Operators with numerical range in a parabola

zbMath1069.47003MaRDI QIDQ1881531

Michel Crouzeix

Publication date: 5 October 2004

Published in: Archiv der Mathematik (Search for Journal in Brave)

zbMATH Keywords

numerical rangefunctional calculus

Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Numerical range, numerical radius (47A12)

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