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Cremona groups and birational rigidity

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Speaker: 
Yuri Prokhorov
Affiliation: 
Steklov Math. Inst, Moscow/MPIM
Date: 
Thu, 09/07/2015 - 15:00 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
MPI-Oberseminar

The Cremona group Cr(n) in n variables is the group of
birational selfmaps of
the projective space P^n.
The classification of finite subgroups of Cr(n) is a classical problem which
is completed now only in dimension n=2.
We discuss higher-dimensional generalizations and relations between this
problem
and  the notion of equivariant birational rigidity.

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