Calculus of Variations and Geometric Measure Theory
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G. Buttazzo - T. Champion - L. De Pascale

Continuity and estimates for multimarginal optimal transportation problems with singular costs

created by buttazzo on 23 Aug 2016


Submitted Paper

Inserted: 23 aug 2016
Last Updated: 23 aug 2016

Year: 2016


We consider some repulsive multimarginal optimal transportation problems which include, as a particular case, the Coulomb cost. We prove a regularity property of the minimizers (optimal transportation plan) from which we deduce existence and some basic regularity of a maximizer for the dual problem (Kantorovich potential). This is then applied to obtain some estimates of the cost and to the study of continuity properties.

Keywords: duality theory, Monge-Kantorovich problem, Multimarginal optimal transportation, Coulomb cost


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