Author

Jianshu Zhang

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#artificial intelligence Preprint Oct 2026

VASPO: Self-Distillation with Privileged Value Estimation

On-policy self-distillation provides dense supervision for reasoning models via a privileged self-teacher. However, this supervision reflects local token preferences rather than the expected return of an unguided student continuation. Recent methods combine this signal with GRPO. They use GRPO for update directions and...

Fei Wu, Zhen-Rong Zhang, Jian-Shu Zhang et al. · 0 citations

#machine learning May 2026

PEARL: Training Socratic Tutors with Pedagogically Aligned Reinforcement Learning

This work proposes PEARL, a PEdagogically Aligned Reinforcement Learning framework for training Socratic tutoring agents, and introduces a controllable student simulator that disentangles latent cognitive states from response generation, enabling simulation of diverse abilities and misconceptions.

Qikai Chang, Zhenrong Zhang, Lin-Bo Chen et al. · arXiv.org · 0 citations