scientific article

zbMATH Open0558.47021MaRDI QIDQ3223402

Hongke Du

Publication date: 1984

Title of this publication is not available (Why is that?)

zbMATH Keywords

numerical rangecharacterizations of normal and hyponormal operators

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Subnormal operators, hyponormal operators, etc. (47B20) Numerical range, numerical radius (47A12)

Related Items (4)

Title not available (Why is that?) ⋮ Title not available (Why is that?) ⋮ Title not available (Why is that?) ⋮ On the Characterization of Normal Closed Range Operators Maryam Khosravi

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