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The purpose of this paper is to establish a completely new partial regularity theory on certain homogeneous complex Monge-Ampere equations. Our partial regularity theory will be obtained by studying foliations by holomorphic curves and and…

微分几何 · 数学 2007-05-23 X. X. Chen , G. Tian

We prove a regularity result for Monge-Amp\`ere equations degenerate along smooth divisor on Kaehler manifolds in Donaldson's spaces of $\beta$-weighted functions. We apply this result to study the curvature of Kaehler metrics with conical…

微分几何 · 数学 2019-09-12 Claudio Arezzo , Alberto Della Vedova , Gabriele La Nave

We generalize previous diameter estimates and local non-vanishing of volumes for Kaehler metrics to the case of big cohomology classes. In our proof, among other things, we will prove a uniform diameter estimate for a family of smooth…

微分几何 · 数学 2024-11-01 Duc-Bao Nguyen , Duc-Viet Vu

In this paper we give sufficient conditions on a compact orbifold with an extremal Kaehler metric to admit a resolution with an extremal Kaehler metric. We also complete the Kaehler constant scalar curvature case.

微分几何 · 数学 2015-07-17 Claudio Arezzo , Riccardo Lena , Lorenzo Mazzieri

The aim of this paper is to classify compact, simply connected K\"ahler manifolds which admit totally geodesic, holomorphic complex homothetic foliation by curves.

微分几何 · 数学 2016-02-25 Wlodzimierz Jelonek

Suppose that a polarised K\"ahler manifold $(X,L)$ admits an extremal metric $\omega$. We prove that there exists a sequence of K\"ahler metrics $\{ \omega_k \}_k$, converging to $\omega$ as $k \to \infty$, each of which satisfies the…

微分几何 · 数学 2020-03-09 Yoshinori Hashimoto

We develop a general theory for the existence of extremal K\"ahler metrics of Poincar\'e type in the sense of Auvray, defined on the complement of a toric divisor of a polarized toric variety. In the case when the divisor is smooth, we…

微分几何 · 数学 2017-11-23 Vestislav Apostolov , Hugues Auvray , Lars Martin Sektnan

We prove uniform sup-norm estimates for the Monge-Ampere equation with respect to a family of Kahler metrics which degenerate towards a pull-back of a metric from a lower dimensional manifold. This is then used to show the existence of…

微分几何 · 数学 2007-10-08 Slawomir Kolodziej , Gang Tian

In this paper we address the problem of studying those complex manifolds $M$ equipped with extremal metrics $g$ induced by finite or infinite dimensional complex space forms. We prove that when $g$ is assumed to be radial and the ambient…

微分几何 · 数学 2020-06-04 Andrea Loi , Filippo Salis , Fabio Zuddas

We establish a regularity result for the metric on any 4-dimensional extremal K\"ahler manifold, and a weak compactness theorem on the space of such metrics. Specifically, the sectional curvature at a point is bounded when the quantity…

微分几何 · 数学 2011-05-11 Brian Weber

We obtain a local classification of complex homothetic foliations on Kaehler manifolds by complex curves. This is used to construct almost Kaehler, Ricci-flat metrics subject to additional curvature properties.

微分几何 · 数学 2012-06-18 Simon G. Chiossi , Paul-Andi Nagy

This article considers the existence and regularity of Kahler-Einstein metrics on a compact Kahler manifold $M$ with edge singularities with cone angle $2\pi\beta$ along a smooth divisor $D$. We prove existence of such metrics with…

微分几何 · 数学 2015-12-01 T. Jeffres , Rafe Mazzeo , Yanir A. Rubinstein

Some curvature properties of Kahler manifolds of indefinite metrics are studied. Analogues of a Kulkarni's theorem are proved for such manifolds.

微分几何 · 数学 2010-08-12 Ognian Kassabov , Adrijan Borisov

We point out how some recent developments in the theory of constant scalar curvature K\"ahler metrics can be used to clarify the existence issue for such metrics in the special case of geometrically ruled complex surfaces.

微分几何 · 数学 2007-05-23 Vestislav Apostolov , Christina W. Tønnesen-Friedman

We prove a regularity result for the Monge--Amp\`ere equations on compact Kaehler manifolds with degenerate rhs member.

微分几何 · 数学 2007-05-23 Mihai Paun

We prove the existence and uniqueness of the solutions of some very general type of degenerate complex Monge-Amp\`ere equations. This type of equations is precisely what is needed in order to construct K\"ahler-Einstein metrics over…

微分几何 · 数学 2009-03-24 Jean-Pierre Demailly , Nefton Pali

We prove uniform gradient and diameter estimates for a family of geometric complex Monge-Ampere equations. Such estimates can be applied to study geometric regularity of singular solutions of complex Monge-Ampere equations. We also prove a…

微分几何 · 数学 2017-06-07 Xin Fu , Bin Guo , Jian Song

This paper concerns the explicit construction of extremal Kaehler metrics on total spaces of projective bundles, which have been studied in many places. We present a unified approach, motivated by the theory of hamiltonian 2-forms (as…

We study degenerate complex Monge-Amp\`ere equations of the form $(\omega+dd^c \varphi)^n = e^{t \varphi} \mu$ where $\omega$ is a big semi-positive form on a compact K\"ahler manifold $X$ of dimension $n$, $t \in \R^+$, and $\mu=f\omega^n$…

代数几何 · 数学 2008-09-24 Philippe Eyssidieux , Vincent Guedj , Ahmed Zeriahi

We prove the following theorem for Holomorphic Foliations in compact complex kaehler manifolds: if there is a compact leaf with finite holonomy, then every leaf is compact with finite holonomy. As corollary we reobtain stability theorems…

几何拓扑 · 数学 2010-04-20 Jorge Vitorio Pereira
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