@inproceedings{yari-koto-2026-amir, title = "{AMIR}-{GRPO}: Inducing Implicit Preference Signals into {GRPO}", author = "Yari, Amir Hossein and Koto, Fajri", editor = "Valentino, Marco and Ferreira, Deborah and Thayaparan, Mokanarangan and Ranaldi, Leonardo and Cheng, Jo-Ku and Freitas, Andre", booktitle = "The Proceedings of the 4th Workshop on Mathematical Natural Language Processing ({M}ath{NLP} 2026)", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.mathnlp-main.6/", pages = "69--85", ISBN = "979-8-89176-468-2" }