activity
20032026
most citedOn the automorphisms of a graph product of abelian groups

20 citations · 50 across the 13 of their papers we have counts for

collaborators
Showing 2008Show all

1 paper · 1 filter

math.GR2008★ 8 cited

The automorphism group of the free group of rank two is a CAT(0) group

Adam Piggott, Kim Ruane, Genevieve S. Walsh

We prove that the automorphism group of the braid group on four strands acts faithfully and geometrically on a CAT(0) 2-complex. This implies that the automorphism group of the fre…