English

Julia and John revisited

Dynamical Systems 2009-02-26 v3

Abstract

We show that Fatou components of a semi-hyperbolic rational map are John domains and that the converse does not hold. This generalizes a famous result of Carleson, Jones and Yoccoz. We show that a connected Julia set is locally connected for a large class of non-uniformly hyperbolic rational maps. This class is more general than semi-hyperbolicity and includes Collet-Eckmann and Topological Collet-Eckmann maps and maps verifying a summability condition (as considered by Graczyk and Smirnov).

Keywords

Cite

@article{arxiv.0803.3889,
  title  = {Julia and John revisited},
  author = {Nicolae Mihalache},
  journal= {arXiv preprint arXiv:0803.3889},
  year   = {2009}
}
R2 v1 2026-06-21T10:24:55.267Z