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Two Generalizations of NOVÁK's Sequential Envelope

✍ Scribed by D. C. Kent; G. D. Richardson


Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
556 KB
Volume
91
Category
Article
ISSN
0025-584X

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Two Generalizations of Posets of Shuffle
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We study posets defined by Stanley as a multiset generalization of Greene's posets of shuffles. Ehrenborg defined a quasi-symmetric function encoding for the flag f-vector, denoted F P , and we determine F P for shuffle posets of multisets, expressing it as a Schur-positive symmetric function. This