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We study the behaviour of the normalized K\"ahler-Ricci flow on complete K\"ahler manifolds of negative holomorphic sectional curvature. We show that the flow exists for all time and converges to a K\"ahler-Einstein metric of negative…

Differential Geometry · Mathematics 2018-05-10 Freid Tong

In this paper, we propose a method of studying the modified Kahler-Ricci flow on projective bundles and give the explicit equation from the view point of symplectic geometry.

Differential Geometry · Mathematics 2015-07-31 Ryosuke Takahashi

We study singularity formation of K\"ahler-Ricci flow on a K\"ahler manifold that admits a horizontally homothetic conformal submersion into another K\"ahler manifold. We will derive necessary and sufficient conditions for the preservation…

Differential Geometry · Mathematics 2023-01-31 Hoan Nguyen

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

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 produce longtime solutions to the K\"ahler-Ricci flow for complete K\"ahler metrics on $\Bbb C ^n$ without assuming the initial metric has bounded curvature, thus extending results in [3]. We prove the existence of a longtime bounded…

Differential Geometry · Mathematics 2015-08-14 Albert Chau , Ka-Fai Li , Luen-Fai Tam

We show that on smooth minimal surfaces of general type, the K\"ahler-Ricci flow starting at any initial K\"ahler metric converges in the Gromov-Hausdorff sense to a K\"ahler-Einstein orbifold surface. In particular, the diameter of the…

Differential Geometry · Mathematics 2018-12-14 Bin Guo , Jian Song , Ben Weinkove

In this short note we announce a regularity theorem for K\"ahler-Ricci flow on a compact Fano manifold (K\"ahler manifold with positive first Chern class) and its application to the limiting behavior of K\"ahler-Ricci flow on Fano…

Differential Geometry · Mathematics 2013-04-10 Gang Tian , Zhenlei Zhang

We investigate the scalar curvature behavior along the normalized conical K\"ahler-Ricci flow $\omega_t$, which is the conic version of the normalized K\"ahler-Ricci flow, with finite maximal existence time $T<\infty $. We prove that the…

Differential Geometry · Mathematics 2018-02-16 Ryosuke Nomura

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

We study the generalized K\"ahler-Ricci flow with initial data of symplectic type, and show that this condition is preserved. In the case of a Fano background with toric symmetry, we establish global existence of the normalized flow. We…

Differential Geometry · Mathematics 2022-01-07 Vestislav Apostolov , Jeffrey Streets , Yury Ustinovskiy

In this paper, we prove that the $L^4$-norm of Ricci curvature is uniformly bounded along a K\"ahler-Ricci flow on any minimal algebraic manifold. As an application, we show that on any minimal algebraic manifold $M$ of general type and…

Differential Geometry · Mathematics 2015-05-06 Gang Tian , Zhenlei Zhang

We show that the scalar curvature is uniformly bounded for the normalized Kahler-Ricci flow on a Kahler manifold with semi-ample canonical bundle. In particular, the normalized Kahler-Ricci flow has long time existence if and only if the…

Differential Geometry · Mathematics 2011-11-28 Jian Song , Gang Tian

We establish the existence of K\"ahler-Ricci flow on pseudoconvex domains with general initial metric without curvature bounds. Moreover we prove that this flow is simultaneously complete, and its normalized version converge to the complete…

Differential Geometry · Mathematics 2018-03-28 Huabin Ge , Aijin Lin , Liangming Shen

We investigate the case of the Kahler-Ricci flow blowing down disjoint exceptional divisors with normal bundle O(-k) to orbifold points. We prove smooth convergence outside the exceptional divisors and global Gromov-Hausdorff convergence.…

Differential Geometry · Mathematics 2018-12-14 Jian Song , Ben Weinkove

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 generalize the maximal time existence of K\"{a}hler-Ricci flow in Tian-Zhang and Song-Tian to conical case. Furthermore, if the twisted canonical bundle $K_{M}+(1-\beta)[D]$ is big or big and nef, we can expect more on the limit…

Differential Geometry · Mathematics 2014-11-27 Liangming Shen

In this note, we show that the conical K\"ahler-Ricci flows introduced in \cite{CYW} exist for all time $t\in [0,\infty)$ in the weak sense. As a key ingredient of the proof, we show that a conical K\"ahler-Ricci flow is actually the limit…

Differential Geometry · Mathematics 2016-05-10 Yuanqi Wang

In this paper, we prove that on a Fano manifold $M$ which admits a K\"ahler-Ricci soliton $(\om,X)$, if the initial K\"ahler metric $\om_{\vphi_0}$ is close to $\om$ in some weak sense, then the weak K\"ahler-Ricci flow exists globally and…

Differential Geometry · Mathematics 2011-06-06 Kai Zheng

In this work, we study the H\"older regularity of the K\"ahler- Ricci flow on compact K\"ahler manifolds with semi-ample canonical line bundle. By adapting the method in the work of Hein-Tosatti on collapsing Calabi-Yau metrics, we…

Differential Geometry · Mathematics 2021-05-05 Jianchun Chu , Man-Chun Lee