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Zi-Han Lin

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#machine learning Preprint Sep 2026

TGRL: Temperature-Grouped Reinforcement Learning for Efficient Exploration in LLMs

Efficient exploration often remains a central bottleneck in reinforcement learning with verifiable rewards (RLVR). Although temperature control and test-time scaling strategies can increase rollout diversity of large language models (LLMs), they either expand the sample budget at rollout time or leave the benefit of ex...

Zi-Han Lin, Xiao-Han Wang, Jie Cao et al. · 0 citations
Preprint Aug 2026

When Not to Imitate: Boundary-Aware Skill Memory for Reliable Tool-Use LLM Agents

BASM is proposed, which augments each skill with explicit boundary fields, which transforms each retrieved skill from an unconditional action template into state-conditioned guidance: the agent applies the skill when its conditions hold, suppresses inapplicable tool calls when they do not, and issues targeted repairs w...

Zi-Han Lin, Zhenyu Chen, Jiawen Wei et al. · 0 citations

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