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Shi-Zheng Wen

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#machine learning Preprint Sep 2026

Preconditioned Physics-Informed Neural Operator Training

Neural operators are typically trained in a supervised fashion, which requires a dataset to be generated with a classical solver. Training them physics-informed, i.e., purely from the governing equations, removes this large offline cost and allows fresh samples to be drawn at every optimization step, but has so far bee...

Shi-Zheng Wen, Siddhartha Mishra, Marius Zeinhofer · 0 citations
#machine learning Preprint Sep 2026

Does Transolver really need a Transformer?

The widely used Transolver family of neural operators is based on physics-attention, which softly assigns the points of an unstructured mesh to a small number of slices, applies self-attention among the resulting tokens, and broadcasts the result back to the points. We provide a comprehensive empirical and theoretical...

Shi-Zheng Wen, Siddhartha Mishra · 0 citations

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