Seminar series
Date
Tue, 22 Feb 2011
17:00
17:00
Location
L2
Speaker
Lars Louder
Organisation
Oxford
I will prove that generating sets of surface groups are either reducible or Nielsen equivalent to standard generating sets, improving upon a theorem of Zieschang. Equivalently, Aut(F_n) acts transitively on Epi(F_n,S) when S is a surface group.