@article{JMLR:v23:19-843,
  author  = {Tianyi Lin and Nhat Ho and Marco Cuturi and Michael I. Jordan},
  title   = {On the Complexity of Approximating Multimarginal Optimal Transport},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {65},
  pages   = {1--43},
  url     = {http://jmlr.org/papers/v23/19-843.html}
}