@article{thecomplexityofgradientdescentclsppad,
  title = {The Complexity of Gradient Descent: CLS = PPAD $\cap$ PLS},
  author = {John Fearnley and Paul W. Goldberg and Alexandros Hollender and Rahul Savani},
  year = {2020},
  eprint = {2011.01929},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.01929v4},
}