On joint numerical ranges

DOI10.2140/pjm.1978.77.303zbMath0401.47004OpenAlexW1997093750MaRDI QIDQ1255210

Brushan L. Wadhwa, John J. Buoni

Publication date: 1978

Published in: Pacific Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2140/pjm.1978.77.303

zbMATH Keywords

Joint Approximate Reducing EigenvaluesJoint Numerical RangeJoint Numerical Status

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Numerical range, numerical radius (47A12) General theory of (C^*)-algebras (46L05)

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Joint numerical ranges for unbounded normal operators, Joint k-numerical ranges of operators, On the joint numerical spectrum in Banach spaces, Roberts orthogonality and Davis-Wielandt shell, Maps preserving the joint numerical radius distance of operators, Two distance preservers of generalized numerical radii