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arXiv:2310.20690 [math.MG]AbstractReferencesReviewsResources

A direct proof for the positive definiteness of four point metric spaces

Kiyonori Gomi

Published 2023-10-31Version 1

We provide a direct and elementary proof for the fact that every four point metric spaces are positive definite, which was first proved by Meckes based on some embedding theorems of metric spaces.

Comments: LaTex 2e, 8 pages
Categories: math.MG
Subjects: 51F99
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