@inproceedings{sufficientdimensionreductionfor,
  title = {Sufficient dimension reduction for classification using principal optimal transport direction},
  author = {Cheng Meng and Jun Yu and Jingyi Zhang and Ping Ma and Wenxuan Zhong},
  year = {2020},
  booktitle = {NeurIPS 2020 12},
  eprint = {2010.09921},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2010.09921v4},
}