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Xujia Chen

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#artificial intelligence Preprint Sep 2026

OmniFysics-Nano-V2 Technical Report: Understanding the Physical World Across Modalities

Omni-modal models have expanded multimodal interaction across vision, audio, speech, and language. However, their training is predominantly organized around semantic descriptions and general-purpose objectives, leaving physical attributes, interaction states, and causal mechanisms only partially specified. This gap is...

Yi-Zhou Liu, Jing-Hang Han, Kai Qiu et al. · 0 citations
Preprint Aug 2026

Continual-Learning Physics-Informed Neural Networks for Parameterized Partial Differential Equations

A continual-learning physics-informed neural network (CL-PINN), which combines Bayesian-optimization-based active parameter selection, task-wise dynamic loss weighting, sparse physics-constrained replay, and an optional parameter subnetwork to improve task allocation and knowledge retention under bounded active-task ca...

Xu-Jia Chen, Xinyu Hu, Letian Chen et al. · 0 citations

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