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zbMath0525.47003MaRDI QIDQ3039953

Vern I. Paulsen

Publication date: 1982

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Calkin algebra compact perturbation essential matrix C*-convexity block-diagonal operators range of Hilbert space operators

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Perturbation theory of linear operators (47A55) States of selfadjoint operator algebras (46L30)

Related Items (3)

Convexity and star-shapedness of matricial range ⋮ Preservation of the joint essential matricial range ⋮ Unnamed Item

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