The cone of nonnegative \(c\)-numerical range and its preservers

DOI10.1016/S0024-3795(00)00252-4zbMath0974.15021WikidataQ127109064 ScholiaQ127109064MaRDI QIDQ5929758

Kong Chan, Jor-Ting Chan

Publication date: 30 November 2001

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

zbMATH Keywords

\(c\)-numerical rangeconvex coneextreme directionlinear preserver

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)

Cites Work

• On operators preserving the numerical range
• Conditions for the generalized numerical range to be real
• Norm properties of C-numerical radii
• Positive operators and an inertia theorem
• Cones, matrices and mathematical programming
• The c-spectralc-radial and c-convex matrices
• Linear operators that preserve thec-numerical range or radius of matrices
• Trace preserving linear transformations on matrix algebras
• Convex Analysis

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