Author

Aarnav Choudhary

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Preprint Jul 2026

Asymmetric Collapse in Model Merging: When Refusal Over- writes Recognition

Standard model merging can collapse safety recognition into broad refusal when safety-relevant task vectors differ substantially in scale, and results show that standard model merging can collapse safety recognition into broad refusal when safety-relevant task vectors differ substantially in scale.

Aarnav Choudhary, Matheus Rocha, Jiwon Seo et al. · 0 citations