Author

Pei-Yao Chen

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Preprint Sep 2026

Asking the World: Generalist Physical Reasoning through Agentic World Modeling and Probing

Physical reasoning from video requires inferring latent physical properties and dynamics beyond direct observation. Direct VLM inference remains unreliable on complex physical tasks without explicit modeling and validation, while predefined tool pipelines rely on task- and domain-specific priors that limit generalizati...

Shen-Xiang Zeng, Chen Yang, Pei-Yao Chen et al. · 0 citations

#machine learning Preprint Sep 2026

Beyond Arbitrary Geometry: Topology Generalization In neural PDE Operators

Neural operators that accept arbitrary meshes are often treated as geometry-general, but unseen domain topology changes both the invariant and decaying subspaces of a PDE operator. We use Hodge heat flow as a controlled lens on this distinction and introduce TopoBox-3D, where tunnels and cavities vary Betti support whi...

Pei-Yao Chen, Zhou-Yuan Xu, Ran Ding et al. · 0 citations