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Author

Junle Chen

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#machine learning Preprint Oct 2026

Flash-OPD: Fast On-Policy Distillation

On-policy distillation (OPD) provides dense teacher supervision on student-generated trajectories, but generating and evaluating long rollouts incurs substantial training cost. Existing acceleration methods reduce this cost through open-loop rollout schedules or closed-loop horizon adaptation. However, supervision comp...

Wei Chen, Junle Chen, Yi-Tong Yang et al. · 0 citations
#artificial intelligence Preprint Oct 2026

You Changed Your Mind, The Model Didn't: Demystifying Intent in Multi-Turn Dialogue

When a large language model handles a multi-turn task and a user proposes a change but ultimately rejects it, the model should continue as if nothing changed. We find a surprising failure: merely mentioning a rejected change can derail task execution, even when the user's final intent remains unchanged. To systematical...

Junle Chen, Wei Chen, Zheng-Jun Huang et al. · 0 citations

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