English

Lower Bound For Dilatations

Geometric Topology 2018-05-03 v2

Abstract

We prove a new lower bound for the dilatation of an arbitrary pseudo-Anosov map on a surface of genus g with n punctures. Our bound improves the former super-exponential dependence on the genus by a polynomial dependence.

Keywords

Cite

@article{arxiv.1610.04278,
  title  = {Lower Bound For Dilatations},
  author = {Mehdi Yazdi},
  journal= {arXiv preprint arXiv:1610.04278},
  year   = {2018}
}

Comments

Accepted for publication by the Journal of Topology, 14 pages, Exposition improved, preliminaries and an appendix are added

R2 v1 2026-06-22T16:20:20.065Z