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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
25 52

R. Terpereau - Algebraic subgroups of Cremona group 2.4

By Ronan Terpereau

The primary objective of this course is to outline key guidelines for proving the classification of maximal connected algebraic subgroups of the Cremona group in dimension 3 over an algebraically closed field. The five lectures will address the following topics: - Lecture 1: Aims and scope\, a warm-up: tori and additive groups in the Cremona groups - Lecture 2: Standard conic bundles over rational surfaces - Lecture 3: Automorphism groups of standard conic bundles whose generic fiber is not P1 - Lecture 4: Mori del Pezzo fibrations of degree at most 6 over P1 - Lecture 5: Umemura quadric fibrations over P1

Information about the video

  • Date of recording 20/06/2025
  • Date of publication 26/05/2026
  • Institution Institut Fourier
  • Licence CC BY NC ND
  • Language English
  • Format MP4

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