Another proof of a conjecture of marcus on thec-numerical range

DOI10.1080/03081089608818459zbMath0871.15028OpenAlexW2025992835WikidataQ123315926 ScholiaQ123315926MaRDI QIDQ4336765

Natália Bebiano, João da Providência

Publication date: 14 May 1997

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

Full work available at URL: https://doi.org/10.1080/03081089608818459

zbMATH Keywords

\(c\)-numerical range

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60)

Cites Work

• A remark on a conjecture of Marcus on the generalized numerical range
• On certain finite dimensional numerical ranges and numerical radii^†
• A conjecture of marcus on the generalized numerical range
• Nondifferentiabie points of ∂W_c(A)
• Another proof of a result of Westwick
• On the shape of the generalized numerical ranges
• A theorem on numerical range
• C-numerical ranges andC-numerical radii
• Some Geometrical Properties of thec-Numerical Range of a Normal Matrix

This page was built for publication: Another proof of a conjecture of marcus on thec-numerical range