Quadratic and Quasi-Quadratic Functionals

DOI10.2307/2159972zbMath0803.15024OpenAlexW4244920452MaRDI QIDQ4292213

Peter Šemrl

Publication date: 1 June 1994

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2159972

zbMATH Keywords

pre-Hilbert spacesesquilinear functionalquasi-quadratic functionalJordan-star-derivationsJordan-von Neumann characterization

Mathematics Subject Classification ID

Characterizations of Hilbert spaces (46C15) Quadratic and bilinear forms, inner products (15A63)

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