Imbedding elements whose numerical range has a vertex at zero in holomorphic semigroups

DOI10.1017/S0013091500003229zbMath0609.47011MaRDI QIDQ3749603

Angel Rodriguez Palacios, Juan Martínez Moreno

Publication date: 1985

Published in: Proceedings of the Edinburgh Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

Banach algebranumerical rangeholomorphic semigroupclosed angular section

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Groups and semigroups of linear operators (47D03) General theory of topological algebras (46H05)

Cites Work

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• Some extremal problems in the theory of numerical ranges
• The Numerical Range in Banach Algebras and Complex Functions of Exponential type

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