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Projections, Extendability of Operators and the Gateaux Derivative of the Norm - MaRDI portal

Projections, Extendability of Operators and the Gateaux Derivative of the Norm

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Publication:4714722

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DOI10.1515/JAA.1995.29zbMath0864.46002OpenAlexW2029444622MaRDI QIDQ4714722

Dariusz Zagrodny, Lestaw Gajek, Jacek R. Jachymski

Publication date: 7 November 1996

Published in: Journal of Applied Analysis (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/47656

zbMATH Keywords

Hahn-Banach extension theorem partial ordering Birkhoff's orthogonality one sided Gâteaux derivative

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Theorems of Hahn-Banach type; extension and lifting of functionals and operators (46A22) Dilations, extensions, compressions of linear operators (47A20) Derivatives of functions in infinite-dimensional spaces (46G05)

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