scientific article

DOI10.1512/iumj.1982.31.31053zbMath0533.47004OpenAlexW4242641302MaRDI QIDQ3316032

Jim Agler

Publication date: 1982

Published in: Indiana University Mathematics Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1512/iumj.1982.31.31053

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

numerical rangepseudopolynomialsanalytic Jordan curveattainable by a compact operator

Mathematics Subject Classification ID

Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Numerical range, numerical radius (47A12)

Related Items (9)

Which set is the numerical range of an operator? ⋮ Joint numerical ranges: recent advances and applications minicourse by V. Müller and Yu. Tomilov ⋮ Numerical range of composition operators on a Hilbert space of Dirichlet series. ⋮ Numerical range and compact convex sets ⋮ Numerical range and compressions of the shift ⋮ Numerical range and compactness of some composition operators on a Hilbert space of Dirichlet series ⋮ Anderson’s theorem for compact operators ⋮ When is zero in the numerical range of a composition operator? ⋮ Normal essential eigenvalues in the boundary of the numerical range

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