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arXiv 2003.09344math.CO
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Möbius Functions of Some Annular Noncrossing Objects

C. E. I. Redelmeier

英文摘要:

We present the Möbius functions of several posets of annular noncrossing objects, namely a self-dual extension of the annular noncrossing permutations, minimal length annular partitioned permutations, and annular noncrossing partitons.

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