Author

Xiang Liu

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#artificial intelligence Preprint Oct 2026

Nullify: Null-Space Activation Steering for Training-Free LLM Unlearning

By avoiding weight updates entirely, Nullify serves as an efficient, plug-and-play inference-time intervention framework for LLM unlearning, and matches or surpasses established baselines in forget quality while achieving near-lossless preservation of model utility.

Wei Zhai, Xiang Liu, Qiang Huang et al. · 0 citations

#artificial intelligence May 2026

δ-mem: Efficient Online Memory for Large Language Models

Results show that effective memory can be realized through a compact online state directly coupled with attention computation, without full fine-tuning, backbone replacement, or explicit context extension.

Jing-Di Lei, Di Zhang, Junxian Li et al. · arXiv.org · 10 citations