Interactions between Geometry and Topology, to celebrate Ivan Babenko

9:00 - 9:50 (50min)

Lorentzian surfaces with continuous isometry group

Christophe Bavard

10:00 - 10:50 (50min)

Arithmeticity of the Kontsevich-Zorich monodromies of special origamis

Gabriela Weitze-Schmithüsen

11:00 - 11:30 (30min)

Pause café

11:30 - 12:20 (50min)

Convergence and collapsing of CAT(0)-group actions

Andrea Sambusetti

12:30 - 13:45 (1h15)

Déjeuner

14:00 - 14:50 (50min)

Sharp bounds on the length of the shortest closed geodesic on punctured spheres.

Antonia Jabbour

14:55 - 15:25 (30min)

Pause café

15:25 - 16:15 (50min)

Areas and crossings

Alfredo Hubard

19:00 - 21:00 (2h)

Banquet

Programme