Signed Excedance Enumeration in the Hyperoctahedral group

被引：0

作者：

Sivasubramanian, Sivaramakrishnan ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Math, Bombay 400076, Maharashtra, India

来源：

ELECTRONIC JOURNAL OF COMBINATORICS | 2014年 / 21卷 / 02期

关键词：

Signed excedance; permutation group; hyperoctahedral group;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Several signed excedance-like statistics have nice formulae or generating functions when summed over the symmetric group and over its subset of derangements. We give counterparts of some of these results when we sum over the hyperoctahedral group and its subset of derangements. Our results motivate us to define and derive attractive bivariate formulae which generalise some of these results for the symmetric group.

引用

页数：16

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