On the Gau-Wu number for some classes of matrices

DOI10.1016/j.laa.2013.11.045zbMath1292.15020OpenAlexW2085503498MaRDI QIDQ2442264

Kristin A. Camenga, Tsvetanka Sendova, Patrick X. Rault, Ilya M. Spitkovskij

Publication date: 2 April 2014

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2013.11.045

zbMATH Keywords

numerical rangeToeplitz matricesalmost normal matrices

Mathematics Subject Classification ID

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

Related Items (3)

The Gau-Wu number for \(4 \times 4\) and select arrowhead matrices ⋮ Gau-Wu numbers of nonnegative matrices ⋮ Singularities of base polynomials and Gau-Wu numbers

Cites Work

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• A survey of canonical forms and invariants for unitary similarity
• A gentle guide to the basics of two projections theory
• On almost normal matrices
• On flat portions on the boundary of the numerical range
• Diagonals and numerical ranges of weighted shift matrices
• Diagonals and numerical ranges of direct sums of matrices
• Numerical ranges and compressions of S_n-matrices
• Spectral Properties of Banded Toeplitz Matrices

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