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Summer School 2025 - Cremona Group

Collection Summer School 2025 - Cremona Group

Organizer(s) Michel Brion, Emmanuel Peyre
Date(s) 09/06/2025 - 27/06/2025
linked URL https://if-summer2025.sciencesconf.org/
00:00:00 / 00:00:00
2 52

J. Blanc - Cremona group of rank 2 and rational surfaces 4

By J�r�my Blanc

I will present basic properties of the Cremona group in 2 variables. For instance\, the Noether-Castelnuovo theorem states that the group is generated by the group of automorphisms and the standard quadratic map. I will also make the link with conic bundles and del Pezzo surfaces\, which appear naturally when studying finite subgroups or more generally algebraic subgroups of the group.

Information about the video

  • Date of recording 13/06/2025
  • Date of publication 26/05/2026
  • Institution Institut Fourier
  • Licence CC BY NC ND
  • Language English
  • Format MP4

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