English

Cannon-Thurston maps do not always exist

Group Theory 2015-03-20 v4

Abstract

We construct an example of a hyperbolic group with a hyperbolic subgroup for which the Cannon-Thurston map does not exist. That is, inclusion does not induce a map of the boundaries.

Keywords

Cite

@article{arxiv.1206.0505,
  title  = {Cannon-Thurston maps do not always exist},
  author = {Owen Baker and Timothy Riley},
  journal= {arXiv preprint arXiv:1206.0505},
  year   = {2015}
}

Comments

Referee's comments incorporated. To appear in Forum of Mathematics Sigma

R2 v1 2026-06-21T21:13:39.541Z