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Let $\mathcal{L}$ be a Lipschitz lamination by Riemann surfaces embedded in $M$. If $M$ is a complex torus, $\mathbb{CP}^1\times\mathbb{CP}^1$ or $\mathbb{T}^1\times\mathbb{CP}^1$ and there is no directed closed current then there exists a…

Complex Variables · Mathematics 2013-04-11 Carlos Pérez-Garrandés

Let \Fc be a holomorphic foliation by Riemann surfaces on a compact K\"ahler surface X. Assume it is generic in the sense that all the singularities are hyperbolic and that the foliation admits no directed positive closed (1,1)-current.…

Complex Variables · Mathematics 2019-04-23 Tien-Cuong Dinh , Viet-Anh Nguyen , Nessim Sibony

Let F be a holomorphic foliation of P^2 by Riemann surfaces. Assume all the singular points of F are hyperbolic. If F has no algebraic leaf, then there is a unique positive harmonic $(1,1)$ current $T$ of mass one, directed by F. This…

Dynamical Systems · Mathematics 2009-03-11 John Erik Fornaess , Nessim Sibony

We introduce, on a complex Kahler manifold (M,\omega), a notion of energy for harmonic currents of bidegree (1,1). This allows us to define $\int T \wedge T \wedge \omega^{k-2},$ for positive harmonic currents. We then show that for a…

Complex Variables · Mathematics 2007-05-23 John-Erik Fornaess , Nessim Sibony

In these introductory notes we give the basics of the theory of holomorphic foliations and laminations. The emphasis is on the theory of harmonic currents and unique ergodicity for laminations transversally Lipschitz in CP^2 and for generic…

Dynamical Systems · Mathematics 2008-03-06 John Erik Fornaess , Nessim Sibony

In this paper, we construct various examples of holomorphic laminations, with leaves of dimension 1, and we also study some of their dynamical properties. In particular we study existence and uniqueness of positive closed currents. We…

Dynamical Systems · Mathematics 2010-02-16 John Erik Fornaess , Nessim Sibony , Erlend Fornaess Wold

Let $S$ be a compact, connected, oriented surface, possibly with boundary, of negative Euler characteristic. In this article we extend Lindenstrauss-Mirzakhani's and Hamenst\"adt's classification of locally finite mapping class group…

Geometric Topology · Mathematics 2021-05-18 Viveka Erlandsson , Gabriele Mondello

We prove that a probability measure on a compact non-singular lamination by hyperbolic Riemann surfaces is harmonic if and only if it is the projection of a measure on the unit tangent bundle such that it is invariant under both the…

Dynamical Systems · Mathematics 2007-10-11 Yuri Bakhtin , Matilde Martinez

Given a harmonic measure of a hyperbolic lamination on a compact metric space, a positive harmonic function is defined on the universal cover of a typical leaves. We discuss some properties of this function. Especially if all the leaves are…

Geometric Topology · Mathematics 2013-06-06 Shigenori Matsumoto

We study local positive harmonic currents directed by a foliation by Riemann surfaces near a hyperbolic singularity which have no mass on the separatrices. A theorem of Nguy\^en says that the Lelong number of such a current at the singular…

Dynamical Systems · Mathematics 2020-10-09 Tien-Cuong Dinh , Hao Wu

Let \Fc be a holomorphic foliation by curves defined in a neighborhood of 0 in \C^2 having 0 as a hyperbolic singularity. Let T be a harmonic current directed by \Fc which does not give mass to any of the two separatrices. Then we show that…

Complex Variables · Mathematics 2016-12-16 Viet-Anh Nguyen

We study the dynamics of a bimeromorphic selfmap of a compact complex K\"ahler surface $X$. Under a natural geometric hypothesis, we construct an invariant probability measure, which is mixing, hyperbolic and of maximal entropy. The proof…

Dynamical Systems · Mathematics 2007-05-23 Romain Dujardin

We show that for every $\epsilon>0$, there exists a compact lamination by $\epsilon$-holomorphic surfaces in the complex projective plane, minimal, and that carries hyperbolic holonomy. We call $\epsilon$-holomorphic a real 2-dimensional…

Dynamical Systems · Mathematics 2007-05-23 Bertrand Deroin

Consider a foliation in the projective plane admitting a projective line as the unique invariant algebraic curve. Assume that the foliation is generic in the sense that its singular points are hyperbolic. We show that there is a unique…

Complex Variables · Mathematics 2017-07-19 Tien-Cuong Dinh , Nessim Sibony

In the present paper, we revisit a famous theorem by Candel that we generalize by proving that given a compact lamination by hyperbolic surfaces, every negative function smooth inside the leaves and transversally continuous is the curvature…

Differential Geometry · Mathematics 2021-03-09 Sébastien Alvarez , Graham Smith

We introduce a notion of super-potential (canonical function) associated to positive closed (p,p)-currents on compact Kaehler manifolds and we develop a calculus on such currents. One of the key points in our study is the use of…

Dynamical Systems · Mathematics 2008-04-08 Tien-Cuong Dinh , Nessim Sibony

A rigid cohomology class on a complex manifold is a class that is represented by a unique closed positive current. The positive current representing a rigid class is also called rigid. For a compact Kahler manifold $X$ all eigenvectors of…

Algebraic Geometry · Mathematics 2025-12-24 Nessim Sibony , Andrey Soldatenkov , Misha Verbitsky

We apply the techniques of our previous paper to study joint eigenfunctions of the Laplacian and one Hecke operator on compact congruence surfaces, and joint eigenfunctions of the two partial Laplacians on compact quotients of…

Dynamical Systems · Mathematics 2010-06-21 Shimon Brooks , Elon Lindenstrauss

K\"ahler-Einstein currents, also known as singular K\"ahler-Einstein metrics, have been introduced and constructed a little over a decade ago. These currents live on mildly singular compact K\"ahler spaces $X$ and their two defining…

Complex Variables · Mathematics 2023-06-01 Vincent Guedj , Henri Guenancia , Ahmed Zeriahi

We study ergodic properties of compositions of holomorphic endomorphisms of the complex projective space chosen independently at random according to some probability distribution. Along the way, we construct positive closed currents which…

Dynamical Systems · Mathematics 2026-05-22 Turgay Bayraktar
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