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Shawn Li

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#artificial intelligence Preprint Oct 2026

SynCo: Data Synthesis Co-Training for Self-Evolving LLMs via Multi-Agent Reinforcement Learning

Self-evolving LLM agents promise to improve autonomously through continual interaction and learning, reducing their dependence on manually curated supervision. Realizing this promise requires not only updating the agent, but also evolving its training experience as its capabilities change. However, most existing pipeli...

Wei Yang, Shawn Li, Yuehan Qin et al. · 1 citation
#artificial intelligence Preprint Sep 2026

Controlled Decoding Attacks on Black-Box LLMs

This work introduces \method{}, a framework for jailbreaking through text-only continuation interfaces that permit repeated sampling and assistant-prefix continuation, and achieves the highest mean score most comparisons against baselines.

Jesson Wang, Shawn Li, Wei Yang et al. · 0 citations
Jul 2026

JigShape: Evaluating Visual-Geometric Reasoning in VLMs through Jigsaw Puzzles

A benchmark with tab-and-blank interlocking pieces where geometric constraints provide strong local compatibility requirements that, combined with visual content, yield unambiguous ground truth is introduced, establishing scalable geometric reasoning as an open challenge for vision-language models.

Shawn Li, Wei Yang, Jike Zhong et al. · 1 citation
Preprint Jul 2026

Artificial Foveated Perception for Mitigating Shortcut Learning in Robotic Foundation Models

Artificial Foveated Perception is proposed, a lightweight, policy-agnostic module that takes the same vision and language inputs as Vision-Language-Action and World Action Model pipelines and predicts task-conditioned masks over relevant objects, the robot, and other action-critical regions and reduces fine-tuning time...

Xia-Tao Sun, Yuan Zhuang, Mateo Sanchez Lopez Negrete et al. · 0 citations

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