Normed spaces which satisfy Apollonius' theorem

DOI10.1007/BF01155877zbMath0343.46013OpenAlexW2060917844MaRDI QIDQ1232666

I. A. Danelich

Publication date: 1977

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01155877

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Isomorphic theory (including renorming) of Banach spaces (46B03)

Related Items (3)

A geometric characterization of inner product spaces ⋮ À la recherche de la preuve perdue: a simple proof of the Ficken theorem ⋮ The geometry of Minkowski spaces -- a survey. II.

Cites Work

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