scientific article

zbMATH Open0523.47001MaRDI QIDQ3036114

Author name not available (Why is that?)

Publication date: 1983

Title of this publication is not available (Why is that?)

zbMATH Keywords

closure of the numerical rangelone extreme pointsunattained extreme points

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12)

Related Items (1)

On the boundary of numerical ranges of operators

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