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The 26 Wilf-equivalence classes of length five quasi-consecutive patterns. (arXiv:1609.04626v2 [math.CO] UPDATED)
来源于:arXiv
We present two families of Wilf-equivalences for consecutive and
quasi-consecutive vincular patterns. These give new proofs of the
classification of consecutive patterns of length $4$ and $5$. We then prove
additional equivalences to explicitly classify all quasi-consecutive patterns
of length $5$ into 26 Wilf-equivalence classes. 查看全文>>