Hauptseminar Geometrie

In this talk, I will explain how we can construct a classifying space and a boundary for a group that is realized as the fundamental group of a non- positively curved complex of groups, out of such structures for its local groups. With such a boundary at hand, we prove a combination theorem that yields a procedure for getting hyperbolic groups as fundamental groups of complexes of hyperbolic groups. This construction also provides a description of their Gromov boundaries.

Freitag, den 18. Januar 2013 um 14:00 Uhr, in INF 288, HS 1 Freitag, den 18. Januar 2013 at 14:00, in INF 288, HS 1

Der Vortrag folgt der Einladung von The lecture takes place at invitation by Prof. Dr. Anna Wienhard