C2,α regularity of free boundaries in optimal transportation

Publication Name

Communications on Pure and Applied Mathematics

Abstract

The regularity of the free boundary in optimal transportation is equivalent to that of the potential function along the free boundary. By establishing new geometric estimates of the free boundary and studying the second boundary value problem of the Monge-Ampère equation, we obtain the (Formula presented.) regularity of the potential function as well as that of the free boundary, thereby resolve an open problem raised by Caffarelli and McCann.

Open Access Status

This publication is not available as open access

Funding Number

DP200101084

Funding Sponsor

Australian Research Council

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Link to publisher version (DOI)

http://dx.doi.org/10.1002/cpa.22151