most citedThe algebraic numerical range as a spectral set in Banach algebras

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math.NA2026

A Perturbation Method for Index Detection for Linear Matrix Pencils

Hanna Blazhko, Michał Wojtylak

Rigorous, non-asymptotic bounds for the Puiseux expansion of the eigenvalue at infinity are given. Error analysis is provided. Further, the expected value of the eigenvector condit…