Numerical Ranges of 4x4 Reducible Companion Matrices

被引：0
|
作者：
Li, Hongkui
Liu, Xueting
Guan, Enjing
机构：
来源：
ACC 2009: ETP/IITA WORLD CONGRESS IN APPLIED COMPUTING, COMPUTER SCIENCE, AND COMPUTER ENGINEERING | 2009年
关键词：
Numerical range; Companion matrix; elliptic disc; reducible;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The numerical range has many applications to different branches of applied science, systems theory, quantum physics, and so on. let A be a bounded operator on complex Hilbert Space, the numerical range of A is defined to be W(A) = {x*Ax: X is an element of C-n, vertical bar X vertical bar=1} In this paper, we present some properties of numerical ranges of 4x4 reducible companion matrices.
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页码：60 / 63
页数：4
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