Zero-flee regions for a rational function with applications |
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| Authors: | John W. Jones Bruno D. Welfert |
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| Affiliation: | 1. Department of Mathematics, Arizona State University, 85287-1804, Tempe, AZ, USA
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| Abstract: | In this paper, we study a rational function which plays an important role in several problems of interest (eigenvalue problems, linear control theory, ... ). Our main interest is to determine zero-free regions. We also derive upper and lower bounds for this function. |
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