Abstract
A measure theoretical approach is presented to study the solutions of the Monge-Kantorovich optimal mass transport problems. This approach together with Kantorovich duality provide an effective tool to answer a long standing question about the support of optimal plans for the mass transport problem involving general cost functions. We also establish a criterion for the uniqueness.
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Acknowledgments
I would like to thank Professor Robert McCann for pointing out a critical issue on the statement of Theorem 1.3 in the first version of this Manuscript. I would also like to thank the reviewers for the careful reading of the manuscript and valuable comments that improved the clarity of the original manuscript.
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Supported by a grant from the Natural Sciences and Engineering Research Council of Canada.
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Moameni, A. A characterization for solutions of the Monge-Kantorovich mass transport problem. Math. Ann. 365, 1279–1304 (2016). https://doi.org/10.1007/s00208-015-1312-y
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DOI: https://doi.org/10.1007/s00208-015-1312-y