Token-Level Uncertainty Estimation for Large Language Model Reasoning. - Tunyu Zhang; Haizhou Shi; Yibin Wang 005; Hengyi Wang; Xiaoxiao He; Zhuowei Li 002; Haoxian Chen 005; Ligong Han; Kai Xu; Huan Zhang; Dimitris N. Metaxas; Hao Wang 014 (CoRR, 2025)