English
Related papers

Related papers: Perelman's W-functional and stability of K\"ahler-…

200 papers

The limiting behavior of the normalized K\"ahler-Ricci flow for manifolds with positive first Chern class is examined under certain stability conditions. First, it is shown that if the Mabuchi K-energy is bounded from below, then the scalar…

Differential Geometry · Mathematics 2018-12-20 D. H. Phong , Jian Song , Jacob Sturm , Ben Weinkove

We improve the understanding of both finite time and infinite time singularities of the modified K\"ahler-Ricci flow as initiated by the second author of this paper in [26]. This is done by relating the modified K\"ahler-Ricci flow with the…

Differential Geometry · Mathematics 2022-10-20 Haotian Wu , Zhou Zhang

We investigate the K\"ahler-Ricci flow modified by a holomorphic vector field. We find equivalent analytic criteria for the convergence of the flow to a K\"ahler-Ricci soliton. In addition, we relate the asymptotic behavior of the scalar…

Differential Geometry · Mathematics 2018-12-20 D. H. Phong , Jian Song , Jacob Sturm , Ben Weinkove

We consider dynamical stability for a modified Ricci flow equation whose stationary solutions include Einstein and Ricci soliton metrics. Our focus is on homogeneous metrics on non-compact manifolds. Following the program of Guenther,…

Differential Geometry · Mathematics 2014-09-11 Michael Bradford Williams , Haotian Wu

We first proved a compactness theorem of the K\"ahler metrics, which confirms a prediction of Chen. Then we prove several eigenvalue estimates along the Calabi flow. Combining the compactness theorem and these eigenvalue estimates, we…

Differential Geometry · Mathematics 2014-12-31 Haozhao Li , Kai Zheng

We prove dynamical stability and instability theorems for compact Einstein metrics under the Ricci flow. We give a nearly complete charactarization of dynamical stability and instability in terms of the conformal Yamabe invariant and the…

Differential Geometry · Mathematics 2020-07-20 Klaus Kroencke

We prove dynamical stability and instability theorems for asymptotically hyperbolic static solutions of Einstein's equation with $\Lambda<0$, viewed as self-similar solutions of the Ricci-harmonic flow. More precisely, we show that static…

Differential Geometry · Mathematics 2026-04-27 Rasmus Jouttijärvi , Klaus Kroencke , Louis Yudowitz

In this paper, we construct a set of new functionals of Ricci curvature on any Kaehler manifolds which are invariant under holomorphic transfermations in Kaehler Einstein manifolds and essentially decreasing under the Kaehler Ricci flow.…

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

In this paper, we prove the existence of a Kahler Ricci soliton on any smooth Fano horospherical manifold by a study of the Kahler-Ricci flow. Indeed, we prove that the renormalized Kahler Ricci flow converges in the sense of Cheeger Gromov…

Differential Geometry · Mathematics 2019-07-17 François Delgove

In this paper we present a major application of the l-function and the reduced volume of Perelman, namely their application to the analysis of the asymptotical limits of kappa solutions of the Ricci flow.

Differential Geometry · Mathematics 2007-05-23 Rugang Ye

This is the first of a series of papers on the long-time behavior of 3 dimensional Ricci flows with surgery. In this paper we first fix a notion of Ricci flows with surgery, which will be used in this and the following three papers. Then we…

Differential Geometry · Mathematics 2018-03-16 Richard H. Bamler

This paper is devoted to the study of nonlinear stability of steady incompressible Euler flows in two dimensions. We prove that a steady Euler flow is nonlinearly stable in $L^p$ norm of the vorticity if its stream function is a semistable…

Analysis of PDEs · Mathematics 2021-10-18 Guodong Wang

We provide a short proof of the $L^2$-orbital stability of a class of explicit steady Euler flows in a disk by establishing a quantitative estimate. The main idea is to exploit the conserved quantities of the Euler equation, including the…

Analysis of PDEs · Mathematics 2025-10-17 Fatao Wang , Guodong Wang

In this article, we thoroughly investigate the stability inequality for Ricci-flat cones. Perhaps most importantly, we prove that the Ricci-flat cone over CP^2 is stable, showing that the first stable non-flat Ricci-flat cone occurs in the…

Differential Geometry · Mathematics 2011-11-22 Stuart Hall , Robert Haslhofer , Michael Siepmann

We complement a recent work on the stability of fixed points of the CMC-Einstein-$\Lambda$ flow. In particular, we modify the utilized gauge for the Einstein equations and remove a restriction on the fixed points whose stability we are able…

General Relativity and Quantum Cosmology · Physics 2018-09-10 David Fajman , Klaus Kroencke

We define a functional for Hermitian metrics using the curvature of the Chern connection. The Euler-Lagrange equation for this functional is an elliptic equation for Hermitian metrics. Solutions to this equation are related to…

Differential Geometry · Mathematics 2009-01-26 Jeffrey Streets , Gang Tian

In this paper, we investigate steady Euler flows in a two-dimensional bounded domain. By an adaption of the vorticity method, we prove that for any nonconstant harmonic function $q$, which corresponds to a nontrivial irrotational flow,…

Analysis of PDEs · Mathematics 2019-10-16 Daomin Cao , Guodong Wang , Zhan Weicheng

We provide a comparatively simple proof of the dynamical stability of Ricci flow near a linearly stable Ricci-flat ALE metric with integrable deformations. Our proof relies on the equivalence between integrability and an…

Differential Geometry · Mathematics 2026-04-17 Maxwell Stolarski , Alex Waldron

These notes are based on a lecture series given at the Park City Math Institute in the summer of 2013. The notes are intended as a leisurely introduction to the K\"ahler-Ricci flow on compact K\"ahler manifolds, aimed at graduate students…

Differential Geometry · Mathematics 2018-12-14 Ben Weinkove

In the first part of this short article, we define a renormalized F-functional for perturbations of non-compact steady Ricci solitons. This functional motivates a stability inequality which plays an important role in questions concerning…

Differential Geometry · Mathematics 2011-08-25 Robert Haslhofer