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The goal of this paper is to study some basic properties of the Fatou and Julia sets for a family of holomorphic endomorphisms of $\mathbb{C}^k,\; k \ge 2$. We are particularly interested in studying these sets for semigroups generated by…

Dynamical Systems · Mathematics 2015-08-27 Sayani Bera , Ratna Pal

We study how the orbits of the singularities of the inverse of a meromorphic function prescribe the dynamics on its Julia set, at least up to a set of (Lebesgue) measure zero. We concentrate on a family of entire transcendental functions…

Dynamical Systems · Mathematics 2007-05-23 Jan-Martin Hemke

We prove that every wandering exposed Julia component of a rational map is to a singleton, provided that each wandering Julia component containing critical points is non-recurrent. Moreover, we show that the Julia set contains only finitely…

Dynamical Systems · Mathematics 2025-09-09 Yan Gao , Lele Xu , Luxian Yang

We prove that every wandering Julia component of cubic rational maps eventually has at most two complementary components.

Dynamical Systems · Mathematics 2023-09-15 Guizhen Cui , Wenjuan Peng , Luxian Yang

We prove some Liouville type results for generalized holomorphic maps in three classes: maps from pseudo-Hermitian manifolds to almost Hermitian manifolds, maps from almost Hermitian manifolds to pseudo-Hermitian manifolds and maps from…

Differential Geometry · Mathematics 2021-10-08 Haojie Chen , Yibin Ren

A (simple) hypergraph is a family H of pairwise incomparable sets of a finite set. We say that a hypergraph H is a domination hypergraph if there is at least a graph G such that the collection of minimal dominating sets of G is equal to H.…

Combinatorics · Mathematics 2016-05-06 Jaume Martí-Farré , Mercè Mora , José Luis Ruiz

In this paper, we prove that for any post-critically finite rational map $f$ on the Riemann sphere $\overline{\mathbb{C}}$, and for each sufficiently large integer $n$, there exists a finite and connected graph $G$ in the Julia set of $f$…

Dynamical Systems · Mathematics 2024-11-26 Guizhen Cui , Yan Gao , Jinsong Zeng

We prove density of hyperbolicity in spaces of (i) real transcendental entire functions, bounded on the real line, whose singular set is finite and real and (ii) transcendental self-maps of the punctured plane which preserve the circle and…

Dynamical Systems · Mathematics 2015-11-03 Lasse Rempe-Gillen , Sebastian van Strien

In this paper we study rational Collet-Eckmann maps for which the Julia set is not the whole sphere and for which the critical points are recurrent at a slow rate. In families where the orders of the critical points are fixed, we prove that…

Dynamical Systems · Mathematics 2024-03-08 Magnus Aspenberg , Mats Bylund , Weiwei Cui

Given a polynomial diffeomorphism f: C^2 -> C^2 there is a set $J_f\subset{\bf C}^2$ which we call the Julia set of f. The set $J_f\subset C^2$ plays the role of the Julia set $J\subset{\bf C}$ for a polynomial map of C. In the study of…

Complex Variables · Mathematics 2016-09-06 Eric Bedford , John Smillie

We study the notion of tangent-like maps, which is a transcendental analogue of polynomial-like maps. We introduce a model family analogous to quadratic polynomials, with only one free asymptotic value, and define the "Tandelbrot set" as…

Dynamical Systems · Mathematics 2026-03-17 Astorg Matthieu , Benini Anna Miriam , Fagella Núria

A small perturbation of a quadratic polynomial with a non-repelling fixed point gives a polynomial with an attracting fixed point and a Jordan curve Julia set, on which the perturbed polynomial acts like angle doubling. However, there are…

Dynamical Systems · Mathematics 2016-02-01 Alexander Blokh , Lex Oversteegen , Ross Ptacek , Vladlen Timorin

This note concerns non-autonomous dynamics of rational functions and, more precisely, the fractal behavior of the Julia sets under perturbation of non-autonomous systems. We provide a necessary and sufficient condition for holomorphic…

Dynamical Systems · Mathematics 2012-02-15 Volker Mayer , Bartlomiej Skorulski , Mariusz Urbanski

For a post-critically finite hyperbolic rational map $f$, we show that its Julia set $\mathcal{J}_f$ has Ahlfors-regular conformal dimension one if and only if $f$ is a crochet map, i.e., there is an $f$-invariant connected graph $G$…

Dynamical Systems · Mathematics 2026-03-23 Insung Park

We prove that for every polynomial of one complex variable of degree at least 2 and Julia set not being totally disconnected nor a circle, nor interval, Hausdorff dimension of this Julia set is larger than 1. Till now this was known only in…

Dynamical Systems · Mathematics 2021-03-08 Feliks Przytycki , Anna Zdunik

We establish universality of the fat Basilica Julia set $J(z^2-\frac34)$ in conformal dynamics in the following sense: $J(z^2-\frac34)$ is quasiconformally equivalent to the fat Basilica Julia set of any polynomial as well as to the limit…

Dynamical Systems · Mathematics 2026-01-21 Yusheng Luo , Mahan Mj , Sabyasachi Mukherjee

We show that an invariant Fatou component of a hyperbolic transcendental entire function is a bounded Jordan domain (in fact, a quasidisc) if and only if it contains only finitely many critical points and no asymptotic curves. We use this…

Dynamical Systems · Mathematics 2016-02-11 Walter Bergweiler , Núria Fagella , Lasse Rempe-Gillen

In this paper we settle most of the open questions on algorithmic computability of Julia sets. In particular, we present an algorithm for constructing quadratics whose Julia sets are uncomputable. We also show that a filled Julia set of a…

Dynamical Systems · Mathematics 2007-09-30 Mark Braverman , Michael Yampolsky

In this work we consider a class of endomorphisms of $\mathbb{R}^2$ defined by $f(x,y)=(xy+c,x)$, where $c\in\mathbb{R}$ is a real number and we prove that when $-1<c<0$, the forward filled Julia set of $f$ is the union of stable manifolds…

Dynamical Systems · Mathematics 2019-09-02 Danilo Antonio Caprio

We first state a condition ensuring that having a birational map onto the image is an open property for families of irreducible normal non uniruled varieties. We give then some criteria to ensure general birationality for a family of…

Algebraic Geometry · Mathematics 2024-04-30 Fabrizio Catanese