Maximizing numerical radii of weighted shifts under weight permutations

DOI10.1016/j.jmaa.2012.04.039zbMath1273.47015OpenAlexW2031760464MaRDI QIDQ442482

Chi-Tung Chang, Kuo-Zhong Wang

Publication date: 1 August 2012

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmaa.2012.04.039

zbMATH Keywords

bilateral weighted shiftnumerical radius, weighted cyclic matrixunilateral weighted shift

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12)

Related Items

Numerical ranges of cyclic shift matrices ⋮ Proof of a conjecture on numerical ranges of weighted cyclic matrices ⋮ Determinantal polynomials of a weighted shift operator ⋮ Maximizing the numerical radii of matrices by permuting their entries

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