Hinrichsen, D.; Son, N. K. Stability radii of positive discrete-time systems under affine parameter perturbations. (English) Zbl 0918.93036 Int. J. Robust Nonlinear Control 8, No. 13, 1169-1188 (1998). The stability radius of positive linear discrete-time systems with linear perturbations is considered. It is proved that real and complex stability radii are the same for block diagonal perturbations. The new results are illustrated by simple second order examples. Reviewer: E.Yaz (Fayetteville) Cited in 3 ReviewsCited in 34 Documents MSC: 93D09 Robust stability 93C55 Discrete-time control/observation systems 93B35 Sensitivity (robustness) 93C73 Perturbations in control/observation systems Keywords:robust stability; stability radius; positive linear discrete-time systems; block diagonal perturbations PDF BibTeX XML Cite \textit{D. Hinrichsen} and \textit{N. K. Son}, Int. J. Robust Nonlinear Control 8, No. 13, 1169--1188 (1998; Zbl 0918.93036)