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In 2001 E. Ghys, X. Gomez-Mont and J. Saludes defined the Fatou and Julia components of transversely holomorphic foliations on compact manifolds. It is a partition of the manifold in two saturated sets: the Fatou set which represents the…

Dynamical Systems · Mathematics 2015-08-26 Nicolas Hussenot

Sun Daochun and Yang Lo have shown that many results of the Fatou-Julia iteration theory of rational functions extend to quasiregular self-maps of the Riemann sphere for which the degree exceeds the dilatation. We show that in this context,…

Dynamical Systems · Mathematics 2014-08-12 Walter Bergweiler

Since the 1980s, much progress has been done in completely determining which functions share a Julia set. The polynomial case was completely solved in 1995, and it was shown that the symmetries of the Julia set play a central role in…

Dynamical Systems · Mathematics 2019-05-16 Gustavo Rodrigues Ferreira

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

Many authors have studied the dynamics of hyperbolic transcendental entire functions; these are those for which the postsingular set is a compact subset of the Fatou set. Equivalenty, they are characterized as being expanding.…

Dynamical Systems · Mathematics 2021-07-01 Leticia Pardo-Simón

We introduce Schottky maps-conformal maps between relative Schottky sets, and study their local rigidity properties. This continues the investigations of relative Schottky sets initiated in [S. Merenkov, "Planar relative Schottky sets and…

Metric Geometry · Mathematics 2013-05-22 Sergei Merenkov

We continue the study of constructing invariant Laplacians on Julia sets, and studying properties of their spectra. In this paper we focus on two types of examples: 1) Julia sets of cubic polynomials $z^3 + c$ with a single critical point;…

Dynamical Systems · Mathematics 2012-06-12 Calum Spicer , Robert S. Strichartz , Emad Totari

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 provide a natural canonical decomposition of postcritically finite rational maps with non-empty Fatou sets based on the topological structure of their Julia sets. The building blocks of this decomposition are maps where all Fatou…

Dynamical Systems · Mathematics 2022-09-08 Dzmitry Dudko , Mikhail Hlushchanka , Dierk Schleicher

Non-renormalizable Newton maps are rigid. More precisely, we prove that their Julia set carries no invariant line fields and that the topological conjugacy is equivalent to quasi-conformal conjugacy in this case.

Dynamical Systems · Mathematics 2023-08-28 Pascale Roesch , Yongcheng Yin , Jinsong Zeng

We construct a quasiregular mapping in $\mathbb{R}^3$ that is the first to illustrate several important dynamical properties: the quasi-Fatou set contains wandering components; these quasi-Fatou components are bounded and hollow; and the…

Complex Variables · Mathematics 2025-03-19 Jack Burkart , Alastair N. Fletcher , Daniel A. Nicks

We prove that a long iteration of rational maps is expanding near boundaries of bounded type Siegel disks. This leads us to extend Petersen's local connectivity result on the Julia sets of quadratic Siegel polynomials to a general case. A…

Dynamical Systems · Mathematics 2025-05-06 Shuyi Wang , Fei Yang , Gaofei Zhang , Yanhua Zhang

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 study quasiconformal deformations and mixing properties of hyperbolic sets in the family of holomorphic correspondences z^r +c, where r >1 is rational. Julia sets in this family are projections of Julia sets of holomorphic maps on C^2,…

Dynamical Systems · Mathematics 2017-08-02 Carlos Siqueira , Daniel Smania

In this paper we prove the following: Take any "small Mandelbrot set" and zoom in a neighborhood of a parabolic or Misiurewicz parameter in it, then we can see a quasiconformal image of a Cantor Julia set which is a perturbation of a…

Dynamical Systems · Mathematics 2024-01-17 Tomoki Kawahira , Masashi Kisaka

This paper is a continuation of authors work: Fatou and Julia like sets,Ukranian J. Math., to appear/arXiv:2006.08308[math.CV](see [4]). Here, we introduce escaping like set and generalized escaping like set for a family of holomorphic…

Complex Variables · Mathematics 2020-06-17 Kuldeep Singh Charak , Anil Singh , Manish Kumar

We prove some new continuity results for the Julia sets $J$ and $J^{+}$ of the complex H\'enon map $H_{c,a}(x,y)=(x^{2}+c+ay, ax)$, where $a$ and $c$ are complex parameters. We look at the parameter space of dissipative H\'enon maps which…

Dynamical Systems · Mathematics 2016-10-03 Remus Radu , Raluca Tanase

We show that a rational function $f$ of degree $>1$ on the projective line over an algebraically closed field that is complete with respect to a non-trivial and non-archimedean absolute value has no potentially good reductions if and only…

Dynamical Systems · Mathematics 2020-11-03 Yûsuke Okuyama

We study the dynamics of a parametric family of rational functions of odd degree, where each function is a generalized Blaschke product that maps the unit circle onto itself. The action of the Blaschke product restricted to the unit circle…

Dynamical Systems · Mathematics 2026-04-21 Melida Carranza Trejo , Monica Moreno Rocha

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