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arXiv:0910.2038 [math.GT]AbstractReferencesReviewsResources

Automorphisms of the disk complex

Mustafa Korkmaz, Saul Schleimer

Published 2009-10-11Version 1

We show that the automorphism group of the disk complex is isomorphic to the handlebody group. Using this, we prove that the outer automorphism group of the handlebody group is trivial.

Comments: 19 pages, 2 figures
Categories: math.GT
Subjects: 57M99, 20E36
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