scientific article; zbMATH DE number 7340188

zbMath1474.47021MaRDI QIDQ4986557

Mohammed Benharrat, Mehdi Naimi

Publication date: 27 April 2021

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

zbMATH Keywords

numerical rangeessential numerical rangehyponormal operatoressentially normal operatorquasicompact operator

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Operators on Hilbert spaces (general) (47B02)

Related Items (1)

Numerical ranges encircled by analytic curves

Cites Work

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• On the geometry of numerical ranges
• A note on Anderson's theorem in the infinite-dimensional setting
• Numerical ranges of the powers of an operator
• Approximate unitary equivalence of normaloid type operators
• Quasicompact and Riesz endomorphisms of Banach algebras
• Anderson’s theorem for compact operators

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