Complex spectrally arbitrary zero-nonzero patterns

被引:6
|
作者
McDonald, J. J. [1 ]
Yielding, A. A. [2 ]
机构
[1] Washington State Univ, Dept Math, Pullman, WA 99164 USA
[2] Eastern Oregon Univ, Dept Math, La Grande, OR 97850 USA
来源
LINEAR & MULTILINEAR ALGEBRA | 2012年 / 60卷 / 01期
关键词
spectrally arbitrary; zero-nonzero patterns; complex matrices; SIGN PATTERNS; MATRICES; ORDER-4;
D O I
10.1080/03081087.2010.512730
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this article, we highlight interesting properties of complex spectrally arbitrary zero-nonzero patterns. In particular, we investigate irreducible complex spectrally arbitrary zero-nonzero patterns for which all Jacobians are zero at every nilpotent realization. We also study complex spectrally arbitrary patterns whose corresponding directed graph does not contain a two-cycle. Lastly, we provide a complete list of all 3 x 3 and 4 x 4 complex spectrally arbitrary zero-nonzero patterns.
引用
收藏
页码:11 / 26
页数:16
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