The normalized numerical ranges of \(2 \times 2\) matrices

DOI10.3103/S1068362311050025zbMath1302.47011MaRDI QIDQ470901

L. Z. Gevorgyan

Publication date: 13 November 2014

Published in: Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences (Search for Journal in Brave)

zbMATH Keywords

conicsnormalized numerical range

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Numerical range, numerical radius (47A12) Elementary problems in Euclidean geometries (51M04)

Related Items (1)

The normalized numerical range and the Davis-Wielandt shell

Cites Work

• Unnamed Item
• Sectorial operators and normalized numerical range.
• Angular localization of the spectrum of a multiplicative integral in a Hilbert space
• Normalized numerical ranges of some operators

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