Isosceles trapezoids, norms and inner products

DOI10.1007/s000130050327zbMath0928.46010OpenAlexW2039602312MaRDI QIDQ1291152

P. Cruells, Claudi Alsina, Maria S. Tomàs

Publication date: 3 June 1999

Published in: Archiv der Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s000130050327

zbMATH Keywords

orthogonalitycharacterization of inner product spacesisosceles trapezoids

Mathematics Subject Classification ID

Generalizations of inner products (semi-inner products, partial inner products, etc.) (46C50) Characterizations of Hilbert spaces (46C15) Congruence and orthogonality in metric geometry (51F20)

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