scientific article

zbMath0632.10022MaRDI QIDQ3768975

Svetozar Kurepa

Publication date: 1987

Full work available at URL: https://eudml.org/doc/118007

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

quadratic formsinner product spacessesquilinear formsHalperin problemcomplexification of vector spaces

Mathematics Subject Classification ID

Functional equations for functions with more general domains and/or ranges (39B52) Quadratic and bilinear forms, inner products (15A63) Inner product spaces and their generalizations, Hilbert spaces (46C99) General binary quadratic forms (11E16)

Related Items (1)

Semi-Inner Products and Parapreseminorms on Groups and a Generalization of a Theorem of Maksa and Volkmann on Additive Functions

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