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Iskovskikh Seminar
April 24, 2014 18:00, Moscow, Steklov Mathematical Institute, room 540
 


Ekedahl invariants

A. Fonarev

Steklov Mathematical Institute of the Russian Academy of Sciences

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Abstract: Well discuss some basic facts about cohomological invariants of finite groups, introduced not so long ago by the late Ekedahl. These invariants are somehow related to the Noether rationality problem (for the Saltman–Swan counter example they turn out to be non-trivial).

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