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Wen Luo

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#machine learning Preprint Sep 2026

Graph-Conditioned On-Policy Agent Distillation from Off-the-Shelf Teachers

On-policy distillation (OPD) trains compact language agents with teacher feedback on student-generated trajectories. In multi-turn tasks, compounding errors can move students beyond the teacher's effective supervision. We introduce Graph-Conditioned On-Policy Agent Distillation (GC-OPD), which enriches an off-the-shelf...

Xiao-Han Yi, Wen Luo, Ya-Ni Huang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

On-Policy Visual Evidence Distillation

Reflection on Visual Evidence (ReVuE), an on-policy distillation method for visual agents that translates trajectory-level evidence diagnosis into targeted token-level supervision, guiding students to improve their visual evidence acquisition and reasoning.

Shaohang Wei, Feifan Song, Guangyue Peng et al. · 0 citations
#machine learning Preprint Jul 2026

Verifier-Induced Support Reshaping in On-Policy Optimization

It is shown that on-policy reinforcement learning with verifiable rewards (RLVR) can improve the current objective while making successful behaviors for later objectives too rare to sample and reinforce, and effective rewardable support is defined as successful trajectories reachable within a fixed rollout budget.

Shaohang Wei, Z.Y. Su, Feifan Song et al. · 0 citations

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