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Overview
Product Details
ISBN-13: | 9781032223506 |
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Publisher: | CRC Press |
Publication date: | 08/26/2024 |
Series: | Discrete Mathematics and Its Applications |
Edition description: | 3rd ed. |
Pages: | 528 |
Product dimensions: | 6.12(w) x 9.19(h) x (d) |
About the Author
Miklós Bóna received his Ph.D in mathematics from the Massachusetts Institute of Technology in 1997. Since 1999, he has taught at the University of Florida, where, in 2010, he was inducted into the Academy of Distinguished Teaching Scholars. Professor Bóna has mentored numerous graduate and undergraduate students. He is the author of four books and more than 65 research articles, mostly focusing on enumerative and analytic combinatorics. His book, Combinatorics of Permutations, won a 2006 Outstanding Title Award from Choice, the journal of the American Library Association. He is also an editor-in-chief for the Electronic Journal of Combinatorics, and for two book series at CRC Press.
Table of Contents
No Way Around It. Introduction | 1 | |
1 | In One Line And Close. Permutations as Linear Orders. Runs | 3 |
1.1 | Descents | 3 |
1.1.1 | The definition of descents | 3 |
1.1.2 | Eulerian numbers | 4 |
1.1.3 | Stirling numbers and Eulerian numbers | 11 |
1.1.4 | Generating functions and Eulerian numbers | 14 |
1.1.5 | The sequence of Eulerian numbers | 16 |
1.2 | Alternating runs | 24 |
Exercises | 31 | |
Problems Plus | 36 | |
Solutions to Problems Plus | 38 | |
2 | In One Line And Anywhere. Permutations as Linear Orders. Inversions | 43 |
2.1 | Inversions | 43 |
2.1.1 | The generating function of permutations by inversions | 43 |
2.1.2 | Major index | 52 |
2.1.3 | An Application: Determinants and Graphs | 55 |
2.2 | Inversions in Permutations of Multisets | 57 |
2.2.1 | Inversions and Gaussian Coefficients | 60 |
2.2.2 | Major Index and Permutations of Multisets | 61 |
Exercises | 64 | |
Problems Plus | 67 | |
Solutions to Problems Plus | 69 | |
3 | In Many Circles. Permutations as Products of Cycles | 73 |
3.1 | Decomposing a permutation into cycles | 73 |
3.1.1 | An Application: Sign and Determinants | 75 |
3.1.2 | An Application: Geometric transformations | 78 |
3.2 | Type and Stirling numbers | 79 |
3.2.1 | The type of a permutation | 79 |
3.2.2 | An Application: Conjugate permutations | 80 |
3.2.3 | An Application: Trees and Transpositions | 81 |
3.2.4 | Permutations with a given number of cycles | 85 |
3.2.5 | Generating functions for Stirling numbers | 92 |
3.2.6 | An Application: Real Zeros and Probability | 95 |
3.3 | Cycle Decomposition versus Linear Order | 96 |
3.3.1 | The Transition Lemma | 96 |
3.3.2 | Applications of the Transition Lemma | 98 |
3.4 | Permutations with restricted cycle structure | 100 |
3.4.1 | The exponential formula | 100 |
3.4.2 | The cycle index and its applications | 110 |
Exercises | 115 | |
Problems Plus | 120 | |
Solutions to Problems Plus | 123 | |
4 | In Any Way But This. Pattern Avoidance. The Basics | 129 |
4.1 | The notion of Pattern avoidance | 129 |
4.2 | Patterns of length three | 130 |
4.3 | Monotone Patterns | 133 |
4.4 | Patterns of length four | 135 |
4.4.1 | The Pattern 1324 | 137 |
4.4.2 | The Pattern 1342 | 144 |
4.4.3 | The Pattern 1234 | 158 |
4.5 | The Proof of The Stanley-Wilf Conjecture | 159 |
4.5.1 | The Furedi-Hajnal conjecture | 159 |
4.5.2 | Avoiding Matrices vs. Avoiding Permutations | 160 |
4.5.3 | The Proof of the Furedi-Hajnal conjecture | 161 |
Exercises | 164 | |
Problems Plus | 168 | |
Solutions to Problems Plus | 170 | |
5 | In This Way, But Nicely. Pattern Avoidance. Followup | 175 |
5.1 | Polynomial Recursions | 175 |
5.1.1 | Polynomially Recursive Functions | 175 |
5.1.2 | Closed Classes of Permutations | 176 |
5.1.3 | Algebraic and Rational Power Series | 178 |
5.1.4 | The P-recursiveness of S[subscript n,r](132) | 182 |
5.2 | Containing a pattern many times | 191 |
5.2.1 | Packing Densities | 191 |
5.2.2 | Layered Patterns | 193 |
5.3 | Containing a pattern a given number of times | 198 |
5.3.1 | A Construction With a Given Number of Copies | 199 |
5.3.2 | The sequence {k[subscript n]}[subscript n greater than or equal 0] | 201 |
Exercises | 205 | |
Problems Plus | 207 | |
Solutions to Problems Plus | 208 | |
6 | Mean and Insensitive. Random Permutations | 213 |
6.1 | The Probabilistic Viewpoint | 213 |
6.1.1 | Standard Young Tableaux | 214 |
6.2 | Expectation | 229 |
6.2.1 | Linearity of Expectation | 231 |
6.3 | Variance and Standard Deviation | 233 |
6.4 | An Application: Longest Increasing Subsequences | 237 |
Exercises | 238 | |
Problems Plus | 242 | |
Solutions to Problems Plus | 243 | |
7 | Permutations vs. Everything Else. Algebraic Combinatorics of Permutations | 247 |
7.1 | The Robinson-Schensted-Knuth correspondence | 247 |
7.2 | Posets of permutations | 257 |
7.2.1 | Posets on S[subscript n] | 257 |
7.2.2 | Posets on Pattern Avoiding Permutations | 265 |
7.2.3 | An Infinite Poset of Permutations | 267 |
7.3 | Simplicial Complexes of permutations | 269 |
7.3.1 | A Simplicial Complex of Restricted Permutations | 269 |
7.3.2 | A Simplicial Complex of All n-Permutations | 271 |
Exercises | 272 | |
Problems Plus | 276 | |
Solutions to Problems Plus | 278 | |
8 | Get Them All. Algorithms and Permutations | 283 |
8.1 | Generating Permutations | 283 |
8.1.1 | Generating All n-permutations | 283 |
8.1.2 | Generating Restricted Permutations | 284 |
8.2 | Stack Sorting Permutations | 287 |
8.2.1 | 2-Stack Sortable Permutations | 289 |
8.2.2 | t-Stack Sortable Permutations | 291 |
8.2.3 | Unimodality | 297 |
8.3 | Variations Of Stack Sorting | 300 |
Exercises | 307 | |
Problems Plus | 311 | |
Solutions to Problems Plus | 313 | |
Do Not Look Just Yet. Solutions to Odd-numbered Exercises | 319 | |
Solutions for Chapter 1319 | ||
Solutions for Chapter 2326 | ||
Solutions for Chapter 3330 | ||
Solutions for Chapter 4339 | ||
Solutions for Chapter 5347 | ||
Solutions for Chapter 6351 | ||
Solutions for Chapter 7355 | ||
Solutions for Chapter 8358 | ||
References | 363 | |
List of Frequently Used Notations | 377 | |
Index | 379 |