Feb. 13, 2024, 5:42 a.m. | Chengxi Zeng Tilo Burghardt Alberto M Gambaruto

cs.LG updates on arXiv.org arxiv.org

Physics-Informed Neural Networks (PINNs) have emerged as an iconic machine learning approach for solving Partial Differential Equations (PDEs). Although its variants have achieved significant progress, the empirical success of utilising feature mapping from the wider Implicit Neural Representations studies has been substantially neglected. We investigate the training dynamics of PINNs with a feature mapping layer via the limiting Conjugate Kernel and Neural Tangent Kernel, which sheds light on the convergence and generalisation of the model. We also show the inadequacy …

cs.ai cs.ce cs.lg differential dynamics feature implicit neural representations machine machine learning mapping networks neural networks physics physics-informed progress studies success training variants

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