15 citations · 38 across the 14 of their papers we have counts for
Showing 2005 · math.GRShow all
3 papers · 2 filters
math.GR2005
Automorphism groups of free groups, surface groups and free abelian groups
Martin R Bridson, Karen Vogtmann
The group of 2-by-2 matrices with integer entries and determinant can be identified either with the group of outer automorphisms of a rank two free group or with the grou…
math.GR2005★ 11 cited
Free-group automorphisms, train tracks and the beaded decomposition
Martin R. Bridson, Daniel Groves
We study the automorphisms ϕof a finitely generated free group F. Building on the train-track technology of Bestvina, Feighn and Handel, we provide a topological representative f:G…
math.GR2005
Normalisers in Limit Groups
Martin R Bridson, James Howie
Let $\G$ be a limit group, $S\subset\G$ a subgroup, and the normaliser of . If has finite $\Q$-dimension, then is finitely generated and either …