On an isolated eigenvalue of a matrix and the structure of the corresponding eigenvector

DOI10.1016/S0041-5553(83)80070-6zbMath0569.65030MaRDI QIDQ3685941

V. A. Pupkov

Publication date: 1983

Published in: USSR Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

Hermitian matricessymmetric matricesnonsingularlocalization of eigenvaluesGershgorin circles

Mathematics Subject Classification ID

Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Inequalities involving eigenvalues and eigenvectors (15A42)

Related Items (4)

Some remarks on a theorem of Gudkov ⋮ Geršgorin variations. I: On a theme of Pupkov and Solov'ev ⋮ A nonsingularlity criterion for complex matrices ⋮ \(H\)-matrices and \(S\)-doubly diagonally dominant matrices

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