Topological properties of the block numerical range of operator matrices

DOI10.7153/oam-2020-14-62OpenAlexW3126549183MaRDI QIDQ3383839

Agnes Radl, Manfred P. H. Wolff

Publication date: 16 December 2021

Published in: Operators and Matrices (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7153/oam-2020-14-62

zbMATH Keywords

resolventnumerical rangespectrumblock numerical range

Mathematics Subject Classification ID

Banach lattices (46B42) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Ultraproduct techniques in Banach space theory (46B08) Numerical range, numerical radius (47A12) Eigenvalue problems for linear operators (47A75) Positive linear operators and order-bounded operators (47B65) Operator matrices (47A08)

Cites Work

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• Geometry of Banach spaces. Selected topics
• The Block Numerical Range of an n × n Block Operator Matrix
• On the block numerical range of operators on arbitrary Banach spaces
• Complex analysis. Transl. from the German by Dan Fulea

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