On an orthogonality equation in normed spaces

DOI10.1007/S10688-018-0231-6zbMath1426.46011OpenAlexW2899192396WikidataQ129024490 ScholiaQ129024490MaRDI QIDQ1755984

Paweł Wójcik

Publication date: 11 January 2019

Published in: Functional Analysis and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10688-018-0231-6

zbMATH Keywords

functional equationquotient spacenorm derivative

Mathematics Subject Classification ID

Geometry and structure of normed linear spaces (46B20)

Related Items (5)

When are maps preserving semi-inner products linear? ⋮ Functions preserving the biadditivity ⋮ Generalized orthogonality equations in finite-dimensional normed spaces ⋮ On Geometry of Banach Function Modules: Selected Topics ⋮ A functional equation with biadditive functions

Cites Work

• Characterizations of inner product spaces
• Smoothness and rotundity in quotient spaces
• Isometries in Normed Spaces
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