Author

A. Acedo

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Preprint Aug 2026

Omega-S: A Functional Resilience Index for LLM Fine-Tuning

Omega-S, a drop-in penalty computed from the weight matrix alone, is presented, a drop-in penalty computed from the weight matrix alone that needs no previous-task data, no Fisher matrix and no stored copy of the old weights and adds under 4% to the cost of a step.

A. Acedo · 0 citations