English

The Weil-Petersson geodesic flow is ergodic

Dynamical Systems 2011-10-12 v3 Geometric Topology

Abstract

We prove that the geodesic flow for the Weil-Petersson metric on the moduli space of Riemann surfaces is ergodic (in fact Bernoulli) and has finite, positive metric entropy.

Keywords

Cite

@article{arxiv.1004.5343,
  title  = {The Weil-Petersson geodesic flow is ergodic},
  author = {Keith Burns and Howard Masur and Amie Wilkinson},
  journal= {arXiv preprint arXiv:1004.5343},
  year   = {2011}
}

Comments

53 pages. Errors corrected in earlier version and some expository material removed. To appear in Annals of Math

R2 v1 2026-06-21T15:16:34.980Z