Automorphisms of the Hatcher-Thurston complex
Geometric Topology
2007-05-23 v2 Group Theory
Abstract
Let S be a compact, connected, orientable surface of positive genus. Let HT(S) be the Hatcher-Thurston complex of S. We prove that Aut(HT(S)) is isomorphic to the extended mapping class group of S modulo its center.
Cite
@article{arxiv.math/0409033,
title = {Automorphisms of the Hatcher-Thurston complex},
author = {Elmas Irmak and Mustafa Korkmaz},
journal= {arXiv preprint arXiv:math/0409033},
year = {2007}
}
Comments
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