Ouyang Zhen

Papers on Lattice

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Publication activitypapers/week, last 8 weeks

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Architecture Design (Transformers, SSMs, MoE) (1)Red-Teaming & Adversarial Robustness (1)RLHF & Preference Learning (1)

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Zhibo Zhang (1)Yuxi Li (1)Ling Shi (1)Kailong Wang (1)

Papers (1)

May 28, 2026

3d ago·also Beihang

Understanding Safety-Sensitive Expert Behavior in Mixture-of-Experts LLMs

Safety in MoE LLMs isn't about routing harmful requests to "refusal experts"—it's surprisingly localized within specific experts, and you can break it without significantly changing the model's overall routing behavior.

Zhibo Zhang, Yuxi Li, Ouyang Zhen +2

Architecture Design (Transformers, SSMs, MoE)Red-Teaming & Adversarial Robustness RLHF & Preference Learning

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Ouyang Zhen

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)