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math.FA2022
Global properties of eigenvalues of parametric rank one perturbations for unstructured and structured matrices II
Andre Ran, Michal Wojtylak
We present in this note a correction to Theorem 17 in our earlier paper "Global properties of eigenvalues of parametric rank one perturbations for structured and unstructured matri…
math.CV2022
Stability Of Matrix Polynomials In One And Several Variables
Oskar Jakub Szymański, Michał Wojtylak
The paper presents methods of eigenvalue localisation of regular matrix polynomials, in particular, stability of matrix polynomials is investigated. For this aim a stronger notion…