Preprint
Jul 2026
LP-SFT: Local-Preserving Supervised Fine-Tuning via Multimodal Entropy Structure
LP-SFT, a Local-Preserving Supervised Fine-Tuning objective designed to explicitly protect this inherent entropy structure, improves overall performance over vanilla SFT and recent SFT-enhancement baselines, suggesting that local preservation helps mitigate capability degradation without collapsing sampling-accessible diversity.
Yueyang Wang, Baolong Bi, Shuo Lu et al.
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