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Zhe-Xu Wang

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#machine learning Preprint Oct 2026

Outcome-Guided On-Policy Self-Distillation

On-policy self-distillation (OPSD) provides denser token-level supervision and better computational efficiency than Reinforcement Learning with Verifiable Rewards (RLVR). However, this denser supervision may introduce substantial noise and training instability. Existing improvements often rely on high-variance per-toke...

Zhe-Xu Wang, Mao-Lin Luo, Yan-Kun Hong et al. · 0 citations

RL Forgets! Towards Continual Policy Optimization

This work introduces MRCL, a Multimodal Reasoning Continual Learning benchmark, and proposes Continual Policy Optimization (CPO), a replay-free framework grounded in a prior-task behavioral KL objective that consistently reduces forgetting while preserving, and in some cases improving, pretrained model capabilities.

Mao-Lin Luo, Zhe-Xu Wang, Zi-Hao Zhou et al. · 0 citations

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