@inproceedings{matsutani-etal-2026-zipping, title = "Zipping the Thought: When and How Compressed Reasoning Data Works in {LLM} Post-Training", author = "Matsutani, Kohsei and Minegishi, Gouki and Kojima, Takeshi and Iwasawa, Yusuke and Matsuo, Yutaka", 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.984/", pages = "20797--20822", ISBN = "979-8-89176-462-0" }