Automorphisms of the disk complex
Geometric Topology
2009-10-13 v1
Abstract
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.
Cite
@article{arxiv.0910.2038,
title = {Automorphisms of the disk complex},
author = {Mustafa Korkmaz and Saul Schleimer},
journal= {arXiv preprint arXiv:0910.2038},
year = {2009}
}
Comments
19 pages, 2 figures