Coarse Ricci curvature on the space of probability measures

In this paper we study the coarse Ricci curvature on the space of probability measures on a metric space. The infimum of the $p$-coarse Ricci curvature on the $L^p$-Wasserstein space coincides with that with respect to the original random walk. Considering a random walk as a map, we investigate the relation between Gromov-Hausdorff convergence and the $p$-coarse Ricci curvature. We also study the concentration of measure phenomenon related to the coarse Ricci curvature.

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