Calculus of Variations and Geometric Measure Theory
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G. De Philippis - A. Figalli

Partial regularity for optimal transport maps

created by dephilipp on 25 Sep 2012
modified by figalli on 16 Jul 2014


Accepted Paper

Inserted: 25 sep 2012
Last Updated: 16 jul 2014

Journal: Publ. Math. Inst. Hautes √Čtudes Sci.
Year: 2014


We prove that, for general cost functions on $\mathbb R^n$, or for the cost $d^2/2$ on a Riemannian manifold, optimal transport maps between smooth densities are always smooth outside a closed singular set of measure zero.


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