@article{investigatingbileveloptimizationfor,
  title = {Investigating Bi-Level Optimization for Learning and Vision from a Unified Perspective: A Survey and Beyond},
  author = {Risheng Liu and Jiaxin Gao and Jin Zhang and Deyu Meng and Zhouchen Lin},
  year = {2021},
  eprint = {2101.11517},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.11517v3},
}