(1) Department of Mathematics, University of Texas, Austin, TX 78712, USA;(2) Department of Mathematics, University of Utah, Salt Lake City, UT 84112, USA;(3) Clay Mathematics Institute, One Bow Street, Cambridge, MA 02138, USA
Abstract:
Some real moduli spaces can be presented as real hyperbolic space modulo a non-arithmetic group. The whole moduli space is
made from some incommensurable arithmetic pieces, in the spirit of the construction of Gromov and Piatetski-Shapiro.