no code implementations • 16 Apr 2024 • Blaine Quackenbush, Paul J. Atzberger
We introduce Geometric Neural Operators (GNPs) for accounting for geometric contributions in data-driven deep learning of operators.
no code implementations • 7 Feb 2023 • Panos Stinis, Constantinos Daskalakis, Paul J. Atzberger
We introduce adversarial learning methods for data-driven generative modeling of the dynamics of $n^{th}$-order stochastic systems.
1 code implementation • 10 Jun 2022 • Ryan Lopez, Paul J. Atzberger
We develop data-driven methods incorporating geometric and topological information to learn parsimonious representations of nonlinear dynamics from observations.
1 code implementation • 29 Jul 2021 • Paul J. Atzberger
MLMOD is a software package for incorporating machine learning approaches and models into simulations of microscale mechanics and molecular dynamics in LAMMPS.
no code implementations • 7 Dec 2020 • Ryan Lopez, Paul J. Atzberger
We develop data-driven methods for incorporating physical information for priors to learn parsimonious representations of nonlinear systems arising from parameterized PDEs and mechanics.
2 code implementations • 7 Sep 2019 • Nathaniel Trask, Ravi G. Patel, Ben J. Gross, Paul J. Atzberger
Data fields sampled on irregularly spaced points arise in many applications in the sciences and engineering.
no code implementations • 15 Jan 2019 • David A. Rower, Paul J. Atzberger
We develop coarse-grained particle approaches for studying the elastic mechanics of vesicles with heterogeneous membranes having phase-separated domains.
Soft Condensed Matter
no code implementations • 7 Aug 2018 • Paul J. Atzberger
There is a strong need for further mathematical developments on the foundations of machine learning methods to increase the level of rigor of employed methods and to ensure more reliable and interpretable results.
no code implementations • 25 Oct 2017 • Arya A Pourzanjani, Richard M Jiang, Brian Mitchell, Paul J. Atzberger, Linda R. Petzold
We show how the Givens representation can be used to develop practical methods for transforming densities over the Stiefel manifold into densities over subsets of Euclidean space.