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Iskovskikh Seminar
September 22, 2016 18:00, Moscow, Steklov Mathematical Institute, room 540
 


Abelianisation of the real plane Cremona group (following S. Zimmermann)

E. A. Yasinsky

Lomonosov Moscow State University, Faculty of Mechanics and Mathematics

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Abstract: Following the recent work of Susanna Zimmermann, I will explain why the abelianisation of the group of birational automorphisms of the real projective plane is isomorphic to $\bigoplus_{\mathbb{R}}\mathbb{Z}/2\mathbb{Z}$.

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