Author

Zhe-Hang Du

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#artificial intelligence Preprint Sep 2026

Artificial intelligences and human scientists exhibit complementary strengths in theory building

We investigate the effectiveness of artificial intelligences (AI)-specifically large language models (LLMs)-relative to human scientists at high-level cognitive tasks in social science such as theory formulation, predictions of novel empirical results, and theory revision in response to new evidence. The research domai...

Ke Li, S. Zoumpoulis, P. Puranam et al. · 0 citations

#machine learning Preprint Sep 2026

Rank-Efficient LoRA via Joint Tangent-Space Optimization under Isotropic Curvature

Low-Rank Adaptation (LoRA) is an effective approach for adapting large pretrained models by learning low-rank weight updates. In practice, the LoRA rank is used to control an adapter's parameter budget and representational capacity. We show that this view is incomplete: while the nominal rank determines the representat...

Zi-Han Zhu, Zhe-Hang Du, Xu-Yang Chen et al. · 0 citations