@article{optimalstochasticnonsmoothnonconvex,
  title = {Optimal Stochastic Non-smooth Non-convex Optimization through Online-to-Non-convex Conversion},
  author = {Ashok Cutkosky and Harsh Mehta and Francesco Orabona},
  year = {2023},
  eprint = {2302.03775},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2302.03775v2},
}