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Iskovskikh Seminar
April 21, 2011 18:00, Moscow, Steklov Mathematical Institute, room 530
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The rank 2 Cremona group is hopfian (by a paper by J. Deserti)
Yu. Tsymbalov |
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Abstract:
We describe automorphisms of rank 2 Cremona group. We show that it is
hopfian. In particular we prove that any rank 2 Cremona group
automorphism is inner up to an automorphism of the base field.
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