56:36
published on December 3, 2025
Modularity of special cycles in orthogonal and unitary Shimura varieties
By Salim Tayou
Appears in collections : Dynamics and geometry in the Teichmüller space / Dynamique et géométrie dans l'espace de Teichmüller, Exposés de recherche, ECM 2024 Invited Speakers
We will present a geometric criterion for the ergodicity of the billiard flow in a polygon with non-rational angles and discuss its application to the Diophantine case.