A finitely presented subgroup of the automorphism group of a right-angled Artin group

Details A finitely presented subgroup of the automorphism group of a right-angled Artin group A finitely presented subgroup of the automorphism group of a right-angled Artin group

2011-11-07

arxiv.org/abs/1111.1517v1

Mathematics

Group Theory

Scientific paper

Let G be a right-angled Artin group. We use geometric methods to compute a
presentation of the subgroup H of Aut(G) consisting of the automorphisms that
send each generator to a conjugate of itself. This generalizes a result of
McCool on basis-conjugating automorphisms of free groups.

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