English

Geometrization of postcritically finite branched coverings (revised)

Dynamical Systems 2012-05-03 v3 Geometric Topology

Abstract

We study canonical decompositions of postcritically finite branched coverings of the 2-sphere, as defined by K. Pilgrim. We show that every hyperbolic cycle in the decomposition does not have a Thurston obstruction. It is thus Thurston equivalent to a rational map.

Keywords

Cite

@article{arxiv.1102.2247,
  title  = {Geometrization of postcritically finite branched coverings (revised)},
  author = {Sylvain Bonnot and Michael Yampolsky},
  journal= {arXiv preprint arXiv:1102.2247},
  year   = {2012}
}

Comments

Minor update