Rethinking LLM Fine-Tuning via Weight Space Reparameterization: Preserving Safety during Downstream Adaptation

arXiv:2610.26443 · cs.LG, cs.AI · Submitted 2026-10-19 · Read on arXiv

cs.LG, cs.AI

Submitted: 2026-10-19

Updated: 2026-10-19

Comments: 32 pages, 5 figures. Accepted at NeurIPS 2026(spotlight)

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Adaptation — 1× in this paper · explained in 1 episode
• Fine-Tuning — 1× in this paper · explained in 5 episodes

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