@inproceedings{vassoyan-etal-2025-ignore, title = "Ignore the {KL} Penalty! Boosting Exploration on Critical Tokens to Enhance {RL} Fine-Tuning", author = {Vassoyan, Jean and Beau, Nathana{\"e}l and Plaud, Roman}, editor = "Chiruzzo, Luis and Ritter, Alan and Wang, Lu", booktitle = "Findings of the Association for Computational Linguistics: NAACL 2025", month = apr, year = "2025", address = "Albuquerque, New Mexico", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2025.findings-naacl.340/", pages = "6108--6118", ISBN = "979-8-89176-195-7" }