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Generalized presentations of groups, in particular of $Aut(F_\omega)$

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Speaker: 
Oleg Bogopolski
Affiliation: 
U Düsseldorf/ Novosibirsk/MPI
Date: 
Thu, 2010-10-14 15:00 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
MPI-Oberseminar

The fundamental group of the Hawaiian Earring is not free. However it behaves like free and it can be used to develop a theory of generalized presentations of groups. We give clear generalized presentatons of any symmetric group and of the automorphism group of the free group of infinite countable rang. This is a joint work with W. Singhof.

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