What is Group Theory? — Group Theory Ep. 1
35:27
Simplifying problems with isomorphisms, explained — Group Theory Ep. 2
29:10
La hipótesis del continuo: el problema que ROMPIÓ las matemáticas
45:00
(Co)Products: motivating category theory
45:04
Why There's 'No' Quintic Formula (proof without Galois theory)
21:58
Group theory, abstraction, and the 196,883-dimensional monster
33:01
The Man Who Almost Broke Math (And Himself...)
27:40
The Biggest Misconception In Physics
13:19