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We extend to compact K\"ahler manifolds some classical results on linear representation of fundamental groups of complex projective manifolds. Our approach based on an interversion lemma for fibrations with tori versus general type…

Algebraic Geometry · Mathematics 2019-02-20 Frédéric Campana , Benoît Claudon , Philippe Eyssidieux

Let X be a compact K\"ahler manifold such that the universal cover admits a compactification. We conjecture that the fundamental group is almost abelian and reduce it to a classical conjecture of Iitaka.

Algebraic Geometry · Mathematics 2014-10-13 Benoît Claudon , Andreas Hoering

We prove that every Kaehler solvmanifold has a finite covering whose holomorphic reduction is a principal bundle. An example is given that illustrates the necessity, in general, of passing to a proper covering. We also answer a stronger…

Complex Variables · Mathematics 2015-10-08 Bruce Gilligan , Karl Oeljeklaus

Given a compact Kaehler manifold, we consider the complement U of a divisor with normal crossings. We study the variety of unitary representations of the fundamental group of U with certain restrictions related to the divisor. We show that…

dg-ga · Mathematics 2008-02-03 Philip A. Foth

This article generalises to K\"ahler orbifolds general results on uniformisation of compact K\"ahler manifolds such as the Shafarevich conjecture for linear fundamental groups.

Algebraic Geometry · Mathematics 2013-02-21 Philippe Eyssidieux

A compact K\"ahler manifold is shown to be simply-connected if its `symmetric cotangent algebra' is trivial. Conjecturally, such a manifold should even be rationally connected. The relative version is also shown: a proper surjective…

Algebraic Geometry · Mathematics 2015-11-06 Yohan Brunebarbe , Frédéric Campana

We prove several results on the structure of solvable quotients of fundamental groups of compact Kahler manifolds (Kahler groups).

Algebraic Geometry · Mathematics 2007-05-23 A. Brudnyi

We prove that a K\"ahler group which is cubulable, i.e. which acts properly discontinuously and cocompactly on a CAT(0) cubical complex, has a finite index subgroup isomorphic to a direct product of surface groups, possibly with a free…

Geometric Topology · Mathematics 2019-06-26 Thomas Delzant , Pierre Py

Theorem (uniformization). Let X be a compact Kahler manifold of dimension n with large, residually finite and nonamenable fundamental group. Then its universal covering is a bounded domain in the n-dimensional affine space.

Algebraic Geometry · Mathematics 2016-08-01 Robert Treger

In this paper we try to generalize the Haefliger theorem on completly solvable Lie foliations. We prove that: every completely solvable Lie foliation on a compact manifold is the inverse image of a homogenus foliation. Every manifold in…

Differential Geometry · Mathematics 2018-02-23 Ameth Ndiaye

We construct certain orbifold compactifications of the moduli stack of pointed stable curves over $\mathbb C$ and study their fundamental groups by means of their quantum representations. This enables to construct interesting K\"ahler…

Algebraic Geometry · Mathematics 2021-12-14 Philippe Eyssidieux , Louis Funar

This article is devoted to examples of (orbifold) K\"ahler groups from the perspective of the so-called Shafarevich conjecture on holomorphic convexity. It aims at pointing out that every quasi-projective complex manifold with an…

Algebraic Geometry · Mathematics 2016-11-29 Philippe Eyssidieux

The aim of this paper is to study the pro-algebraic fundamental group of a compact Kaehler manifold. Following work by Simpson, the structure of this group's pro-reductive quotient is already well understood. We show that Hodge-theoretic…

Complex Variables · Mathematics 2007-05-23 J. P. Pridham

We prove that the universal covering space of a complex projective manifold is holomorphically convex provided its fundamental group is linear.

Algebraic Geometry · Mathematics 2009-04-07 Philippe Eyssidieux , L. Katzarkov , Tony Pantev , Mohan Ramachandran

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…

Geometric Topology · Mathematics 2010-04-20 Jorge Vitorio Pereira

Compact K\"ahler solvmanifolds are classified up to biholomorphism. A proof of a conjecture Benson and Gordon, that completely solvable compact K\"ahler solvmanifolds are tori is deduced from this. The main ingredient in the proof is a…

Differential Geometry · Mathematics 2007-05-23 Donu Arapura

The paper presents a classification theorem for the class of flat connections with triangular (0,1)-components on a topologically trivial complex vector bundle over a compact Kahler manifold. As a consequence we obtain several results on…

Differential Geometry · Mathematics 2007-05-23 Alexander Brudnyi

In this paper we prove that the universal cover of a smooth projective variety with nilpotent fundamental group is holomorphically convex.

alg-geom · Mathematics 2008-02-03 Ludmil Katzarkov

We prove that if a compact K\"ahler Poisson manifold has a symplectic leaf with finite fundamental group, then after passing to a finite \'etale cover, it decomposes as the product of the universal cover of the leaf and some other Poisson…

Algebraic Geometry · Mathematics 2022-12-21 Stéphane Druel , Jorge Vitório Pereira , Brent Pym , Frédéric Touzet

This article generalizes the result of Katzarkov and Ramachandran from algebraic surfaces to K\"ahler surfaces. We follow their argument to prove the holomorphic convexity of a reductive Galois covering over a compact K\"ahler surface which…

Complex Variables · Mathematics 2023-03-14 Yuan Liu
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