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#natural language process... Preprint Oct 2026

Not Every Change Is Necessary: Recoverable Drift in Large Language Model Unlearning

Machine unlearning in large language models aims to remove unwanted knowledge while preserving the model's remaining capabilities. Although existing methods use retention objectives or restrict where edits occur, achieving the desired forgetting level can still leave collateral changes that impair non-target behavior....

Xun-Lei Chen, Qing Gong, Jing-Kun Xue et al. · 0 citations
Preprint Sep 2026

GRACE: Adaptive Concept Erasure with Geometry-Guided Retention in Diffusion Models

This work proposes GRACE, a structured concept erasure framework designed to enable localized and selective intervention, and introduces a semantically weighted sensitive subspace estimation to precisely lock intervention directions, and employs lightweight subspace-constrained adapters to prevent global semantic distu...

Qing Gong, Yi-Huai Liang, Yuan-Lun Xie et al. · 0 citations
#artificial intelligence Preprint Apr 2026

DSS: Dynamic Semantic Steering for Robust Concept Erasure in Diffusion Models

Dynamic Semantic Steering (DSS) is proposed, a training-free, inference-time defense framework for robust and controllable concept erasure under prompt-level adversarial settings and achieves strong and consistent suppression across diverse concept categories and adversarial prompts.

Qing Gong, Zheng-Chun Zhou, Hua Meng et al. · 0 citations
#diffusion models Preprint Sep 2026

Gaussian Core LoRA: Distribution-Aware Dynamic Adaptation for Broad Concept Erasure

Gaussian Core LoRA, a distribution-aware low-rank adaptation framework that enables prototype-adaptive erasure with a single lightweight adapter, and shows robustness to adversarial prompts, scalability to multi-identity and multi-style erasure, and compatibility with SDXL and FLUX.

Qing Gong, Xun-Lei Chen, Yu-Xuan Zhang et al. · 0 citations

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