Automorphisms of the Hatcher-Thurston complex


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Irmak E., KORKMAZ M.

ISRAEL JOURNAL OF MATHEMATICS, vol.162, no.1, pp.183-196, 2007 (SCI-Expanded, Scopus) identifier identifier

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 Ant HT(S) is isomorphic to the extended mapping class group of S modulo its center.