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14. Isometric copies of ℓ<sup>n</sup> <sub>∞</sub> and ℓ<sup>n</sup> <sub>1</sub> in transportation cost spaces on finite metric spaces
Main results: (a) If a metric space contains 2n elements, the transportation cost space on it contains a 1-complemented isometric copy of ℓn1 . (b) An example of a finite metric space whose transportation cost space contains an isometric copy of ℓ4∞ . Transportation cost spaces are also known as …