Discrete Mathematics - Lecture notes
https://www.isibang.ac.in/~d.yogesh/Course_Notes/DM1/main.pdf
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10.4
Product Structures
11.1
Graph coloring
Chapter 11
***Chromatic number and polynomials***
11.1
Graph coloring
11.2
Chromatic Polynomials
11.3
Some bounds on chromatic number.
11.4
Edge-Chromatic number
11.5
***Read’s conjecture and Matroids***