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Proceedings Paper

Elliptic numerical ranges of 4 x 4 reducible companion matrices
Author(s): Xueting Liu; Zhaowei Meng; Yunming Zhou; Hongkui Li
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Paper Abstract

Let A be an n-by-n complex matrix with complex number entries. Then the numerical range of A is defined to be W(A)={χ* Ax: x∈ Cn,|χ|=1}. In this paper, we study some properties of numerical ranges of 4x4 reducible companion matrices, the proposed discriminations properties of numerical ranges of 4x4 reducible companion matrices are simple, accurate and meaningful

Paper Details

Date Published: 10 July 2009
PDF: 8 pages
Proc. SPIE 7490, PIAGENG 2009: Intelligent Information, Control, and Communication Technology for Agricultural Engineering, 74901U (10 July 2009); doi: 10.1117/12.836789
Show Author Affiliations
Xueting Liu, Shandong Univ. of Technology (China)
Zhaowei Meng, Shandong Univ. of Technology (China)
Yunming Zhou, Shandong Univ. of Technology (China)
Hongkui Li, Shandong Univ. of Technology (China)


Published in SPIE Proceedings Vol. 7490:
PIAGENG 2009: Intelligent Information, Control, and Communication Technology for Agricultural Engineering
Honghua Tan; Qi Luo, Editor(s)

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