Mingzhou Xu

Hithink RoyalFlush Information Network

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Publication activitypapers/week, last 8 weeks

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Reasoning & Chain-of-Thought (1)RLHF & Preference Learning (1)Tool Use & Agents (1)

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Xinyu Ma (1)Xuebo Liu (1)Chang Jin (1)Qiang Wang (1)

Papers (1)

Apr 20, 2026

6d ago·also Hithink RoyalFlush Information Network, UMacau

OGER: A Robust Offline-Guided Exploration Reward for Hybrid Reinforcement Learning

LLMs can learn to explore beyond their initial latent space and achieve substantial gains in mathematical reasoning by unifying offline teacher guidance and online reinforcement learning with a specialized reward modeling lens.

Xinyu Ma, Mingzhou Xu, Xuebo Liu +3

Reasoning & Chain-of-Thought RLHF & Preference Learning Tool Use & Agents

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Mingzhou Xu

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)