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Author

Yizhen Yuan

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#artificial intelligence Preprint Sep 2026

Rethinking Multi-Agent Collaboration: When More Is Less

SAIGE, a lightweight multi-agent collaboration mechanism based on Semantic-Aware Incremental Graph Evolution, is proposed, suggesting that multi-agent superiority is bounded by task structure rather than universal, and that more agents do not necessarily make a system more intelligent.

Yizhen Yuan, Yi-Bo Wu, Yi-Han Zhang et al. · 0 citations
Jul 2026

Don't Mix Rewards, Mix Policies: Policy Decomposition and Optimization for Multi-Reward RL

This work proposes PRISM, a new multi-reward RL framework built upon the idea of policy-space decomposition and composition, which alleviates the potential conflict during multi-reward policy optimization, while enabling controllability during inference by flexible policy composition.

Ruiming Liang, Yin-Jie Zhong, Yizhen Yuan et al. · 1 citation

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