation of mean curvature flow. We prove a verification/uniqueness theorem, and then…

Probability · Mathematics 2016-03-31 Robert W. Neel , Ionel Popescu

We revisit the problem of uniqueness for the Ricci flow and give a short, direct proof, based on the consideration of a simple energy quantity, of Hamilton/Chen-Zhu's theorem on the uniqueness of complete solutions of uniformly bounded…

Differential Geometry · Mathematics 2012-06-15 Brett Kotschwar

We establish several quantitative results about singular Ricci flows, including estimates on the curvature and volume, and the set of singular times.

Differential Geometry · Mathematics 2018-11-20 Bruce Kleiner , John Lott

In this article, we study complete Type I ancient Ricci flows with positive sectional curvature. Our main results are as follows: in the complete and noncompact case, all such ancient solutions must be noncollapsed on all scales; in the…

Differential Geometry · Mathematics 2021-02-09 Liang Cheng , Yongjia Zhang

We consider Ricci flow on a closed surface with cone points. The main result is: given a (nonsmooth) cone metric g_0 over a closed surface there is a smooth Ricci flow g(t) defined for (0,T], with curvature unbounded above, such that g(t)…

Differential Geometry · Mathematics 2011-09-27 Daniel Ramos

A fundamental tool in the analysis of Ricci flow is a compactness result of Hamilton in the spirit of the work of Cheeger, Gromov and others. Roughly speaking it allows one to take a sequence of Ricci flows with uniformly bounded curvature…

Differential Geometry · Mathematics 2011-10-18 Peter Topping

In this paper, we consider Ricci flows admitting closed and smooth tangent flows in the sense of Bamler [Bam20c]. The tangent flow in question can be either a tangent flow at infinity for an ancient Ricci flow, or a tangent flow at a…

Differential Geometry · Mathematics 2021-11-15 Pak-Yeung Chan , Zilu Ma , Yongjia Zhang

We present a monotonic expression for the Ricci flow, valid in all dimensions and without curvature assumptions. It is interpreted as an entropy for a certain canonical ensemble. Several geometric applications are given. In particular, (1)…

Differential Geometry · Mathematics 2007-05-23 Grisha Perelman

Here, we study the existence and uniqueness of solutions to the Ricci flow on Finsler surfaces and show short time existence of solutions for such flows. To this purpose, we first study the Finslerian Ricci-DeTurck flow on Finsler surfaces…

Differential Geometry · Mathematics 2018-07-18 Behroz Bidabad , Maral K. Sedaghat

We develop a compactness theory for super Ricci flows, which lays the foundations for the partial regularity theory in [Bam20b]. Our results imply that any sequence of super Ricci flows of the same dimension that is pointed in an…

Differential Geometry · Mathematics 2023-08-16 Richard H Bamler

In this survey we provide an overview of our recent results concerning Ricci de Turck flow on spaces with isolated conical singularities. The crucial characteristic of the flow is that it preserves the conical singularity. Under certain…

Differential Geometry · Mathematics 2021-01-25 Klaus Kroencke , Boris Vertman

This paper investigates the short-time existence and uniqueness of Ricci flow solutions on Finsler manifolds. The main results of this paper are theorems demonstrating the short-time existence of the flow solution for $n$-dimensional…

Differential Geometry · Mathematics 2023-04-07 Behroz Bidabad , Maral K. Sedaghat

We simplify and improve the curvature estimates in the paper: On the conditions to extend Ricci flow(II). Furthermore, we develop some volume estimates for the Ricci flow with bounded scalar curvature. These estimates can be applied to…

Differential Geometry · Mathematics 2011-09-21 Xiuxiong Chen , Bing Wang