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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