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Invariance of the aperiodic property for polynomials with perturbed coefficients. (English) Zbl 0708.93015

MSC:
93B35 Sensitivity (robustness)
93C05 Linear systems in control theory
30C15 Zeros of polynomials, rational functions, and other analytic functions of one complex variable (e.g., zeros of functions with bounded Dirichlet integral)
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