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Mingxuan Xia

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#artificial intelligence Preprint Sep 2026

PreSO: Privileged Representation Isolation for On-Policy Self-Distillation

On-policy self-distillation (OPSD) uses a self-teacher conditioned on privileged information to turn the sparse outcome signal of reinforcement learning with verifiable rewards (RLVR) into dense token-level supervision. Yet the teacher's advantage may depend on information unavailable to the student at inference, raisi...

Yu-Hang Yang, Ming-Xuan Xia, Chao-Nan Ye et al. · 0 citations
Conference Open access Sep 2026

Dual Branch Mutual Teaching for Long-Tailed Partial Label Learning

In Partial Label Learning (PLL), each instance is associated with a candidate label set, with exactly one label being true. While most studies implicitly assume balanced class distributions, real-world data often exhibit severe class imbalance distributions, leading to the Long-Tailed Partial Label Learning (LT-PLL) pr...

Xiangyu Ren, Mingxuan Xia, Guang-Cheng Zhu et al. · 0 citations

Enhancing Rubric-based RL via Self-Distillation

Criterion-Distilled Policy Optimization (CriPO), which enhances rubric-based RL via on-policy self-distillation via on-policy self-distillation, to simultaneously address both unexplored and suppressed criteria.

Mingxuan Xia, Yuhang Yang, Chaonan Ye et al. · 3 citations · ⚡2

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