Author

Yao Fan

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Preprint Aug 2026

Look Ahead Before You Distill: Future Trajectory Validation of Teacher Guidance for Agentic On-Policy Distillation

This work proposes FutureBridge-OPD (FTB), which executes a short teacher bridge at a high disagreement state and uses the resulting student continuation to assess whether the bridge increases the density of positive distillation signals relative to the teacher.

Chishui Chen, Yao Fan, Te Sun et al. · 7 citations · ⚡3

#natural language process... Preprint Aug 2026

Uncovering and Mitigating Aggregation-Induced Reward Hacking in Multi-Reward Reinforcement Learning

Adaptive Multi-Reward Projection is proposed, a lightweight online method that reallocates aggregation weights using three signals, relative shortfall, reward volatility, and recent progress, increasing pressure on lagging, unstable, or stagnant dimensions while relieving saturated ones.

Yu Yuan, Yao Fan, Lili Zhao et al. · 3 citations