scientific article; zbMATH DE number 567089

zbMath0791.47006MaRDI QIDQ4291582

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Publication date: 13 July 1994

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zbMATH Keywords

perturbed operatorcompact subset of a component of the Fredholm regionextremal compressions

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Dilations, extensions, compressions of linear operators (47A20)

Related Items (2)

Extremal feedback perturbations for families of closed operators ⋮ On extremal perturbations of semi-Fredholm operators

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