activity
20102026
most citedStability of Calabi flow near an extremal metric

14 citations · 95 across the 20 of their papers we have counts for

collaborators

22 papers

math.DG2026

Global estimate for complex Monge--Ampère equations on compact Kähler manifolds

Haozhao Li, Bing Wang, Kai Zheng

In this paper, we prove a global estimate for the complex Monge--Ampère equation with a positive right-hand side on a compact Kähler manifold.

math.DG2026

Long-time existence of the Calabi flow on Kähler surfaces with bounded Sobolev constants

Haozhao Li, Bing Wang, Kai Zheng

We prove that the Calabi flow extends past any finite time on compact Kähler surfaces if its Sobolev constants remain uniformly bounded. Moreover, we show the long-time existence o…

math.DG2026

On the structure of complete -solitons

Haozhao Li, Yuanqing Ma, Kai Zheng

In this work, we establish compactness and regularity results for complete gradient Laplacian solitons of closed -structures. Under a lower scalar-curvature bound and a distan…

math.DG2023★ 2 cited

Hermitian Calabi functional in complexified orbits

Jie He, Kai Zheng

Let be a compact symplectic manifold. We denote by $\ac$ the space of all almost complex structure compatible with . $\ac$ has a natural foliation structure with the com…

math.DG2022

The Space of Closed -Structures. I. Connections

Pengfei Xu, Kai Zheng

In this article, we develop foundational theory for geometries of the space of closed -structures in a given cohomology class as an infinite-dimensional manifold. We introduce…

math.DG2022★ 1 cited

Singular scalar curvature equations

Kai Zheng

We develop estimates for the equation of scalar curvature of singular metrics with cone angle , in a big and semi-positive cohomology class on a Kähler manifold. We further de…

math.DG2021★ 1 cited

On uniform log -stability for constant scalar curvature Kähler cone metrics

Takahiro Aoi, Yoshinori Hashimoto, Kai Zheng

We prove that the existence of constant scalar curvature Kähler metrics with cone singularities along a divisor implies log -polystability and -uniform log -stability, whe…

math.DG2018★ 3 cited

Conic singularities metrics with prescribed scalar curvature: a priori estimates for normal crossing divisors

Long Li, Jian Wang, Kai Zheng

The purpose of this paper is to prove the a priori estimates for constant scalar curvature Kaehler metrics with conic singularities along normal crossing divisors. The zero order…

math.DG2018★ 5 cited

Existence of constant scalar curvature Kaehler cone metrics, properness and geodesic stability

Kai Zheng

We show that the existence of constant scalar curvature Kähler (cscK) metrics with cone singularities is equivalent to the properness of log -energy. We also prove their equival…

math.DG2017★ 5 cited

Geodesics in the space of Kahler cone metrics, II. Uniqueness of constant scalar curvature Kahler cone metrics

Kai Zheng

This is a continuation of the previous articles on Kahler cone metrics. In this article, we introduce weighted function spaces and provide a self-contained treatment on cone angles…

math.DG2017★ 6 cited

Construction of constant scalar curvature Kähler cone metrics

Julien Keller, Kai Zheng

Over a compact Kähler manifold, we provide a Fredholm alternative result for the Lichnerowicz operator associated to a Kähler metric with conic singularities along a divisor. We de…

math.AP2016★ 6 cited

Expansion formula for complex Monge-Ampère equation along cone singularities

Hao Yin, Kai Zheng

In this paper, we prove the asymptotic expansion of the solutions to some singular complex Monge-Ampère equation which arise naturally in the study of the conical Kähler-Einstein m…

math.DG2016★ 8 cited

Uniqueness of constant scalar curvature Kähler metrics with cone singularities, I: Reductivity

Long Li, Kai Zheng

The aim of this paper is to investigate uniqueness of conic constant scalar curvature Kaehler (cscK) metrics, when the cone angle is less than . We introduce a new Hölder space…

math.DG2015★ 4 cited

Generalized Matsushima's theorem and Kähler-Einstein cone metrics

Long Li, Kai Zheng

In this paper, we prove Matsushima's theorem for Kähler-Einstein metrics on a Fano manifold with cone singularities along a smooth divisor that is not necessarily proportional to t…

math.DG2015★ 9 cited

Regularity scales and convergence of the Calabi flow

Haozhao Li, Bing Wang, Kai Zheng

We define regularity scales to study the behavior of the Calabi flow. Based on estimates of the regularity scales, we obtain convergence theorems of the Calabi flow on extremal Kah…

math.AP2014★ 8 cited

-properness of Mabuchi's -energy

Kai Zheng

Over the space of Kähler metrics associated to a fixed Kähler class, we first prove the lower bound of the energy functional , then we provide the criterions of the geo…

math.DG2014★ 6 cited

On the geodesic problem for the Dirichlet metric and the Ebin metric on the space of Sasakian metrics

Simone Calamai, David Petrecca, Kai Zheng

We study the geodesic equation for the Dirichlet (gradient) metric in the space of Kaehler potentials. We first solve the initial value problem for the geodesic equation of the com…

math.DG2013★ 4 cited

Kähler non-collapsing, eigenvalues and the Calabi flow

Haozhao Li, Kai Zheng

We first proved a compactness theorem of the Kähler metrics, which confirms a prediction of Chen. Then we prove several eigenvalue estimates along the Calabi flow. Combining the co…

math.DG2012★ 3 cited

The Dirichlet and the weighted metrics for the space of Kahler metrics

Simone Calamai, Kai Zheng

In this work we study the intrinsic geometry of the space of Kahler metrics under various Riemannian metrics. The first part is on the Dirichlet metric. We motivate its study, we c…

math.DG2010★ 14 cited

Stability of Calabi flow near an extremal metric

Hongnian Huang, Kai Zheng

We prove that on a Kähler manifold admitting an extremal metric and for any Kähler potential close to , the Calabi flow starting at exists for all time and the m…

math.DG2010★ 4 cited

Stability of Kähler-Ricci flow in the space of Kähler metrics

Kai Zheng

In this paper, we prove that on a Fano manifold which admits a Kähler-Ricci soliton $(\om,X)$, if the initial Kähler metric $\om_{\vphi_0}$ is close to $\om$ in some weak sense…

math.DG2010★ 6 cited

Pseudo-Calabi Flow

Xiuxiong Chen, Kai Zheng

We first define Pseudo-Calabi flow, as {equation*} {{aligned}{{\partial φ}\over {\partial t}}&= -f(φ), \triangle_varphi f(φ) &= S(φ) - \ul S.{aligned}. \end{equation*} Then we prov…