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cs.LG2026
Design Conditions for Intra-Group Learning of Sequence-Level Rewards: Token Gradient Cancellation
Fei Ding, Yongkang Zhang, youwei wang +1
Reinforcement learning for multi-step reasoning with large language models (LLMs) typically relies on sparse terminal rewards, which creates a poorly conditioned credit-assignment…
cs.LG2025
Multi-Layer GRPO: Enhancing Reasoning and Self-Correction in Large Language Models
Fei Ding, Baiqiao Wang, Zijian Zeng +1
The Group Relative Policy Optimization (GRPO) algorithm has demonstrated considerable success in enhancing the reasoning capabilities of large language models (LLMs), as evidenced…