arXiv Machine Learning By Michael Ludkovski, Changgen Xie, Zimu Zhu

DeepPAAC: A New Deep Galerkin Method for Principal-Agent Problems

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arXiv:2511. 04309v3 Announce Type: replace-cross Abstract: We consider numerical resolution of principal-agent (PA) problems in continuous time.

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arXiv Statistics ML
Aug 24

Convergence of the Deep Galerkin Method for Finite State Mean Field Control Problems

The paper proves that the deep Galerkin method (DGM) converges when applied to Hamilton‑Jacobi‑Bellman equations derived from finite‑state mean field control problems. By showing that the DGM loss can be driven arbitrarily low under sufficient regularity of the value function, and that a vanishing loss forces uniform convergence of the neural network approximators to the true value function on the simplex, the authors establish both existence and convergence results for the DGM. Numerical experiments further illustrate the method’s ability to handle high‑dimensional HJB equations.

By William Hofgard, Jingruo Sun, Asaf Cohen
arXiv Machine Learning
Jul 28

Global Convergence of DGM and PINN Algorithms for Solving Nonlinear PDEs

arXiv:2607. 24726v1 Announce Type: new Abstract: The Deep Galerkin Method (DGM) and Physics Informed Neural Networks (PINNs) have become widely-used methods for solving partial differential equations (PDEs) in the rapidly growing field of scientific machine learning.

By Justin Sirignano, Konstantinos Spiliopoulos, Samuel Cohen
arXiv Machine Learning
5d ago

Deep-Learning Solvers and Surrogates for Infinity and p-Laplace Problems

The paper explores neural network solvers for infinity and p‑Laplace problems, employing Physics‑Informed Neural Networks (PINNs) and Deep Operator Networks (DeepONets). It addresses computational challenges for large p values (2 to 1000) across 2D and 3D domains, showing advantages over traditional mesh‑based solvers, especially in three dimensions. The authors provide conditional convergence results for PINNs, a universal approximation theorem for DeepONet on the parametric p‑Poisson problem, and validate their methods with numerical experiments comparing performance to conventional approaches.

By Tak Shing Au Yeung, Ka Chun Cheung, Hannah Potgieter, Steven J. Ruuth, Simon See
arXiv Machine Learning
Sep 14

Deep learning methods for inverse problems using connections between proximal operators and Hamilton-Jacobi equations

The paper proposes a deep learning framework that learns priors for inverse problems by exploiting the relationship between proximal operators and Hamilton–Jacobi partial differential equations. Unlike existing methods that require inverting the prior after training, this approach learns the prior directly, enabling efficient evaluation in a single forward pass. Numerical experiments demonstrate the method’s effectiveness in dimensions up to 64.

By Oluwatosin Akande, Gabriel P. Langlois, Akwum Onwunta