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COUNTING PERMUTATIONS BY NUMBERS OF EXCEDANCES, FIXED POINTS AND CYCLES
Published online by Cambridge University Press: 04 October 2011
Abstract
In this paper we present a combinatorial proof of an identity involving the two kinds of Stirling numbers and the numbers of permutations with prescribed numbers of excedances and cycles. Several recurrence relations related to the numbers of excedances, fixed points and cycles are also obtained.
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- Research Article
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- Copyright © Australian Mathematical Publishing Association Inc. 2011
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