Schemes 20: Group schemes
23:55
Schemes 21: Separated morphisms
1:06:28
Finite Group Schemes - John Tate
34:31
Norms and Sums of Two Squares
34:15
Representations of GL2
32:05
Elliptic functions 1. Weierstrass function.
52:32
René Schoof: Finite flat group schemes over Z
24:52
Group Schemes: quotients
21:14