Neutral residues: gated capacity extension with reduced forgetting

What changed

Added trainable residual adapter capacity with domain-aware gating, near-neutral initialization and local sparsity/domain objectives, jointly studying data mixing and training for new-language extension.

Scientific scope

Added trainable residual adapter capacity with domain-aware gating, near-neutral initialization and local sparsity/domain objectives, jointly studying data mixing and training for new-language extension. Inherits adapters and mixture-of-experts components. Near-zero original-domain residuals and retained performance are approximate and empirically tested, not exact non-forgetting guarantees; additional capacity and mixed-data training incur costs.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Inherits adapters and mixture-of-experts components. Near-zero original-domain residuals and retained performance are approximate and empirically tested, not exact non-forgetting guarantees; additional capacity and mixed-data training incur costs.

Contributors

• Source-listed authors and technical contributors · SCIENCE: Source-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities.

• Neutral residues: revisiting adapters for model extension
• Kyutai scientific publications index

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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