Formal Riemannian Structure of the Wasserstein metric

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The Wasserstein metric is defined as

Failed to parse (syntax error): {\displaystyle W_2(\mu, \nu) := \min_{\gamma \in \Gamma(\mu, \nu) \left( \int |x_1 - x_2|^2 \, d\gamma(x_1, x_2) )^{1/2} }

Basic Structure of Riemannian Manifolds

Tangent Space Induced by Wasserstein Metric

Riemannian Metric Induced by Wasserstein Metric

References

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