Recorded talks

2017

Monster groups acting on CAT(0) spaces

Since the beginning of the 20th century, infinite torsion groups have been the source of numerous developments in group theory: …

2016

Monster groups acting on CAT(0) spaces

Since the beginning of the 20th century, infinite torsion groups have been the source of numerous developments in group theory: …

2014

Théorie de la petite simplification : une approche géométrique

Une “bonne” action de groupe sur un espace hyperbolique (au sens de Gromov) permet de capturer les propriétés à large …