@article{improvingapproximateoptimaltransport,
  title = {Improving Approximate Optimal Transport Distances using Quantization},
  author = {Gaspard Beugnot and Aude Genevay and Kristjan Greenewald and Justin Solomon},
  year = {2021},
  eprint = {2102.12731},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.12731v2},
}