@article{onegoodsourceisallyouneednearoptimalregr,
  title = {One Good Source is All You Need: Near-Optimal Regret for Bandits under Heterogeneous Noise},
  author = {Amith Bhat and Haipeng Luo and Aadirupa Saha},
  year = {2026},
  eprint = {2602.14474},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.14474},
}