@inproceedings{xue2025multiobjective, title = {Multi-objective Linear Reinforcement Learning with Lexicographic Rewards}, author = {Xue, Bo and Bu, Dake and Cheng, Ji and Wan, Yuanyu and Zhang, Qingfu}, booktitle = {Proceedings of the 42nd International Conference on Machine Learning}, pages = {70065 -- 70085}, year = {2025} }