Dynamics of Convex Cocompact Subgroups of Mapping Class Groups
arXiv:1204.1741
Abstract
For a convex cocompact subgroup , and points we obtain asymptotic formulas as of as well as the number of conjugacy classes of pseudo-Anosov elements in of dilatation at most . We do this by developing an analogue of Patterson-Sullivan theory for the action of on .
Minor update, some typos corrected