@article{sparsepolyakanadaptivestepsizeruleforhig,
  title = {Sparse Polyak: an adaptive step size rule for high-dimensional M-estimation},
  author = {Tianqi Qiao and Marie Maros},
  year = {2025},
  eprint = {2509.09802},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.09802},
}