## Topology & Geometric Group Theory Seminar

## Fall 2008

### 1:30 – 2:30, Malott 406

Tuesday, September 30

**Ruth
Charney**, Brandeis University

*Automorphism groups of right-angled Artin groups*

Automorphism groups of free groups have many properties in common with
linear groups. For example, they are virtually torsion-free, have
finite vcd, and satisfy the Tits alternative. Right-angled Artin
groups interpolate between free groups and free abelian groups. We
study which of these properties are shared by the automorphism groups
of all right-angled Artin groups.

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