The numerical ranges of unbounded operators

DOI10.1017/S0004972700043598zbMath0279.47001OpenAlexW2104755046MaRDI QIDQ4765617

Gerard Anthony Joseph, John R. Giles

Publication date: 1974

Published in: Bulletin of the Australian Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0004972700043598

Mathematics Subject Classification ID

Spectrum, resolvent (47A10)

Related Items (4)

A semigroup approach to the numerical range of operators on Banach spaces ⋮ On the essential numerical spectrum of operators on Banach spaces ⋮ Über zu Halbnormen gehörende numerische Wertebereiche linearer Operatoren ⋮ The Numerical Range of an Unbounded Operator

Cites Work

• Unnamed Item
• Dissipative operators in a Banach space
• Fréchet differentiability of convex functions
• Some topological properties of support points of convex sets
• On nonseparable reflexive Banach spaces
• Shorter Notes: The Toeplitz-Hausdorff Theorem for Linear Operators

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