Yi Dong

Frequency Is Not Sensitivity Identifying Safety-Sensitive Experts in Sparse MoE LLM

Suppressing a small set of routed experts can weaken the safety behavior of a sparse Mixture-of-Experts (MoE) language model without retraining. Which experts to suppress is therefore a security question, and the usual answer is activation frequency, but frequency measures use, not influence. We test an alternative: ro...