Norm for sums of two basic elementary operators

DOI10.1155/2012/643568zbMath1286.47004OpenAlexW2168332816WikidataQ58704931 ScholiaQ58704931MaRDI QIDQ1935998

A. Segres, Ahmed Bachir, Farida Lombarkia

Publication date: 21 February 2013

Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1155/2012/643568

zbMATH Keywords

normnumerical rangeelementary operators

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12)

Cites Work

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• Convex functions, monotone operators and differentiability.
• Norm inequalities for sums of two basic elementary operators
• The norm of a derivation
• Orthogonality in linear metric spaces
• Numerical range and orthogonality in normed spaces
• The numerical range of an element of a normed algebra
• Orthogonality and Linear Functionals in Normed Linear Spaces

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