A Simple "Motivation" Can Enhance Reinforcement Finetuning of Large Reasoning Models - Zhang, Junjie; Ma, Guozheng; Liu, Shunyu; Wang, Haoyu; Huang, Jiaxing; Lin, Ting-En; Huang, Fei; Li, Yongbin; Tao, Dacheng (International Conference on Learning Representations, 2026)