@article{approximating1wassersteindistancewith,
  title = {Approximating 1-Wasserstein Distance with Trees},
  author = {Makoto Yamada and Yuki Takezawa and Ryoma Sato and Han Bao and Zornitsa Kozareva and Sujith Ravi},
  year = {2022},
  eprint = {2206.12116},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2206.12116v1},
}