Northwestern University, summer 2020

étale reading group

The full moon over the sea at high tide

Time: Mondays 1:00pm-1:50pm, Thursdays 12:00pm-12:50pm.
Location: Zoom
Remark: We started on Thursday, July 2 and the final talk was on Thursday, September 10.

Notes:

  1. introduction - Viktor Burghardt
  2. étale morphisms - Adam Holeman
  3. Grothendieck topologies, sites and fpqc - Viktor Burghardt
  4. sheaf cohomology - Eivind Hjelle
  5. Čech cohomology - Eivind Hjelle
  6. descent theory (read at your own risk) - Stephan Snegirov
  7. vector bundles (read at your own risk) - Stephan Snegirov
  8. curves - Adam Holeman
  9. Tsen's theorem - Adam Holeman
  10. forms part 1 (read at your own risk) - Stephan Snegirov
  11. forms part 2 (read at your own risk) - Stephan Snegirov
  12. curves part 2 - Carlos Cortez
  13. curves part 3 - Carlos Cortez
  14. six functors part 0 (read at your own risk) - Stephan Snegirov
  15. cohomology of number fields - Eivind Hjelle
  16. shapes - Viktor Burghardt
  17. the shape of the integers - Viktor Burghardt

Exercises, Solutions. The solutions shall be thought of as proof inspirations.




References:

  1. Milne's lecture notes
  2. Etale Cohomology Seminar at UIUC (Daniel Carmody)
  3. notes from a class by J. de Jong
  4. notes from a class by Prof. Dr. Uwe Jannsen
  5. notes Davide Lombardo & Andrea Maffei
  6. Fundamental Algebraic Geometry: Grothendieck's FGA Explained

organized by: Viktor Burghardt and Eivind Hjelle