@article{moreauenvelopefornonconvexbilevel,
  title = {Moreau Envelope for Nonconvex Bi-Level Optimization: A Single-loop and Hessian-free Solution Strategy},
  author = {Risheng Liu and Zhu Liu and Wei Yao and Shangzhi Zeng and Jin Zhang},
  year = {2024},
  eprint = {2405.09927},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2405.09927v1},
}