On joint numerical ranges and joint normaloids in a C *-algebra

DOI10.21099/TKBJM/1496160394zbMath0641.46032OpenAlexW1905031729MaRDI QIDQ1100692

C. Puttamadaiah, K. R. Unni

Publication date: 1986

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

Full work available at URL: https://doi.org/10.21099/tkbjm/1496160394

zbMATH Keywords

C * algebrasevery statejoint normaloidsjoint numerical ranges

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) General theory of (C^*)-algebras (46L05) States of selfadjoint operator algebras (46L30)

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