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Christoph Ortner

3 accepted papers

2024

Equivariant Matrix Function Neural Networks

ICLR 2024spotlight

Graph Neural Networks (GNNs), especially message-passing neural networks (MPNNs), have emerged as powerful architectures for learning on graphs in diverse applications. However, MPNNs face challenges when modeling non-local interactions in systems such as large conjugated molecules, metals, or amorp…

Cited by 7SourcePDFScholar
2023

A General Framework for Equivariant Neural Networks on Reductive Lie Groups

NeurIPS 2023poster

Reductive Lie Groups, such as the orthogonal groups, the Lorentz group, or the unitary groups, play essential roles across scientific fields as diverse as high energy physics, quantum mechanics, quantum chromodynamics, molecular dynamics, computer vision, and imaging. In this paper, we present a gen…

Cited by 9SourcePDFScholar
2022

MACE: Higher Order Equivariant Message Passing Neural Networks for Fast and Accurate Force Fields

NeurIPS 2022accept

Creating fast and accurate force fields is a long-standing challenge in computational chemistry and materials science. Recently, Equivariant Message Passing Neural Networks (MPNNs) have emerged as a powerful tool for building machine learning interatomic potentials, outperforming other approaches in…