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arxiv: math/0701937 · v4 · submitted 2007-01-31 · 🧮 math.GR

A presentation for Aut(F_n)

classification 🧮 math.GR
keywords grouppresentationsubcomplexactionauterautomorphismsbrownconnected
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We study the action of the group Aut(F_n) of automorphisms of a finitely generated free group on the degree 2 subcomplex of the spine of Auter space. Hatcher and Vogtmann showed that this subcomplex is simply connected, and we use the method described by K. S. Brown to deduce a new presentation of Aut(F_n).

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