Matrices

Matrices are graphs and graphs are matrices

0:00 - Matrices are graphs
1:24 - The connectivity of directed graphs
2:40 - Connectivity and matrix structure
4:26 - Reducible and irreducible matrices
5:43 - Transposition matrices
7:30 - Permutation matrices
8:15 - The Frobenius normal form
11:37 - Graphs are matrices