@inproceedings{sanyal-etal-2026-format, title = "Format Collapse in Policy Optimization for {LLM} Reasoning", author = "Sanyal, Debdeep and Sharma, Aakash Sen and Deshpande, Saurabh and Kumar, Dhruv and Mandal, Murari", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.1706/", pages = "38849--38869", ISBN = "979-8-89176-459-0" }