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Iskovskikh Seminar
October 13, 2011 19:00, Moscow, Steklov Mathematical Institute, room 540
 


Normal subgroups of Cremona group

K. A. Shramov

Steklov Mathematical Institute, Russian Academy of Sciences

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Abstract: Following Lamy and Cantat, we show how to derive the existence of non-trivial normal subgroups in the Cremona group $Bir(\mathbb P^2)$ from certain statements of hyperbolic geometry.

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