Introductory CombinatoricsAppropriate for an undergraduate junior/senior level mathematics course on combinatorics. This, the best selling book in its market, emphasizes combinatorial ideas including the pigeon-hole principle, counting techniques, permutations and combinations, Pòlya counting, binomial coefficients, inclusion-exclusion principle, generating functions and recurrence relations, and combinatortial structures (matchings, designs, graphs), flows in networks. |