# Perturbed spectra of defective matrices

@article{Konstantinov2003PerturbedSO, title={Perturbed spectra of defective matrices}, author={Mihail Konstantinov and Volker Mehrmann and Petko Hr. Petkov}, journal={Journal of Applied Mathematics}, year={2003}, volume={2003}, pages={115-140} }

This paper is devoted to the perturbation theory for defective matrices. We consider the asymptotic expansions of the perturbed spectrum when a matrix A is changed to A

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