🧑🔬 Zexu Sun — papers of 2026 — 1 paper, the most cited first1 paper · all years of Zexu SunLearning from Cognition: Enhancing RL Efficiency for LLM Reasoning via Hierarchical Metacognitive Decomposition and RefinementAnnual Meeting of the Association for Computational Linguistics (ACL)Zexu Sun, Yongcheng Zeng, Erxue Min, et al.2026This page in Markdown → https://md.research.elamur.ai/free/en/authors/zexu-sun/year/2026/