Counting Permutations by Their Rigid Patterns
β Scribed by A.N Myers
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 142 KB
- Volume
- 99
- Category
- Article
- ISSN
- 0097-3165
No coin nor oath required. For personal study only.
β¦ Synopsis
In how many permutations does the pattern t occur exactly m times? In most cases, the answer is unknown. When we search for rigid patterns, on the other hand, we obtain exact formulas for the solution, in all cases considered. # 2002 Elsevier Science (USA)
π SIMILAR VOLUMES
Theorem 4.3. For Ξ± Ξ² β 132 213 213 132 231 312 312, 231 we have s n Ξ± Ξ² = n2 n-5 for n β₯ 4 and s 3 Ξ± Ξ² = 1.
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