On Wilf Equivalence for Alternating Permutations
Copyright policy )On Wilf Equivalence for Alternating Permutations
In this paper, we obtain several new classes of Wilf-equivalent patterns for alternating permutations. In particular, we prove that for any nonempty pattern $\tau$, the patterns $12\ldots k\oplus\tau$ and $k\ldots 21\oplus\tau$ are Wilf-equivalent for alternating permutations, paralleling a result of Backelin, West, and Xin for Wilf equivalence for permutations.
- Zhejiang Normal University China (People's Republic of)
Permutations, words, matrices, alternating Young diagram, pattern avoiding, Wilf-equivalent, Combinatorial aspects of representation theory, Enumeration in graph theory, alternating permutation
Permutations, words, matrices, alternating Young diagram, pattern avoiding, Wilf-equivalent, Combinatorial aspects of representation theory, Enumeration in graph theory, alternating permutation
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