A. D. Nguyen, T. D. Nguyen, Q. M. Nguyen, H. H. Nguyen, L. M. Nguyen, and K.-C. Toh, “On Partial Optimal Transport: Revising the Infeasibility of Sinkhorn and Efficient Gradient Methods”, AAAI, vol. 38, no. 8, pp. 8090-8098, Mar. 2024.