Counting involutory, unimodal, and alternating signed permutations

被引：9
|
作者：
Chow, Chak-On [1 ]
机构：
[1] Acad Sinica, Inst Math, Taipei 11529, Taiwan
来源：
DISCRETE MATHEMATICS | 2006年 / 306卷 / 18期
关键词：
involutions; unimodal; alternating; signed permutations;
D O I：
10.1016/j.disc.2006.04.018
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this work we count the number of involutory, unimodal, and alternating elements of the group of signed permutations B-n, and the group of even-signed permutations D, Recurrence relations, generating functions, and explicit formulas of the enumerating sequences are given. (c) 2006 Elsevier B.V. All rights reserved.
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页码：2222 / 2228
页数：7
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