May 22 (Tue), 17:00-17:45, HG G 19.1

Michel Deza, Ecole Normale Superieure, Paris

Ten problems I care most. (abstract)

May 22 (Tue), 17:45-18:30, HG G 19.1

Gaiane Panina, Bielefeld and St. Petersburg

Hyperbolic virtual polytopes and pointed spherical tilings. (abstract)