@article{sigmoidallypreconditionedoffpolicy,
  title = {The Sufficiency of Off-Policyness and Soft Clipping: PPO is still Insufficient according to an Off-Policy Measure},
  author = {Xing Chen and Dongcui Diao and Hechang Chen and Hengshuai Yao and Haiyin Piao and Zhixiao Sun and Zhiwei Yang and Randy Goebel and Bei Jiang and Yi Chang},
  year = {2022},
  eprint = {2205.10047},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2205.10047v6},
}