Abstract
In this note, we study the Kantorovich problem of optimal transportation of measures on metric spaces in the case where the cost function and marginal distributions depend on a parameter from a metric space. It is shown that the Hausdorff distance between the sets of probability measures with given marginals can be estimated by the distances between the marginals. As a corollary, it is proved that the cost of optimal transportation is continuous with respect to the parameter if the cost function and marginal distributions are continuous in this parameter.
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Funding
This research is supported by the Russian Science Foundation, grant no. 22-11-00015.
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Bogachev, V.I., Popova, S.N. On Kantorovich Problems with a Parameter. Dokl. Math. 106, 426–428 (2022). https://doi.org/10.1134/S1064562422700107
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DOI: https://doi.org/10.1134/S1064562422700107