Coupling parameter and particle dynamics for adaptive sampling in Neural Galerkin schemes
Training nonlinear parametrizations such as deep neural networks to numerically
approximate solutions of partial differential equations is often based on minimizing a loss …
approximate solutions of partial differential equations is often based on minimizing a loss …
Sparse Cholesky factorization for solving nonlinear PDEs via Gaussian processes
In recent years, there has been widespread adoption of machine learning-based
approaches to automate the solving of partial differential equations (PDEs). Among these …
approaches to automate the solving of partial differential equations (PDEs). Among these …
Physics-informed machine learning as a kernel method
Physics-informed machine learning combines the expressiveness of data-based
approaches with the interpretability of physical models. In this context, we consider a …
approaches with the interpretability of physical models. In this context, we consider a …
A path-dependent PDE solver based on signature kernels
We develop a provably convergent kernel-based solver for path-dependent PDEs (PPDEs).
Our numerical scheme leverages signature kernels, a recently introduced class of kernels …
Our numerical scheme leverages signature kernels, a recently introduced class of kernels …
[HTML][HTML] Gaussian process learning of nonlinear dynamics
One of the pivotal tasks in scientific machine learning is to represent underlying dynamical
systems from time series data. Many methods for such dynamics learning explicitly require …
systems from time series data. Many methods for such dynamics learning explicitly require …
The ADMM-PINNs algorithmic framework for nonsmooth PDE-constrained optimization: a deep learning approach
We study the combination of the alternating direction method of multipliers (ADMM) with
physics-informed neural networks (PINNs) for a general class of nonsmooth partial …
physics-informed neural networks (PINNs) for a general class of nonsmooth partial …
Kernel Methods for the Approximation of the Eigenfunctions of the Koopman Operator
The Koopman operator provides a linear framework to study nonlinear dynamical systems.
Its spectra offer valuable insights into system dynamics, but the operator can exhibit both …
Its spectra offer valuable insights into system dynamics, but the operator can exhibit both …
Toward Efficient Kernel-Based Solvers for Nonlinear PDEs
This paper introduces a novel kernel learning framework toward efficiently solving nonlinear
partial differential equations (PDEs). In contrast to the state-of-the-art kernel solver that …
partial differential equations (PDEs). In contrast to the state-of-the-art kernel solver that …
A kernel approach for pde discovery and operator learning
This article presents a three-step framework for learning and solving partial differential
equations (PDEs) using kernel methods. Given a training set consisting of pairs of noisy …
equations (PDEs) using kernel methods. Given a training set consisting of pairs of noisy …
A mini-batch method for solving nonlinear PDEs with Gaussian processes
Gaussian processes (GPs) based methods for solving partial differential equations (PDEs)
demonstrate great promise by bridging the gap between the theoretical rigor of traditional …
demonstrate great promise by bridging the gap between the theoretical rigor of traditional …