Local connectivity of boundaries of tame Fatou components of meromorphic functions

We consider holomorphic maps $f: U \rightarrow U$ for a hyperbolic domain $U$ in the complex plane, such that the iterates of $f$ converge to a boundary point $\zeta$ of $U$. By a previous result of the authors, for such maps there exist nice absorbing domains $W \subset U$. In this paper we show th...

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Bibliographic Details
Authors: Barański, Krzysztof; Fagella Rabionet, Núria; Jarque i Ribera, Xavie; Karpińska, Bogusława
Format: Article
Status:Published version
Publication date:2024
Country:España
Institution:Universidad de Barcelona
Repository:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/216337
Online Access:https://hdl.handle.net/2445/216337
Access Level:Open access
Keyword:Sistemes dinàmics complexos
Funcions de variables complexes
Funcions meromorfes
Complex dynamical systems
Functions of complex variables
Meromorphic functions
Description
Summary:We consider holomorphic maps $f: U \rightarrow U$ for a hyperbolic domain $U$ in the complex plane, such that the iterates of $f$ converge to a boundary point $\zeta$ of $U$. By a previous result of the authors, for such maps there exist nice absorbing domains $W \subset U$. In this paper we show that $W$ can be chosen to be simply connected, if $f$ has doubly parabolic type in the sense of the Baker-Pommerenke-Cowen classification of its lift by a universal covering (and $\zeta$ is not an isolated boundary point of $U$). We also provide counterexamples for other types of the map $f$ and give an exact characterization of doubly parabolic type in terms of the dynamical behaviour of $f$.