Neural Operator
Neural operators are deep learning models designed to learn mappings between infinite-dimensional function spaces, primarily focusing on efficiently solving and analyzing partial differential equations (PDEs). Current research emphasizes improving the accuracy, efficiency, and interpretability of these operators, exploring architectures like Fourier neural operators, DeepONets, and state-space models, as well as incorporating physics-informed learning and techniques like multigrid methods. This field is significant because it offers a powerful alternative to traditional numerical methods for solving complex PDEs, impacting diverse scientific domains and enabling faster, more accurate simulations in areas such as fluid dynamics, materials science, and climate modeling.
Papers
FB-HyDON: Parameter-Efficient Physics-Informed Operator Learning of Complex PDEs via Hypernetwork and Finite Basis Domain Decomposition
Milad Ramezankhani, Rishi Yash Parekh, Anirudh Deodhar, Dagnachew Birru
Integrating Neural Operators with Diffusion Models Improves Spectral Representation in Turbulence Modeling
Vivek Oommen, Aniruddha Bora, Zhen Zhang, George Em Karniadakis