Identical pseudospectra of any geometric multiplicity

DOI10.1016/j.laa.2011.01.014zbMath1239.15007OpenAlexW2041266497MaRDI QIDQ765177

D. Kharzeev

Publication date: 19 March 2012

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

Full work available at URL: https://doi.org/10.1016/j.laa.2011.01.014

zbMATH Keywords

eigenvaluesimilaritysingular valuespseudospectruminfinitesimals

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Spectral sets of linear operators (47A25) Canonical forms, reductions, classification (15A21)

Related Items (2)

A four-mean theorem and its application to pseudospectra ⋮ Polynomially Isometric Matrices in Low Dimensions

Cites Work

• Superoptimal analytic approximations of matrix functions
• Singular values and invariant factors of matrix sums and products
• Super-identical pseudospectra
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