On Relations Between Transportation Cost Spaces and <i>l</I><sub>1<
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Date
2020
Authors
Ostrovska, Sofiya
Ostrovska, Sofiya
Ostrovskii, Mikhail I.
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Publisher
Academic Press inc Elsevier Science
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Abstract
The present paper deals with some structural properties of transportation cost spaces, also known as Arens-Eells spaces, Lipschitz-free spaces and Wasserstein spaces. The main results of this work are: (1) A necessary and sufficient condition on an infinite metric space M, under which the transportation cost space on M contains an isometric copy of l(1). The obtained condition is applied to answer the open questions asked by Cuth and Johanis (2017) concerning several specific metric spaces. (2) The description of the transportation cost space of a weighted finite graph G as the quotient l(1) (E(G))/Z(G), where E(G) is the edge set and Z(G) is the cycle space of G. (C) 2020 Elsevier Inc. All rights reserved.
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Keywords
Arens-Eells space, Earth mover distance, Kantorovich-Rubinstein distance, Lipschitz-free space, Transportation cost, Wasserstein distance
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Fields of Science
Citation
8
WoS Q
Q2
Scopus Q
Q2
Source
Volume
491
Issue
2