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math.GR2005★ 9 cited
Contractibility of deformation spaces of G-trees
Matt Clay
Forester has defined spaces of simplicial tree actions for a finitely generated group, called deformation spaces. Culler and Vogtmann's Outer space is an example of a deformation s…
math.GR2005
A Fixed Point Theorem for Deformation Spaces of G-trees
Matt Clay
For a finitely generated free group F_n, of rank at least 2, any finite subgroup of Out(F_n) can be realized as a group of automorphisms of a graph with fundamental group F_n. This…