English
Related papers

Related papers: Infinite-time singularity type of the K\"ahler-Ric…

200 papers

On a compact K\"ahler manifold with semi-ample canonical line bundle and Kodaira dimension one, we observe a relation between the infinite-time singularity type of the K\"ahler-Ricci flow and the characteristic indexes of singular fibers of…

Differential Geometry · Mathematics 2019-02-25 Yashan Zhang

In this paper, we show that the singularity type of solutions to the K\"aher-Ricci flow on a numerically effective manifold does not depend on the initial metric. More precisely if there exists a type III solution to the K\"ahler-Ricci…

Differential Geometry · Mathematics 2025-01-29 Hosea Wondo , Zhou Zhang

We study the long-time behavior of the Kahler-Ricci flow on compact Kahler manifolds. We give an almost complete classification of the singularity type of the flow at infinity, depending only on the underlying complex structure. If the…

Differential Geometry · Mathematics 2017-01-03 Valentino Tosatti , Yuguang Zhang

We show that any non-collapsed finite time singularity of the Ricci flow on a compact K\"ahler surface is of Type I. Combined with a previous result of the first author, Cifarelli, and Deruelle, it follows that any such singularity is…

Differential Geometry · Mathematics 2025-06-23 Ronan J. Conlon , Max Hallgren , Zilu Ma

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

We study the K\"ahler-Ricci flow on compact K\"ahler manifolds whose canonical bundle is big. We show that the normalized K\"ahler-Ricci flow has long time existence in the viscosity sense, is continuous in a Zariski open set, and converges…

Complex Variables · Mathematics 2023-11-14 Tat Dat Tô

We consider the K\"ahler-Ricci flow $(X, \omega(t))_{t \in [0,T)}$ on a compact manifold where the time of singularity, $T$, is finite. We assume the existence of a holomorphic map from the K\"ahler manifold $X$ to some analytic variety $Y$…

Differential Geometry · Mathematics 2025-12-29 Alexander Bednarek

We extend some results known for the K\"ahler-Ricci flow to the Chern-Ricci flow regarding the independence of singularity types for long-time solutions. Specifically, we show that if a solution to the Chern-Ricci flow exists with uniformly…

Differential Geometry · Mathematics 2024-08-26 Hosea Wondo

In this note we propose to show that the K\"ahler-Ricci flow fits naturally within the context of the Minimal Model Program for projective varieties. In particular we show that the flow detects, in finite time, the contraction theorem of…

Algebraic Geometry · Mathematics 2007-05-23 Paolo Cascini , Gabriele La Nave

In this paper, we study the Ricci flow on CP1-bundles over a product of K\"ahler-Einstein manifolds whose initial metric is constructed by the ansatz used in works by M. Wang et. al. We prove that the ansatz is preserved along the Ricci…

Differential Geometry · Mathematics 2026-01-28 Frederick Tsz-Ho Fong , Hung Tran

We prove that, under a semi-ampleness type assumption on the twisted canonical line bundle, the conical K\"ahler-Ricci flow on a minimal elliptic K\"ahler surface converges in the sense of currents to a generalized conical K\"ahler-Einstein…

Differential Geometry · Mathematics 2017-08-14 Yashan Zhang

In this paper, we prove that any solution of K\"ahler-Ricci flow on a Fano compactification $M$ of semisimple complex Lie group, is of type II, if $M$ admits no K\"ahler-Einstein metrics. As an application, we found two Fano…

Differential Geometry · Mathematics 2021-12-23 Yan Li , Gang Tian , Xiaohua Zhu

Starting with a model conical K\"ahler metric, we prove a uniform scalar curvature bound for solutions to the conical K\"ahler-Ricci flow assuming a semi-ampleness type condition on the twisted canonical bundle. In the proof, we also…

Differential Geometry · Mathematics 2015-05-11 Gregory Edwards

In this paper, by limiting twisted conical K\"ahler-Ricci flows, we prove the long-time existence and uniqueness of cusp K\"ahler-Ricci flow on compact K\"ahler manifold $M$ which carries a smooth hypersurface $D$ such that the twisted…

Differential Geometry · Mathematics 2017-05-16 Jiawei Liu , Xi Zhang

We study the local curvature estimates of long-time solutions to the normalized K\"ahler-Ricci flow on compact K\"ahler manifolds with semi-ample canonical line bundles. Using these estimates, we prove that on such a manifold, the set of…

Differential Geometry · Mathematics 2020-09-29 Frederick Tsz-Ho Fong , Yashan Zhang

We study the K\"ahler-Ricci flow on a class of projective bundles $\mathbb{P}(\mathcal{O}_\Sigma \oplus L)$ over compact K\"ahler-Einstein manifold $\Sigma^n$. Assuming the initial K\"ahler metric $\omega_0$ admits a U(1)-invariant momentum…

Differential Geometry · Mathematics 2014-01-21 Frederick Tsz-Ho Fong

We consider the K\"ahler-Ricci flow on compact K\"ahler manifolds with semiample canonical bundle and intermediate Kodaira dimension, and show that the flow collapses to a canonical metric on the base of the Iitaka fibration in the locally…

Differential Geometry · Mathematics 2025-05-21 Hans-Joachim Hein , Man-Chun Lee , Valentino Tosatti

We consider the K\"ahler-Ricci flow $\frac{\partial}{\partial t}g_{i\bar{j}} = g_{i\bar{j}} - R_{i\bar{j}}$ on a compact K\"ahler manifold $M$ with $c_1(M) > 0$, of complex dimension $k$. We prove the $\epsilon$-regularity lemma for the…

Differential Geometry · Mathematics 2007-09-24 Natasa Sesum

We consider the general K\"ahler-Ricci flows which exist for all time. The zeroth order control on the flow metric potential for various infinite time singularities is the focus. The possible semi-amplness for numerically effective classes…

Differential Geometry · Mathematics 2015-05-18 Zhou Zhang

We produce complete bounded curvature solutions to K\"ahler-Ricci flow with existence time estimates, assuming only that the initial data is a smooth \K metric uniformly equivalent to another complete bounded curvature \K metric. We obtain…

Differential Geometry · Mathematics 2019-04-09 Albert Chau , Man-Chun Lee
‹ Prev 1 2 3 10 Next ›