@article{riemannianzerothordergradientestimationw,
  title = {Riemannian Zeroth-Order Gradient Estimation with Structure-Preserving Metrics for Geodesically Incomplete Manifolds},
  author = {Shaocong Ma and Heng Huang},
  year = {2026},
  eprint = {2601.08039},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.08039},
}