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

来源：

LINEAR ALGEBRA AND ITS APPLICATIONS | 1996年 / 244卷

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

页码：97 / 109

页数：13

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