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Yijiang Li

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Jul 2026

Visual Contrastive Self-Distillation

This work proposes Visual Contrastive Self-Distillation, namely VCSD, which converts image-content removal into an on-policy self-distillation signal, and consistently outperforms matched OPSD across Qwen3-VL and Qwen3.5 models.

Yijun Liang, Yunjie Tian, Yijiang Li et al. · 5 citations
#machine learning Preprint Aug 2026

Learn What's Left, Not What's Mastered: Saturation Aware Advantage Reweighting for Multi-Reward Policy Optimization

Saturation Aware Advantage Reweighting for Multi-Reward Policy Optimization (SA-MRPO), which standardizes each reward objective independently and adaptively discounts its contribution according to a batch-level estimate of objective saturation, and dynamically reallocates optimization effort toward under-optimized obje...

Yi-Xuan Wang, Yi-Fei Chen, Haichao Zhang et al. · 3 citations · ⚡1
Preprint Aug 2026

Self-Supervised Visual On-Policy Distillation

Self-Supervised Visual On-Policy Distillation (S$^2$VOPD), a simple yet effective method that constructs on-policy learning signals from asymmetric augmented views, systematically explores a broad design space of visual augmentations and uncover that asymmetry matters.

Yijiang Li, Yijun Liang, Yunjie Tian et al. · 0 citations
Preprint Aug 2026

Demystifying Agent Skills: Why They Work-Until They Don't

This work designs a contrastive study that combines controlled quantitative experiments with paired trajectory analysis and consolidates observations into a taxonomy of three high-level categories and twelve skill-use modes, showing that skills work when noisy trajectories become procedural anchors that stabilize execu...

Zhi-Yuan Jiang, Fan Huang, Hanwen Xing et al. · 4 citations · ⚡1
Preprint Aug 2026

On-Policy Self-Distillation without Any Supervision

U-OPSD first samples multiple rollouts and constructs a pseudo solution by majority vote under a self-consistency threshold, and conditions the model's distribution on the pseudo-solution and distills itself on the disagreeing completions, allowing the model to correct itself precisely where it is confidently wrong.

Yijiang Li, Bingyang Wang, Yijun Liang et al. · 10 citations · ⚡1
#artificial intelligence Preprint Aug 2026

Co-RL: Unsupervised Reasoning Emerges from Diverse Cohort in Multi-agent RL

This work introduces Co-RL, a framework in which multiple decoupled models, sharing no parameters, are simultaneously optimized through RL using rewards derived from their peers, and shows that unsupervised reasoning can emerge through cooperative multi-agent training.

Yunhao Yang, Yuexin Bian, Yun-Jie Tian et al. · 1 citation

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