Sign-nonsingular skew-symmetric matrices with the most nonzero entries

被引:0
|
作者
Gibson, PM
机构
[1] Department of Mathematical Sciences, University of Alabama in Huntsville, Huntsville
关键词
D O I
10.1016/0024-3795(94)00215-0
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
It is shown that a sign-nonsingular skew-symmetric matrix of order 2n, n greater than or equal to 3, has at most 2(n(2) + n - 1) nonzero entries, and matrices for which equality holds are characterized.
引用
收藏
页码:97 / 109
页数:13
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