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2021.05.19 Hugh Wark, York

Equilateral sets in large Banach spaces

A subset of a Banach space is called equilateral if the distances between any two of its distinct points are the same. In this talk it will be shown that there exist non separable Banach spaces with no uncountable equilateral sets and indeed non separable Banach spaces with no infinite equilateral sets.

Link to the talk.

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