18:05

What are the Weil conjectures about?

27:49

Zeta functions for varieties over finite fields

22:53

Galois cohomology and descent data

26:12

How to Remember Everything You Read

13:27

What does a mathematician do in a week?

18:08

Etale cover - open cover analogy

21:24

Fibre products and Galois covers

22:32

Central simple algebras as twisted forms of matrix algebras