@article{policyregretforembeddingmodelroutingcont,
  title = {Policy Regret for Embedding Model Routing: Contextual Bandits with Low-Rank Experts},
  author = {Yan Dai and Negin Golrezaei and Patrick Jaillet},
  year = {2026},
  eprint = {2606.14929},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.14929},
}