-Algebra makes computation faster, some cute examples
-Matrix-Tree Theorem
-Some Proofs on graphs
-Why Some Languages are Nonregular (The Pumping Lemma)
-Ramanujan Graphs (The best expanders)
-Finding Cut-Vertices and the Biconnected Components
-A Warm-up with Matrices
-Bad, Good, Better, Best Matrices
-Some Proofs on Matrices
-Basic Maths of Principal Component Analysis (PCA)