First Return, Entropy-Eliciting Explore
Reinforcement Learning from Verifiable Rewards (RLVR) improves the reasoning
abilities of Large Language Models (LLMs) but it struggles with unstable
exploration. We propose FR3E (First Return, Entropy-Eliciting Explore), a
structured exploration framework that identifies high-uncertainty decision
points in reasoning trajectories and performs targeted rollouts to construct
semantically grounded intermediate feedback. Our method provides targeted
guidance without relying on dense supervision. Empirical results on
mathematical reasoning benchmarks(AIME24) show that FR3E promotes more stable
training, produces longer and more coherent responses, and increases the
proportion of fully correct trajectories. These results highlight the
framework's effectiveness in improving LLM reasoning through more robust and
structured exploration.
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Tianyu Zheng
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2025-07-10T07:09:04.799Z
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TY.Zheng
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Tianshun Xing
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2025-07-10T09:12:45.801Z
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Qingshui Gu
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Taoran Liang
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Xingwei Qu
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Xin Zhou
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Yizhi Li
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2025-07-25T08:39:27.963Z
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Yizhi Li
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Zhoufutu Wen
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Maxwell Wen
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Chenghua Lin
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Wenhao Huang
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Qian Liu
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2025-07-10T13:14:27.307Z
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Qian Liu
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SivilTaram
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Ge Zhang
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2025-07-22T14:00:59.161Z
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Ge Zhang
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Zejun Ma
First Return, Entropy-Eliciting Explore
Reinforcement Learning from Verifiable Rewards (RLVR) improves the reasoning
abilities of Large Language Models (LLMs) but it struggles with unstable
exploration. We propose FR3E (First Return, Entropy-Eliciting Explore), a
structured exploration framework that identifies high-uncertainty decision
points in reasoning trajectories and performs targeted rollouts to construct
semantically grounded intermediate feedback. Our method provides targeted
guidance without relying on dense supervision. Empirical results on
mathematical reasoning benchmarks(AIME24) show that FR3E promotes more stable
training, produces longer and more coherent responses, and increases the
proportion of fully correct trajectories. These results highlight the
framework's effectiveness in improving LLM reasoning through more robust and
structured exploration.
FR3E, a structured exploration framework, enhances LLM reasoning by providing targeted guidance at high-uncertainty decision points, leading to more stable training and accurate responses.
Reinforcement Learning from Verifiable Rewards Large Language Models FR3E structured exploration high-uncertainty decision points targeted rollouts semantically grounded intermediate feedback mathematical reasoning benchmarks AIME24