A Riemannian Block Coordinate Descent Method for Computing the
           Projection Robust Wasserstein Distance

                    Minhui Huang 1 Shiqian Ma 2 Lifeng Lai 1

             Abstract                other. To calculate the Wasserstein distance, one is required
                                 to solve an optimal transport (OT) problem, which has been
    The Wasserstein distance has become increasingly
                                 widely adopted in machine learning and data sci ...