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| Preface | p. xi |
| Acknowledgments | p. xiii |
| What Is Enumerative Combinatorics? | p. 1 |
| How to Count | p. 1 |
| Sets and Multisets | p. 15 |
| Cycles and Inversions | p. 22 |
| Descents | p. 31 |
| Geometric Representations of Permutations | p. 41 |
| Alternating Permutations, Euler Numbers, and the cd-lndex of $$$n | p. 46 |
| Permutations of Multisets | ... MOREp. 54 |
| Partition Identities | p. 61 |
| The Twelvefold Way | p. 71 |
| Two q-Analogues of Permutations | p. 80 |
| Notes | p. 97 |
| Bibliography | p. 100 |
| Exercises for Chapter 1 | p. 103 |
| Solutions to Exercises | p. 141 |
| Sieve Methods | p. 195 |
| Inclusion-Exclusion | p. 195 |
| Examples and Special Cases | p. 198 |
| Permutations with Restricted Position | p. 202 |
| Ferrers Boards | p. 207 |
| V-Partitions and Unimodal Sequences | p. 209 |
| Involutions | p. 212 |
| Determinants | p. 215 |
| Notes | p. 218 |
| Bibliography | p. 219 |
| Exercises for Chapter 2 | p. 220 |
| Solutions to Exercises | p. 231 |
| Partially Ordered Sets | p. 241 |
| Basic Concepts | p. 241 |
| New Posets from Old | p. 246 |
| Lattices | p. 248 |
| Distributive Lattices | p. 252 |
| Chains in Distributive Lattices | p. 256 |
| Incidence Algebras | p. 261 |
| The Möbius Inversion Formula | p. 264 |
| Techniques for Computing Möbius Functions | p. 266 |
| Lattices and Their Möbius Functions | p. 274 |
| The Mobius Function of a Semimodular Lattice | p. 277 |
| Hyperplane Arrangements | p. 280 |
| Zeta Polynomials | p. 291 |
| Rank Selection | p. 293 |
| R-Labelings | p. 295 |
| (P,¿)-Partitions | p. 298 |
| Eulerian Posets | p. 310 |
| The cd-Index of an Eulerian Poset | p. 315 |
| Binomial Posets and Generating Functions | p. 320 |
| An Application to Permutation Enumeration | p. 327 |
| Promotion and Evacuation | p. 330 |
| Differential Posets | p. 334 |
| Notes | p. 345 |
| Bibliography | p. 349 |
| Exercises for Chapter 3 | p. 353 |
| Solutions to Exercises | p. 408 |
| Rational Generating Functions | p. 464 |
| Rational Power Series in One Variable | p. 464 |
| Further Ramifications | p. 467 |
| Polynomials | p. 471 |
| Quasipolynomials | p. 474 |
| Linear Homogeneous Diophantine Equations | p. 475 |
| Applications | p. 488 |
| The Transfer-Matrix Method | p. 500 |
| Notes | p. 523 |
| Bibliography | p. 526 |
| Exercises for Chapter 4 | p. 528 |
| Solutions to Exercises | p. 548 |
| Appendix: Graph Theory Terminology | p. 571 |
| First Edition Numbering | p. 575 |
| List of Notation (Partial) | p. 581 |
| Index | p. 585 |
| Table of Contents provided by Ingram. All Rights Reserved. |