Algèbre et géométrie

14:00-14:45 Adrien Boyer (IMJ-PRG): Property RD and Boundary Representations for A2 Buildings 15:00-15:45 Julien Marché (ENS – PSL): Action of endomorphisms of free groups on their SL_2-character varieties 16:15-17:00 Greg Patchell (University of Oxford): Selfless Inclusions of C*-Algebras and Quantum Groups Abstracts: Greg Patchell: Selfless Inclusions of C*-Algebras and Quantum Groups Recently, strong asymptotic freeness, or selflessness, in C-algebras has emerged as a powerful technique to prove important regularity properties including simplicity, unique trace, stable rank 1, and strict comparison. In particular, in Fall 2024, Amrutam, Gao, Kunnwalkam Elayavalli, and […]

14.00 - 14.45   Elia Fioravanti (KIT - Karlsruhe) "Generators for automorphisms of special groups"15.00 - 15.45   Enrico Le Donne (University of Fribourg) "Asymptotic geometry of Riemannian nilpotent groups"16.15 - 17.00   Catherine Pfaff (Queen's University) "A "cubist" decomposition of the Handel-Mosher axis bundle" Abstracts: Elia Fioravanti: Generators for automorphisms of special groups  Given a family F of finitely generated groups, do all groups in F have “tame” automorphisms, or can there be “wild” examples? More concretely, is Out(G) finitely generated for all groups G in the family F? Rips and Sela showed in the 90s […]