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Note A major index for matchings and set partitions
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由 WYC Chen 著作2008被引用 9 次 — Abstract. We introduce a statistic pmaj ( P ) for partitions of [ n ] , and show that it is equidistributed with cr 2 , the number of 2-crossings, over all ...
A major index for matchings and set partitions - math
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由 WYC Chen 著作2007被引用 9 次 — This generalizes the classical result of equidistribution for the permutation statistics inversion number and major index. Comments: 17 pages, 9 ...
A Major Index for Matchings and Set Partitions
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由 WYC Chen 著作被引用 9 次 — A (perfect) matching of [n] is a par- tition of [n] in which each block contains exactly two elements. Denote by Πn the set of all partitions of [n]. Following ...
A major index for matchings and set partitions
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We introduce a statistic $\pmaj$ on partitions of $[n]=\{1,2,..., n\}$, and show that it is equidistributed with the number of 2-crossings over partitions ...
A major index for matchings and set partitions
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由 WYC Chen 著作2008被引用 9 次 — Abstract. We introduce a statistic pmaj(P ) for partitions of [n], and show that it is equidistributed with cr2, the number of 2-crossings, ...
A major index for matchings and set partitions | Request PDF
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2024年12月5日 — In this paper we present an algorithm for optimum realization of n × n distance matrix by a weighted digraph. The method has two major steps. In ...
A major index for matchings and set partitions
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由 WYC Chen 著作2008被引用 9 次 — Title. A major index for matchings and set partitions; A major statistic for matchings and partitions ; Publication Details. Journal of combinatorial theory.
A major index for matchings and set partitions | Request PDF
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2024年12月13日 — We introduce a statistic pmaj(P) for partitions of [n], and show that it is equidistributed with cr2, the number of 2-crossings, over all ...
[PDF] A major index for matchings and set partitions
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A major index for matchings and set partitions · William Y. C. Chen, I. Gessel, +1 author. A. Yang · Published in Journal of Combinatorial… 3 January 2007 ...
A major index for matchings and set partitions
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由 WYC Chen 著作2008被引用 9 次 — We introduce a statistic pmaj(P) for partitions of [n], and show that it is equidistributed with cr"2, the number of 2-crossings, over all partitions of [n] ...