"Wasserstein distance" . "Lipschitz (first order Wasserstein; Kantorovich) metric" . "in the main page on Wasserstein metric" . . . "'''Wasserstein distance'''" . ":Wasserstein metric#Dual representation of W1" . . . "Wasserstein metric" . "Wasserstein metric space" . . "Mallows distance or 1st Wasserstein distance" . "Wasserstein" . . "Wasserstein_metric#Dual_representation_of_W1" . "Wasserstein metric" . . . "Wasserstein geometry" .