Ptolemy's inequality, chordal metric, multiplicative metric

DOI10.2140/pjm.1982.101.389zbMath0499.46008OpenAlexW2088836904WikidataQ105815622 ScholiaQ105815622MaRDI QIDQ1171727

A. Meir, Murray S. Klamkin

Publication date: 1982

Published in: Pacific Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2140/pjm.1982.101.389

zbMATH Keywords

metricdistance functionsPtolemy's inequalitysymmetric and ptolemmaic vector spaces

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Geometry and structure of normed linear spaces (46B20)

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