On the ranks of skew-centrosymmetric matrices over finite fields

被引:7
作者
Culler, KW [1 ]
Price, GL [1 ]
机构
[1] USN ACAD,DEPT MATH 9E,ANNAPOLIS,MD 21402
基金
美国国家科学基金会;
关键词
D O I
10.1016/0024-3795(95)00249-9
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
For any finite field F we determine the number of n by n matrices of skew-centrosymmetric form which are invertible over F. This result is obtained using a unimodality property of the ranks of matrices of this form. As a corollary to this result we count die n by n matrices of skew-centrosymmetric form of any specified rank.
引用
收藏
页码:317 / 325
页数:9
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