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In this article we develop a new approach to the problem of the stability of locally conformally K\"ahler structures (l.c.k structures) under small deformations of complex structures and deformations of flat line bundles. We show that under…

微分几何 · 数学 2015-01-22 Ryushi Goto

In this paper, we study the properties of coverings of locally conformally K\"ahler (LCK) spaces with singularities. We begin by proving that a space is LCK if any only if its universal cover is K\"ahler, thereby generalizing a result from…

微分几何 · 数学 2020-01-22 Ovidiu Preda , Miron Stanciu

We study complex non-K\"ahler manifolds with Hermitian metrics being locally conformal to metrics with special cohomological properties. In particular, we provide examples where the existence of locally conformal holomorphic-tamed…

微分几何 · 数学 2016-08-04 Daniele Angella , Luis Ugarte

We will discuss in this paper homogeneous locally conformally Keahler (or shortly homogeneous l.c.K.) manifolds and locally homogeneous l.c.K. manifolds from various aspects of study in the field of l.c.K. geometry. We will provide a survey…

微分几何 · 数学 2016-01-19 Keizo Hasegawa , Yoshinobu Kamishima

In this article we introduce a generalization of locally conformally Kaehler metrics from complex manifolds to complex analytic spaces with singularities and study which properties of locally conformally Kaehler manifolds still hold in this…

微分几何 · 数学 2019-08-14 George-Ionut Ionita , Ovidiu Preda

We present an overview of recent results in locally conformally K\"ahler geometry, with focus on the topological properties which obstruct the existence of such structures on compact manifolds.

微分几何 · 数学 2011-03-18 Liviu Ornea , Misha Verbitsky

Vaisman's theorem for locally conformally K\"ahler (lcK) compact manifolds states that any lcK metric on a compact complex manifold which admits a K\"ahler metric is, in fact, globally conformally K\"ahler (gcK). In this paper, we extend…

微分几何 · 数学 2022-06-01 Ovidiu Preda , Miron Stanciu

We obtain an example of a compact locally conformal symplectic nilmanifold which admits no locally conformal K\"ahler metrics. This gives a new positive answer to a question raised by L. Ornea and M. Verbitsky.

微分几何 · 数学 2019-02-25 Giovanni Bazzoni , Juan Carlos Marrero

We classify and investigate locally conformally K\"ahler structures on four-dimensional solvable Lie algebras up to linear equivalence. As an application we can produce many examples in higher dimension, here including lcK structures on…

微分几何 · 数学 2019-12-23 Daniele Angella , Marcos Origlia

A locally conformally K\"ahler (lcK) manifold is a complex manifold $(M,J)$ together with a Hermitian metric $g$ which is conformal to a K\"ahler metric in the neighbourhood of each point. In this paper we obtain three classification…

微分几何 · 数学 2021-06-15 Farid Madani , Andrei Moroianu , Mihaela Pilca

The last years have seen striking improvements on Vaisman's question about existence of locally conformally K\"ahler (lcK) metrics on compact complex surfaces. The aim of this paper is two-fold. We review results of different authors which,…

微分几何 · 数学 2012-09-03 Massimiliano Pontecorvo

I present a selection of results on locally conformally K\"ahler geometry published after 1997. The proofs are mainly sketched, some of them are even omitted. Several open problems are indicated in the end.

微分几何 · 数学 2007-05-23 Liviu Ornea

A Hermitian structure on a manifold is called locally conformally K\"ahler (LCK) if it locally admits a conformal change which is K\"ahler. In this survey we review recent results of invariant LCK structures on solvmanifolds and present…

微分几何 · 数学 2020-04-06 Adrián Andrada , Marcos Origlia

A locally conformally K\"ahler (LCK) manifold is a complex manifold covered by a K\"ahler manifold, with the covering group acting by homotheties. We show that if such a compact manifold X admits a holomorphic submersion with positive…

微分几何 · 数学 2020-07-30 Liviu Ornea , Maurizio Parton , Victor Vuletescu

We prove continuity results for new stability thresholds related to uniform K-stability and deduce that uniform K-stability is an open condition in the K\"ahler cone of any compact K\"ahler manifold, thus establishing an algebro-geometric…

微分几何 · 数学 2022-03-01 Zakarias Sjöström Dyrefelt

We characterize compact locally conformally K\"ahler (l.c.K.) manifolds under the assumption of a purely conformal, holomorphic circle action. As an application, we determine the structure of the compact l.c.K. manifolds with parallel Lee…

微分几何 · 数学 2007-05-23 Yoshinobu Kamishima , Liviu Ornea

A manifold $M$ is locally conformally Kahler (LCK) if it admits a Kahler covering with monodromy acting by holomorphic homotheties. Let $M$ be an LCK manifold admitting a holomorphic conformal flow of diffeomorphisms, lifted to a…

微分几何 · 数学 2021-03-01 Liviu Ornea , Misha Verbitsky

In this paper we develop an analogue of the Berkovich analytification for non-necessarily algebraic complex spaces. We apply this theory to generalize to arbitrary compact K\"ahler manifolds a result of Chi Li, proving that a stronger…

微分几何 · 数学 2025-09-22 Pietro Mesquita-Piccione

A locally conformally K\"ahler (LCK) manifold $M$ is one which is covered by a K\"ahler manifold $\tilde M$ with the deck transform group acting conformally on $\tilde M$. If $M$ admits a holomorphic flow, acting on $\tilde M$ conformally,…

代数几何 · 数学 2010-07-09 Liviu Ornea , Misha Verbitsky

A locally conformally Kahler (LCK) manifold is a complex manifold admitting a Kahler covering M, such that its monodromy acts on this covering by homotheties. A compact LCK manifold is called LCK with potential if M admits an authomorphic…

微分几何 · 数学 2016-01-28 Liviu Ornea , Misha Verbitsky
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