Criteria for Robust Stability of Systems with Structured Uncertainty: A Perspective

Motivated by Kharitonov's Theorem, there has been a flurry of recent literature dealing with stability of polynomials and matrices under perturbation. This paper provides a perspective on a large subset of the recent results in this area. In particular, the focal point will be perturbed polynomials and matrices with real coefficients. The study of robust control systems provides a major impetus for development of results in this area.

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