Videos

Entropies for Covers of Compact Manifolds

September 22, 2011
Keywords:
  • quantitative geometry
  • entropy formulas
  • Riemannian geometry
  • random walks on Riemannian manifolds
  • asymptotic geometry
  • probability theory
  • ergodic theory
MSC:
  • 60G15
  • 60Gxx
  • 60-xx
  • 60G50
  • 28D20
  • 28Dxx
Abstract
We consider a regular Riemannian cover M of a compact Riemannian manifold. The linear drift, ell, and the Kaimanovich entropy, h, are geometric invariants defined by asymptotic properties of the Brownian motion on M. We show that ell^2