Enumerating two permutation classes by the number of cycles
We enumerate permutations in the two permutation classes $\text{Av}_n(312, 4321)$ and $\text{Av}_n(321, 4123)$ by the number of cycles each permutation admits. We also refine this enumeration with respect to several statistics.
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| Format: | Article |
| Language: | English |
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Discrete Mathematics & Theoretical Computer Science
2022-10-01
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| Series: | Discrete Mathematics & Theoretical Computer Science |
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| Online Access: | https://dmtcs.episciences.org/6173/pdf |