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Weilin Luo

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#artificial intelligence Preprint Sep 2026

SafeCoEvo: Co-Evolving Safety Harnesses and Guards for LLM Agents at Test-Time

LLM agents deployed in real-world environments continually encounter new tasks and safety risks, while execution feedback typically becomes available only after each task is completed. However, existing self-evolving approaches commonly rely on multiple rounds of optimization over fixed and repeatedly accessible task d...

Yu Cheng, Yong-Kang Hu, Shuai-Jie Ma et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Bilevel Coordinated Reflection: A Game-Theoretic Approach to Multi-Agent LLM Systems

Multi-agent LLM systems commonly use an orchestrator to decompose a task for a team of workers and then improve through textual reflection. Despite strong empirical results, these systems lack a unified account of coordination, memory improvement, and the role of external verification. We model orchestrator-worker inte...

Yi-Hang Chen, Yu-Xiang Chen, Yuxuan Huang et al. · 0 citations

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