Great job! I wish that I had seen this earlier. I would like to recommend 1. [When and why PINNs fail to train: A neural tangent kernel perspective](https://arxiv.org/abs/2007.14527) 2. [On the eigenvector bias of Fourier feature networks: From regression to solving multi-scale PDEs with physics-informed neural networks](https://arxiv.org/abs/2012.10047) 3. [Learning the solution operator of parametric partial differential equations with physics-informed DeepOnets](https://arxiv.org/abs/2103.10974) 4. [Long-time integration of parametric evolution equations with physics-informed DeepONets](https://arxiv.org/abs/2106.05384)
Great job! I wish that I had seen this earlier.
I would like to recommend