摘要
本文证明了任意两个ｎ阶复矩阵Ａ和Ｂ为对角相似的充要条件是：它们有相同的伴随有向图，并且以此有向图为基础有向图，以Ａ和Ｂ的对应非零元素比值为弧权值的赋权有向图满足“无向圈平衡条件”。
We prove that the necessary and sufficient condition for the diagonal similarity of any two complex matrices is: they have the same associated digraph and the weighted digraph based on the associated digraph with weights equal to the ratio of the corresponding nonzero entries of A and B satisfying the “balanced conditions for undirected cycles”. We also give an application of our diagonal similarity criteria to the spectral theory of nonnegative matrices.
出处
《数学杂志》
CSCD
1997年第1期105-112,共8页
Journal of Mathematics
基金
国家自然科学基金
