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We study the dynamics near infinity of polynomial mappings $f$ in $\mathbb{C}^2$. We assume that $f$ has indeterminacy points and is non constant on the line at infinity $L_\infty$. If $L_\infty$ is $f$-attracting, we decompose the Green…

Dynamical Systems · Mathematics 2019-12-18 Gabriel Vigny

Let f be a holomorphic automorphism of a compact Kahler manifold (X,\omega) of dimension k>1. We study the convex cones of positive closed (p,p)-currents T_p, which satisfy a functional relation $f^*(T_p)=\lambda T_p, \lambda>1,$ and some…

Dynamical Systems · Mathematics 2007-05-23 Tien-Cuong Dinh , Nessim Sibony

Let $X$ be a compact K\"ahler manifold of dimension 3 and let $f:X\rightarrow X$ be a pseudo-automorphism. Under the mild condition that $\lambda_1(f)^2>\lambda_2(f)$, we prove the existence of invariant positive closed $(1,1)$ and $(2,2)$…

Dynamical Systems · Mathematics 2013-11-26 Tuyen Trung Truong

It is an open problem whether repelling periodic points are dense in the classical Julia set of a non-archimedean rational function of degree more than one. We give a partial positive answer to this question based on a study of a…

Dynamical Systems · Mathematics 2012-03-20 Yûsuke Okuyama

The Fatou-Julia iteration theory of rational and transcendental entire functions has recently been extended to quasiregular maps in more than two real dimensions. Our goal in this paper is similar; we extend the iteration theory of analytic…

Dynamical Systems · Mathematics 2019-04-12 Daniel A. Nicks , David J. Sixsmith

A transcendental entire function f is called geometrically finite if the intersection of the set of singular values with the Fatou set is compact and the intersection of the postsingular set with the Julia set is finite. (In particular,…

Dynamical Systems · Mathematics 2010-11-02 Helena Mihaljevic-Brandt

Let $f:\widehat{\mathbb{C}}\rightarrow \widehat{\mathbb{C}}$ be a hyperbolic rational map of degree $d \geq 2$, and let $J \subset \mathbb{C}$ be its Julia set. We prove that $J$ always has positive Fourier dimension. The case where $J$ is…

Dynamical Systems · Mathematics 2022-09-21 Gaétan Leclerc

This note initiates the study of the Fatou\,--\,Julia sets of a complex harmonic mapping. Along with some fundamental properties of the Fatou and the Julia sets, we observe some contrasting behaviour of these sets as those with in case of a…

Complex Variables · Mathematics 2025-03-04 Gopal Datt , Ramanpreet Kaur

For a hyperbolic polynomial automorphism of C^2 with a disconnected Julia set, and under a mild dissipativity condition, we give a topological description of the components of the Julia set. Namely, there are finitely many "quasi-solenoids"…

Dynamical Systems · Mathematics 2023-09-26 Romain Dujardin , Mikhail Lyubich

We give an example of a family of endomorphisms of $\mathbb P^2 (\mathbb C)$ whose Julia set depends continuously on the parameter and whose bifurcation locus has non empty interior.

Dynamical Systems · Mathematics 2016-07-07 Fabrizio Bianchi , Johan Taflin

The no invariant line fields conjecture is one of the main outstanding problems in traditional complex dynamics. In this paper we consider non-autonomous iteration where one works with compositions of sequences of polynomials with suitable…

Dynamical Systems · Mathematics 2011-05-24 Mark Comerford

We find that characteristics of quantum tunneling in the presence of chaos can be regarded as a manifestation of the Julia set of the complex dynamical system. Several numerical evidences for the standard map together with a rigorous…

Chaotic Dynamics · Physics 2009-11-07 A. Shudo , Y. ishii , K. S. Ikeda

We build measurable holomorphic motions for Julia sets of holomorphic families of endomorphisms of CP(k) under various equivalent notions of stability.

Dynamical Systems · Mathematics 2015-01-15 François Berteloot , Fabrizio Bianchi

Topological entropy is not lower semi-continous: small perturbation of the dynamical system can lead to a collapse of entropy. In this note we show that for some special classes of dynamical systems (geodesic flows, Reeb flows, positive…

Symplectic Geometry · Mathematics 2021-02-11 Lucas Dahinden

We study the regularity of the Green currents and of the equilibrium measure associated to a horizontal-like map in C^k, under a natural assumption on the dynamical degrees. We estimate the speed of convergence towards the Green currents,…

Dynamical Systems · Mathematics 2008-09-06 T. -C. Dinh , V. -A. Nguyen , N. Sibony

We introduce a notion of stability for equilibrium measures in holomorphic families of endomorphisms of CP(k) and prove that it is equivalent to the stability of repelling cycles and equivalent to the existence of some measurable…

Dynamical Systems · Mathematics 2016-12-20 François Berteloot , Fabrizio Bianchi , Christophe Dupont

There are two natural definitions of the Julia set for complex H\'enon maps: the sets $J$ and $J^\star$. Whether these two sets are always equal is one of the main open questions in the field. We prove equality when the map acts…

Complex Variables · Mathematics 2017-09-08 Lorenzo Guerini , Han Peters

We consider the dynamics arising from the iteration of an arbitrary sequence of polynomials with uniformly bounded degrees and coefficients and show that, as parameters vary within a single hyperbolic component in parameter space, certain…

Dynamical Systems · Mathematics 2012-02-17 Mark Comerford , Todd Woodard

Holomorphic renormalization plays an important role in complex polynomial dynamics. We consider certain conditions guaranteeing that a polynomial which does not admit a polynomial-like connected Julia set still admits an invariant continuum…

Dynamical Systems · Mathematics 2023-08-01 Alexander Blokh , Peter Haissinsky , Lex Oversteegen , Vladlen Timorin

Impulsive dynamical systems, modeled by a continuous semiflow and an impulse function, may be discontinuous and may have non-intuitive topological properties, as the non-invariance of the non-wandering set or the non-existence of invariant…

Dynamical Systems · Mathematics 2024-05-09 Jaqueline Siqueira , Maria Joana Torres , Paulo Varandas