The numerical ranges of AB and BA

碩士 === 東吳大學 === 數學系 === 94 === Let A be an nxn matrix. The numerical range can be compact and convex set. In the matrix theory, we are interested in the equality of the numerical range. In this paper, we will discuss classes of matrices so that two matrices A,B in the respective class satisfying W(A...

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Bibliographic Details
Main Authors: Chung-Lien Ko, 柯仲連
Other Authors: Mao-Ting Chien
Format: Others
Language:zh-TW
Published: 2006
Online Access:http://ndltd.ncl.edu.tw/handle/99439714947951300616