The automorphism group of accesible groups
Given a (Gromov) hyperbolic group G, we want to describe its automorphism group using decompositions of G as the fundamental group
of a graph of group. We are also looking for a generalization of (Culler-Vogtmann's) Outer Space for such groups.
Prof. Bernhard Mühlherr (ULB, Belgium) and Richard Weidmann (Heriot-Watt University, Edinburgh).