Step-level Value Preference Optimization for Mathematical Reasoning Guoxin Chen author Minpeng Liao author Chengxi Li author Kai Fan author 2024-11 text Findings of the Association for Computational Linguistics: EMNLP 2024 Yaser Al-Onaizan editor Mohit Bansal editor Yun-Nung Chen editor Association for Computational Linguistics Miami, Florida, USA conference publication chen-etal-2024-step 10.18653/v1/2024.findings-emnlp.463 https://aclanthology.org/2024.findings-emnlp.463/ 2024-11 7889 7903