English

Optimal transport maps on Alexandrov spaces revisited

Metric Geometry 2018-04-04 v2 Analysis of PDEs Differential Geometry

Abstract

We give an alternative proof for the fact that in nn-dimensional Alexandrov spaces with curvature bounded below there exists a unique optimal transport plan from any purely (n1)(n-1)-unrectifiable starting measure, and that this plan is induced by an optimal map.

Keywords

Cite

@article{arxiv.1803.10023,
  title  = {Optimal transport maps on Alexandrov spaces revisited},
  author = {Tapio Rajala and Timo Schultz},
  journal= {arXiv preprint arXiv:1803.10023},
  year   = {2018}
}

Comments

16 pages. Added a reference to an earlier proof of the result by Bertrand