A characterization of trace zero nonnegative 5x5 matrices

被引：0

作者：

Laffey, TJ ^{[1
]}

Meehan, E ^{[1
]}

机构：

[1] Univ Coll Dublin, Dept Math, Dublin 2, Ireland

来源：

LINEAR ALGEBRA AND ITS APPLICATIONS | 1999年 / 303卷

关键词：

matrix; spectrum; graph; cycles; Petersen graph; nonnegative inverse eigenvalue problem;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Let sigma = (lambda(1), lambda(2), lambda(3), lambda(4), lambda(5),) be a list of complex numbers with lambda(1) + lambda(2) + lambda(3) + lambda(4) + lambda(5) = 0. Necessary and sufficient conditions for the existence of an entry-wise nonnegative 5 x 5 matrix A with spectrum sigma are presented. (C) 1999 Elsevier Science Inc. All rights reserved.

引用

页码：295 / 302

页数：8

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