Estimation of the eigenvalues and the smallest singular value of matrices |
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| Authors: | Limin Zou Youyi Jiang |
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| Institution: | College of Mathematics and Computer Science, Chongqing Three Gorges University, Chongqing 404000, PR China |
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| Abstract: | The purpose of this paper is to discuss the estimation of eigenvalues and the smallest singular value of matrices. Firstly, we prove that all the eigenvalues of arbitrarily complex matrix are located in one closed disk around  of radius |
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| Keywords: | 15A18 |
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