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arxiv: 1304.4813 · v1 · pith:7X2XC6YJnew · submitted 2013-04-17 · 🧮 math.CO

Average values of some Z-parameters in a random set partition

classification 🧮 math.CO
keywords numbersaveragepartitionsvaluesasymptoticcarlitzcircularcrossings
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We find exact and asymptotic formulas for the average values of several statistics on set partitions: of Carlitz's $q$-Stirling distributions, of the numbers of crossings in linear and circular representations of set partitions, of the numbers of overlappings and embracings, and of the numbers of occurrences of a 2-pattern.

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