@inproceedings{yuan-etal-2026-uncovering, title = "Uncovering and Mitigating Aggregation-Induced Reward Hacking in Multi-Reward Reinforcement Learning", author = "Yuan, Yu and Fan, Yaoyou and Zhao, Lili and Zheng, Guangting and Zhang, Kai and Pan, Lu and Zeng, Ke and Liu, Qi", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {EMNLP} 2026", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.findings-emnlp.1586/", pages = "33767--33780", ISBN = "979-8-89176-462-0" }