Author

Xiao Han

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#artificial intelligence Preprint Sep 2026

Rethinking Multi-Image Re-Representation in Multi-Image Understanding

Multi-image understanding requires MLLMs not only to recognise the content of individual images, but also to organise visual evidence distributed across them. We study this problem through multi-image re-representation, viewing prompted Chain-of-Thought reasoning and agentic visual tool use as different ways of re-orga...

Geng-Yuan Zhang, Xiao Han, Xin-Yu Xie et al. · 0 citations

Preprint Aug 2026

Scaling Muon for Diffusion Transformers

Periodic Row-wise Muon is introduced, which performs a full NS5 spectral update once every \(K\) steps and applies a low compute and communication cost row-wise constrained update based on the current momentum at the remaining steps to preserve Muon's generative quality advantage while translating it into end-to-end tr...

Chenghao Li, Xiao Han, Xin-Xin Huang et al. · 0 citations