@article{riskvariancepenalizationfrom,
  title = {Risk Variance Penalization},
  author = {Chuanlong Xie and Haotian Ye and Fei Chen and Yue Liu and Rui Sun and Zhenguo Li},
  year = {2020},
  eprint = {2006.07544},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.07544v2},
}