Lattice Paths and Pattern-Avoiding Uniquely Sorted Permutations
Defant, Engen, and Miller defined a permutation to be uniquely sorted if it has exactly one preimage under West's stack-sorting map. We enumerate classes of uniquely sorted permutations that avoid a pattern of length three and a pattern of length four by establishing bijections between these classes...
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| Format: | Artigo |
| Sprache: | Inglês |
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Discrete Mathematics & Theoretical Computer Science
2021-08-01
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| Schriftenreihe: | Discrete Mathematics & Theoretical Computer Science |
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| Online-Zugang: | https://dmtcs.episciences.org/6494/pdf |
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