Article ID Journal Published Year Pages File Type
4651290 Discrete Mathematics 2006 7 Pages PDF
Abstract

In this work we count the number of involutory, unimodal, and alternating elements of the group of signed permutations BnBn, and the group of even-signed permutations DnDn. Recurrence relations, generating functions, and explicit formulas of the enumerating sequences are given.

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Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics
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Counting involutory, unimodal, and alternating signed permutations
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