Perfect Graphs - Numberphile
16:24
Planar Graphs - Numberphile
24:57
A Breakthrough in Graph Theory - Numberphile
13:00
Frieze Patterns - Numberphile
14:18
The Four Color Map Theorem - Numberphile
16:34
Matrix Factorization - Numberphile
15:11
The Foundation of Mathematics - Numberphile
12:36
Amazing Graphs - Numberphile
11:39