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Xun-Lei Chen

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#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
Preprint Aug 2026

Unlearning Is Not Just Erasing: Temporal Decoupling via Generation Inequality

ADU is presented, a fine-grained, training-based framework that shifts unlearning from token erasure to contextual attention-pathway decoupling, and achieves the strongest aggregate performance among evaluated baselines on the TOFU and WMDP benchmarks.

Xun-Lei Chen, Qirui Ye, Yuang Li et al. · 0 citations

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