Sporadic groups
21:29
Undergraduate math talk: The abc conjecture
32:59
Why Do Sporadic Groups Exist?
51:40
Monstrous moonshine
45:07
How to Construct Every Symmetry | Decomposition, Extension, and Classification of Groups
27:49
Math talk: Sporadic groups and number theory
1:21:45
Sporadic Groups - Prof Richard Borcherds - The Archimedeans
24:34
Galois theory: Introduction
18:05