@article{learningsingleindexmodelsviaharmonic,
  title = {Learning single-index models via harmonic decomposition},
  author = {Nirmit Joshi and Hugo Koubbi and Theodor Misiakiewicz and Nathan Srebro},
  year = {2025},
  eprint = {2506.09887},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2506.09887v1},
}