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Stability radii of linear systems. (English) Zbl 0631.93064
The concepts of real and complex stability radii are introduced and some of their properties discussed.

MSC:
93D99 Stability of control systems
93B35 Sensitivity (robustness)
93C05 Linear systems in control theory
15A18 Eigenvalues, singular values, and eigenvectors
34D10 Perturbations of ordinary differential equations
47A55 Perturbation theory of linear operators
93B17 Transformations
93B28 Operator-theoretic methods
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