On extreme points of the joint numerical range of commuting normal operators
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Publication:1235377
DOI10.2140/pjm.1976.67.473zbMath0351.47002OpenAlexW2022023297MaRDI QIDQ1235377
Publication date: 1976
Published in: Pacific Journal of Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2140/pjm.1976.67.473
Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Spectrum, resolvent (47A10)
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