A refinement of von Neumann-Heinz theorem and related inequalities

DOI10.3103/S1068362308020027zbMath1187.47007OpenAlexW2076309445MaRDI QIDQ732217

L. Z. Gevorgyan

Publication date: 9 October 2009

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

Full work available at URL: https://doi.org/10.3103/s1068362308020027

zbMATH Keywords

numerical rangevon Neumann's inequality

Mathematics Subject Classification ID

Linear operator inequalities (47A63) Functional calculus for linear operators (47A60) Numerical range, numerical radius (47A12) Linear accretive operators, dissipative operators, etc. (47B44)

Cites Work

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• On the Numerical Radius of a Linear Operator
• Mapping Theorems for the Numerical Range
• Eine Spektraltheorie für allgemeine Operatoren eines unitären Raumes. Erhard Schmidt zum 75. Geburtstag in Verehrung gewidmet

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