Continuity of submatrices and Ritz sets associated to a point in the numerical range

DOI10.1016/j.laa.2021.03.031zbMath1476.15012OpenAlexW3151986024MaRDI QIDQ2029813

Kennett L. de la Rosa, Hugo J. Woerdeman

Publication date: 4 June 2021

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

Full work available at URL: https://doi.org/10.1016/j.laa.2021.03.031

zbMATH Keywords

eigenvaluesRitz valuesnormal matricesinterlacingmatrix compressions

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Dilations, extensions, compressions of linear operators (47A20)

Cites Work

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