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Yue-Ran Ma

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#machine learning Preprint Oct 2026

LoRA's Second Descent Extends Beyond Parameter Parity

Double descent has sparked considerable interest, with recent work relating it to the data, the model and the learning configuration. Practical fine-tuning commonly involves training a small adapter on top of frozen pretrained weights, as in low-rank adaptation (LoRA). The adapter's rank is the hyperparameter that sets...

Yue-Ran Ma · 0 citations
#machine learning Preprint Sep 2026

Seeing What Should Be Heard: Diagnosing and Repairing Cross-Modal Shortcuts in Omni-Modal LLMs

DMC-Repair is proposed, which trains models on the same kind of cross-modal swapped samples while assigning supervision according to the modality specified by the question, and reduces the image-induced share of the answer effect by 59.9%, effectively suppressing the cross-modal shortcut without compromising audio-ques...

Yue-Ran Ma, Ronghao Lin · 0 citations

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