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Israel Gohberg
Researcher at Tel Aviv University
Publications - 456
Citations - 18760
Israel Gohberg is an academic researcher from Tel Aviv University. The author has contributed to research in topics: Matrix (mathematics) & Matrix function. The author has an hindex of 54, co-authored 456 publications receiving 18177 citations. Previous affiliations of Israel Gohberg include Bar-Ilan University & VU University Amsterdam.
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Perturbation of analytic hermitian matrix functions
TL;DR: In this paper, the behavior of real eigenvalues of selfadjoint analytic matrix valued functions under small self-adjoint analytical perturbations is studied, focusing mainly on the case when the perturbation is definite (or semidefi-nite).