Pattern Avoidance by Even Permutations

Electr. J. Comb., pp. 282011.

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EI
Keywords:
alternating group

Abstract:

We study questions of even-Wilf-equivalence, the analogue of Wilf-equivalence when attention is restricted to pattern avoidance by permutations in the alternating group. Although some Wilf-equivalence results break when considering even-Wilf-equivalence analogues, we prove that other Wilf-equivalence results continue to hold in the even-...More

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