3 papers
cs.LG2025
Rapid training of Hamiltonian graph networks using random features
Atamert Rahma, Chinmay Datar, Ana Cukarska +1
Learning dynamical systems that respect physical symmetries and constraints remains a fundamental challenge in data-driven modeling. Integrating physical laws with graph neural net…
cs.LG2024
Training Hamiltonian neural networks without backpropagation
Atamert Rahma, Chinmay Datar, Felix Dietrich
Neural networks that synergistically integrate data and physical laws offer great promise in modeling dynamical systems. However, iterative gradient-based optimization of network p…
math.NA2024
Fast training of accurate physics-informed neural networks without gradient descent
Chinmay Datar, Taniya Kapoor, Abhishek Chandra +6
Solving time-dependent Partial Differential Equations (PDEs) is one of the most critical problems in computational science. While Physics-Informed Neural Networks (PINNs) offer a p…