Author

Yixuan Xu

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#machine learning Preprint Oct 2026

Scaling Laws for Multimodal Data Mixtures

Frontier AI systems are increasingly natively multimodal, jointly pretrained on multiple modalities, such as text, vision, and audio. However, the scientific understanding of the multimodal data mixtures used to pretrain these systems --- how much of each modality to mix, and at what potential interference cost to the...

Aditi Khandelwal, A. Tarun, Yi-Xuan Xu et al. · 0 citations

Jul 2026

Text Template Tokens Are Implicit Semantic Registers in Diffusion Transformers

A causal interpretability framework is introduced that reveals that the tokens encoding semantics at the input need not be those that maintain them during generation, but also provides a causal view of internal mechanisms in diffusion transformers.

Maohua Li, Qi-Rui Li, Yanke Zhou et al. · arXiv.org · 0 citations