@article{familiesofcostswithzeroandnonnegative,
  title = {Families of costs with zero and nonnegative MTW tensor in optimal transport},
  author = {Du Nguyen},
  year = {2024},
  eprint = {2401.00953},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2401.00953v1},
}