Maps preserving spectral radius, numerical radius, spectral norm

DOI10.13001/1081-3810.1207zbMath1157.15002OpenAlexW2095688435MaRDI QIDQ3497898

Edward Poon, Ashwin Rastogi, Chi-Kwong Li

Publication date: 28 May 2008

Published in: The Electronic Journal of Linear Algebra (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/129678

zbMATH Keywords

Schur productrectangular complex matricesspectral isometries\(l_p\)-norm preserving mapnumerical radius preserving mapspectral norm preserving mapspectral radius preserving map

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Linear transformations, semilinear transformations (15A04)

Related Items (4)

Unitary similarity invariant function preservers of skew products of operators ⋮ Maps preserving a Ky-Fan norm of Jordan product ⋮ Schur-multiplicative maps preserving unitarily invariant norms ⋮ Preservers of spectral radius, numerical radius, or spectral norm of the sum on nonnegative matrices

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