@article{prismageometricriskboundthatdecomposesdr,
  title = {PRISM: A Geometric Risk Bound that Decomposes Drift into Scale, Shape, and Head},
  author = {Chieh-Yen Lin and Shao-Hua Sun},
  year = {2026},
  eprint = {2605.11608},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.11608},
}