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A new class of cost for optimal transport planning

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Abstract

We study a class of optimal transport planning problems where the reference cost involves a non linear function G(x, p) representing the transport cost between the Dirac mesure x and a target probability p. This allows to consider interesting models which favour multi-valued transport maps in contrast with the classical linear case (G(x, p) = R c(x, y) dp) where finding single-valued optimal transport is a key issue. We present an existence result and a general duality principle which apply to many examples. Moreover, under a suitable subadditivity condition, we derive a Kantorovich-Rubinstein version of the dual problem allowing to show existence in some regular cases. We also consider the well studied case of Martingale transport and present some new perspectives for the existence of dual solutions in connection with-convergence theory.
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Dates and versions

hal-01741688 , version 1 (23-03-2018)

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  • HAL Id : hal-01741688 , version 1

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Jean-Jacques Alibert, Guy Bouchitté, Thierry Champion. A new class of cost for optimal transport planning. 2018. ⟨hal-01741688⟩
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