@article{towardssharpstochasticzerothorderhessian,
  title = {On Sharp Stochastic Zeroth Order Hessian Estimators over Riemannian Manifolds},
  author = {Tianyu Wang},
  year = {2022},
  eprint = {2201.10780},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.10780v3},
}