On spatial numerical ranges of operators on Banach spaces

zbMATH Open0636.47010MaRDI QIDQ1098077

Huche Gowda, C. Puttamadaiah

Publication date: 1988

Published in: Indian Journal of Pure \& Applied Mathematics (Search for Journal in Brave)

zbMATH Keywords

continuous spectrumextreme pointsnormal operatorspatial numerical rangeconvexoid operatorisoabelian operatorsmooth reflexive Banach space

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Numerical range, numerical radius (47A12) Algebras of operators on Banach spaces and other topological linear spaces (47L10)

Related Items (3)

NUMERICAL RADIUS OF RANK-1 OPERATORS ON BANACH SPACES ⋮ On the block numerical range of operators on arbitrary Banach spaces ⋮ Numerical boundaries for some classical Banach spaces

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