University of Basel

Department of
Mathematics and Computer Science

21 Nov 2017
10:30  - 12:00

Seminar room 00.003

Seminar Algebra and Geometry: Susanna Zimmermann (Angers)

Signature morphisms of the Cremona group of the plane

The Noether-Castelnuovo theorem implies that over algebraically closed fields there is no non-trivial homomorphism from the Cremona group of the plane to a finite group. Over non-closed fields there are many, and I would like to explain some examples.


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