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math.GR2017★ 22 cited
Algebraic laminations for free products and arational trees
Vincent Guirardel, Camille Horbez
This work is the first step towards a description of the Gromov boundary of the free factor graph of a free product, with applications to subgroup classification for outer automorp…
math.GR2017
Boundary amenability of
Mladen Bestvina, Vincent Guirardel, Camille Horbez
We prove that is boundary amenable. This also holds more generally for , where is either a toral relatively hyperbolic group or a finitely generated right-an…