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We consider the Kaehler-Ricci flow on complete finite-volume metrics that live on the complement of a divisor in a compact Kaehler manifold X. Assuming certain spatial asymptotics on the initial metric, we compute the singularity time in…

Differential Geometry · Mathematics 2019-12-19 John Lott , Zhou Zhang

In this paper, we establish several sufficient and necessary conditions for the convergence of a K\"ahler-Ricci flow, on a K\"ahler manifold with positive first Chern class, to a K\"ahler-Einstein metric (or a shrinking K\"ahler-Ricci…

Differential Geometry · Mathematics 2010-11-09 Zhenlei Zhang

In this paper we survey the recent developments of the Ricci flows on complete noncompact K\"{a}hler manifolds and their applications in geometry.

Differential Geometry · Mathematics 2007-05-23 Xi-Ping Zhu

We study the Ricci flow on complete Kaehler metrics that live on the complement of a divisor in a compact complex manifold. In earlier work, we considered finite-volume metrics which, at spatial infinity, are transversely hyperbolic. In…

Differential Geometry · Mathematics 2016-06-14 John Lott , Zhou Zhang

In this paper, we consider $n$-dimensional compact K$\ddot{a}$hler manifold with semi-ample canonical line bundle under the long time solution of K$\ddot{a}$hler Ricci Flow. In particular, if the Kodaira dimension is one, Ricci curvature…

Differential Geometry · Mathematics 2026-02-23 Cheuk Yan Fung

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

In this note, we prove that on an $n$-dimensional compact toric manifold with positive first Chern class, the K\"ahler-Ricci flow with any initial $(S^1)^n$-invariant K\"ahler metric converges to a K\"ahler-Ricci soliton. In particular, we…

Differential Geometry · Mathematics 2007-05-23 Xiaohua Zhu

In this paper we study a generalization of the Kahler-Ricci flow, in which the Ricci form is twisted by a closed, non-negative (1,1)-form. We show that when a twisted Kahler-Einstein metric exists, then this twisted flow converges…

Differential Geometry · Mathematics 2012-11-07 Tristan C. Collins , Gábor Székelyhidi

We consider the Ricci flow for simply connected nilmanifolds, which translates to a Ricci flow on the space of nilpotent metric Lie algebras. We consider the evolution of the inner product and the evolution of structure constants, as well…

Differential Geometry · Mathematics 2008-12-12 Tracy L. Payne

The Chern-Ricci flow is an evolution equation of Hermitian metrics by their Chern-Ricci form, first introduced by Gill. Building on our previous work, we investigate this flow on complex surfaces. We establish new estimates in the case of…

Differential Geometry · Mathematics 2019-02-20 Valentino Tosatti , Ben Weinkove

The geometric evolution equations provide new ways to address a variety of non-linear problems in Riemannian geometry, and, at the same time, they enjoy numerous physical applications, most notably within the renormalization group analysis…

High Energy Physics - Theory · Physics 2007-05-23 I. Bakas

In this note, we provide some general discussion on the two main versions in the study of Kahler-Ricci flows over closed manifolds, aiming at smooth convergence to the corresponding Kahler-Einstein metrics with assumptions on the volume…

Differential Geometry · Mathematics 2014-07-24 Zhou Zhang

We prove the existence and uniqueness of the weak Kahler-Ricci flow on projective varieties with log terminal singularities. It is also shown that the weak Kahler-Ricci flow can be uniquely continued through divisorial contractions and…

Differential Geometry · Mathematics 2009-09-29 Jian Song , Gang Tian

For all complex dimensions n>=2, we construct complete Kaehler manifolds of bounded curvature and non-negative Ricci curvature whose Kaehler--Ricci evolutions immediately acquire Ricci curvature of mixed sign.

Differential Geometry · Mathematics 2007-05-23 Dan Knopf

We give a global picture of the Ricci flow on the space of three-dimensional, unimodular, nonabelian metric Lie algebras considered up to isometry and scaling. The Ricci flow is viewed as a two-dimensional dynamical system for the evolution…

Differential Geometry · Mathematics 2015-10-22 David Glickenstein , Tracy L. Payne

This paper is devoted to a deep analysis of the process known as Cheeger deformation, applied to manifolds with isometric group actions. Here, we provide new curvature estimates near singular orbits and present several applications. As the…

Differential Geometry · Mathematics 2023-02-02 Leonardo F. Cavenaghi , Renato J. M. e Silva , Llohann D. Sperança

Let X be a complex manifold fibered over the base S and let L be a relatively ample line bundle over X. We define relative Kahler-Ricci flows on the space of all Hermitian metrics on L with relatively positive curvature. Mainly three…

Differential Geometry · Mathematics 2011-02-02 Robert J. Berman

We investigate the Kahler-Ricci flow on holomorphic fiber spaces whose generic fiber is a Calabi-Yau manifold. We establish uniform metric convergence to a metric on the base, away from the singular fibers, and show that the rescaled…

Differential Geometry · Mathematics 2018-05-17 Valentino Tosatti , Ben Weinkove , Xiaokui Yang

We establish a 1-to-1 relation between metrics on compact Riemann surfaces without boundary, and mechanical systems having those surfaces as configuration spaces.

High Energy Physics - Theory · Physics 2010-02-10 S. Abraham , P. Fernandez de Cordoba , J. M. Isidro , J. L. G. Santander

There is a common description of different intrinsic geometric flows in two dimensions using Toda field equations associated to continual Lie algebras that incorporate the deformation variable t into their system. The Ricci flow admits zero…

High Energy Physics - Theory · Physics 2009-11-11 I. Bakas