Author

Jiong-Hao Zhu

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#machine learning Preprint Oct 2026

How Should Teachers Be Prepared? RL on Student-Induced States for On-Policy Distillation

On-policy distillation (OPD) improves the reasoning capabilities of small language models through token-level teacher supervision on student-generated trajectories. Yet can teachers that excel at solving problems independently also guide student reasoning effectively? Prior work shows that when student prefixes follow...

Xiao-Yu Ma, Hao-Yue Liu, Zhi-Chao Wang et al. · 0 citations

#artificial intelligence Preprint Aug 2026

SEPO: Evidence-Grounded Prompt Optimization via Structural Editing

This paper introduces SEPO (Structural, Evidence-grounded Prompt Optimization), a multi-trajectory prompt optimiser centred on edit-effect lineage feedback that makes prompt optimisation addressable, attributable, and actionable.

Xiao-Yu Ma, Hao-Yue Liu, Yiwen Li et al. · 0 citations