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zbMath1199.15084MaRDI QIDQ3642437

Guimei An, Jin-Chuan Hou

Publication date: 11 November 2009

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

numerical range spectral radius positivity self-adjointness normal matrices numerical radius complex matrix algebras rank preserving multiplicative maps unitarity of matrices

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Positive matrices and their generalizations; cones of matrices (15B48) Hermitian, skew-Hermitian, and related matrices (15B57) Algebraic systems of matrices (15A30) Vector spaces, linear dependence, rank, lineability (15A03) Linear preserver problems (15A86)

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