Skip to main content

All Questions

Filter by
Sorted by
Tagged with
7 votes
1 answer
177 views

Ergodicity of action of finite index subgroups in the boundary

Let $\Gamma < \operatorname{PSL}_2(\mathbb{R})= \text{Isom}^+(\mathbb{H^2})$ be a discrete subgroup. Suppose $\Gamma$ acts ergodically on the boundary of the hyperbolic plane $\partial{\mathbb{H}^2}...