Adjacent q-cycles in permutations
classification
🧮 math.CO
keywords
lengthpermutationsstatisticadjacentconsecutiveconsiderconsideredconsisting
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We introduce a new permutation statistic, namely, the number of cycles of length $q$ consisting of consecutive integers, and consider the distribution of this statistic among the permutations of $\{1,2,...,n\}$. We determine explicit formulas, recurrence relations, and ordinary and exponential generating functions. A generalization to more than one fixed length is also considered.
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