Author

Jian Wang

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#artificial intelligence Preprint Sep 2026

From Imitation to Reward Discovery: On-Policy Warmup for Agentic RL

Reinforcement learning with a verifiable reward (RLVR) offers a scalable approach to training language-model agents, yet sparse outcome rewards can leave early training with little signal for policy improvement. We identify an On-Policy Acceleration Phenomenon: in our main comparisons, RLVR initialized with on-policy d...

Yi-Tong Qiao, Tian-Tian He, Lei Liu et al. · 0 citations

#artificial intelligence Preprint Sep 2026

EHR-RobustGym: Benchmarking and Training Agents for Robust Clinical Reasoning

In hospital workflows, electronic health records (EHRs) are often noisy, and may not contain the evidence needed to confirm events or measurements referenced in a clinical query. Even when database retrieval succeeds, clinical agents can overlook such discrepancies and return plausible but unsupported answers. We intro...

Yi-Tong Qiao, Yan-Cheng Jin, Lei Liu et al. · 0 citations