@article{optimaltransportdistancesfordirected,
  title = {Optimal transport distances for directed, weighted graphs: a case study with cell-cell communication networks},
  author = {James S. Nagai and Ivan G. Costa and Michael T. Schaub},
  year = {2023},
  eprint = {2309.07030},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2309.07030v3},
}