@misc{huang23heter_collab_cb,
      title={Optimal Heterogeneous Collaborative Linear Regression and Contextual Bandits}, 
      author={Xinmeng Huang and Kan Xu and Donghwan Lee and Hamed Hassani and Hamsa Bastani and Edgar Dobriban},
      year={2023},
      eprint={2306.06291},
      archivePrefix={arXiv},
      primaryClass={stat.ML}
}

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