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Stability radii of higher order positive difference systems |
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| Authors: | D. Hinrichsen Nguyen Khoa Son Pham Huu Anh Ngoc |
| Affiliation: | a Institut für Dynamische Systeme, Universität Bremen, Postfach 330 440, 28334, Bremen, Germany b Institute of Mathematics, P.O. Box 631, Bo Ho, 10000, Hanoi, Viet Nam c Department of Mathematics, University of Hue, 32 Le Loi Str., Hue City, Viet Nam |
| Abstract: | In this paper we study stability radii of positive polynomial matrices under affine perturbations of the coefficient matrices. It is shown that the real and complex stability radii coincide. Moreover, explicit formulas are derived for these stability radii and illustrated by some examples. |
| Keywords: | Positive system Polynomial matrix Robust stability Stability radius |
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