Large covers and sharp resonances of hyperbolic surfaces

Dmitry Jakobson, Frederic Naud, Louis Soares

Let $\Gamma$ be a convex co-compact discrete group of isometries of the hyperbolic plane ${\mathbb{H}}^2$, and $X=\Gamma \backslash {\mathbb{H}}^2$ the associated surface. In this paper we invest…