Introductory Combinatorics (5th Edition)
<p style="margin:0px;"> </p> <i> <p style="margin:0px;"> <b>Appropriate for one- or two-semester, junior- to senior-level combinatorics courses.</b> </p> <p style="margin:0px;"> <br> </p> <p style="margin:0px;">This trusted best-seller covers the key combinatorial ideas€“including the pigeon-hole principle, counting techniques, permutations and combinations, P³lya counting, binomial coefficients, inclusion-exclusion principle, generating functions and recurrence relations, combinatortial structures (matchings, designs, graphs), and flows in networks. The Fifth Edition incorporates feedback from users to the exposition throughout and adds a wealth of new exercises.</p> </i>