Plan Then Action:High-Level Planning Guidance Reinforcement Learning for LLM Reasoning. - Zhihao Dou; Qinjian Zhao; Zhongwei Wan; Dinggen Zhang; Weida Wang; Towsif Raiyan; Benteng Chen; Qingtao Pan; Yang Ouyang; Zhiqiang Gao; Shufei Zhang; Sumon Biswas (CoRR, 2025)