A presentation for Aut(F_n)

Details A presentation for Aut(F_n) A presentation for Aut(F_n)

2007-01-31

arxiv.org/abs/math/0701937v4

Mathematics

Group Theory

Missing relation added. Final version to appear in Journal of Group Theory

Scientific paper

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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