@inproceedings{zeng-etal-2026-balanced,
    title = "Balanced Aggregation: Understanding and Fixing Aggregation Bias in {GRPO}",
    author = "Zeng, Zhiyuan  and
      Huang, Jiameng  and
      Yin, Zhangyue  and
      Li, Bingrui  and
      Liu, Jiashuo  and
      Wu, Yuhao  and
      Zheng, Yining  and
      Zhang, Ge  and
      Huang, Wenhao  and
      Qiu, Xipeng  and
      Li, Ziniu",
    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.2120/",
    pages = "45195--45207",
    ISBN = "979-8-89176-462-0"
}