Softmax policy gradient methods can take exponential time to converge

Gen Li 0005, Yuting Wei, Yuejie Chi, Yuxin Chen 0002. Softmax policy gradient methods can take exponential time to converge. Math. Program., 201(1):707-802, 2023. [doi]

@article{0005WC023,
  title = {Softmax policy gradient methods can take exponential time to converge},
  author = {Gen Li 0005 and Yuting Wei and Yuejie Chi and Yuxin Chen 0002},
  year = {2023},
  doi = {10.1007/s10107-022-01920-6},
  url = {https://doi.org/10.1007/s10107-022-01920-6},
  researchr = {https://researchr.org/publication/0005WC023},
  cites = {0},
  citedby = {0},
  journal = {Math. Program.},
  volume = {201},
  number = {1},
  pages = {707-802},
}