Formal Riemannian Structure of the Wasserstein metric
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Given a closed and convex space , two probability measures on the same space, , the Wasserstein metric is defined as
where is a transport plan from to . These plans are used to define the Kantorovich Problem.
Basic Structure of Riemannian Manifolds
Tangent Space Induced by Wasserstein Metric
Riemannian Metric Induced by Wasserstein Metric
References
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