🧑🔬 Nan Cheng — papers of 2026 — 1 paper, the most cited first1 paper · all years of Nan ChengHierarchical Reinforcement Learning with Augmented Step-Level Transitions for LLM AgentsAnnual Meeting of the Association for Computational Linguistics (ACL)Shuai Zhen, Yanhua Yu, Ruopei Guo, et al.2026 · 1 citationThis page in Markdown → https://md.research.elamur.ai/free/en/authors/nan-cheng/year/2026/