Almost-everywhere discontinuity of the spectral radius

DOI10.1090/S0002-9939-00-05617-3zbMath0968.47002OpenAlexW2147046893MaRDI QIDQ4523198

Thomas Ransford

Publication date: 8 January 2001

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

Full work available at URL: https://doi.org/10.1090/s0002-9939-00-05617-3

zbMATH Keywords

spectral radiussubharmonic functionupper semicontinuous functionnilpotent operatorsBeurling-Gelfand formula

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Numerical range, numerical radius (47A12) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05) Linear relations (multivalued linear operators) (47A06)

Cites Work

• Propriétés spectrales des algèbres de Banach
• The Unconditional Basic Sequence Problem
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