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Automorphisms of Surface Groups of Genus Two

M.T.Abu Osman

Pertanika Journal of Tropical Agricultural Science, Volume 11, Issue 2, August 1988

Keywords: Automorphism; surface group; mapping class group; Seifert fibre group

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The mapping class group of a surface is a quotient of the automorphism group Aut*Yofthe surface group by its normal subgroup of inner automorphism The determination ofAut^Ymay be looked upon as an extension problem This paper will give a presentation ofAut Y where Y is a surface group of genus two. The extension to Seifert fibre group will be given.

ISSN 1511-3701

e-ISSN 2231-8542

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