Search Results for author: Stefan Chmiela

Found 13 papers, 8 papers with code

From Peptides to Nanostructures: A Euclidean Transformer for Fast and Stable Machine Learned Force Fields

1 code implementation21 Sep 2023 J. Thorben Frank, Oliver T. Unke, Klaus-Robert Müller, Stefan Chmiela

Recent years have seen vast progress in the development of machine learned force fields (MLFFs) based on ab-initio reference calculations.

Algorithmic Differentiation for Automated Modeling of Machine Learned Force Fields

1 code implementation25 Aug 2022 Niklas Frederik Schmitz, Klaus-Robert Müller, Stefan Chmiela

Reconstructing force fields (FFs) from atomistic simulation data is a challenge since accurate data can be highly expensive.

Computational Efficiency

BIGDML: Towards Exact Machine Learning Force Fields for Materials

no code implementations8 Jun 2021 Huziel E. Sauceda, Luis E. Gálvez-González, Stefan Chmiela, Lauro Oliver Paz-Borbón, Klaus-Robert Müller, Alexandre Tkatchenko

Machine-learning force fields (MLFF) should be accurate, computationally and data efficient, and applicable to molecules, materials, and interfaces thereof.

BIG-bench Machine Learning

Detect the Interactions that Matter in Matter: Geometric Attention for Many-Body Systems

1 code implementation4 Jun 2021 Thorben Frank, Stefan Chmiela

Attention mechanisms are developing into a viable alternative to convolutional layers as elementary building block of NNs.

SpookyNet: Learning Force Fields with Electronic Degrees of Freedom and Nonlocal Effects

no code implementations1 May 2021 Oliver T. Unke, Stefan Chmiela, Michael Gastegger, Kristof T. Schütt, Huziel E. Sauceda, Klaus-Robert Müller

Machine-learned force fields (ML-FFs) combine the accuracy of ab initio methods with the efficiency of conventional force fields.

Machine Learning Force Fields

no code implementations14 Oct 2020 Oliver T. Unke, Stefan Chmiela, Huziel E. Sauceda, Michael Gastegger, Igor Poltavsky, Kristof T. Schütt, Alexandre Tkatchenko, Klaus-Robert Müller

In recent years, the use of Machine Learning (ML) in computational chemistry has enabled numerous advances previously out of reach due to the computational complexity of traditional electronic-structure methods.

BIG-bench Machine Learning Computational chemistry

Ensemble Learning of Coarse-Grained Molecular Dynamics Force Fields with a Kernel Approach

no code implementations4 May 2020 Jiang Wang, Stefan Chmiela, Klaus-Robert Müller, Frank Noè, Cecilia Clementi

Using ensemble learning and stratified sampling, we propose a 2-layer training scheme that enables GDML to learn an effective coarse-grained model.

Ensemble Learning

Local Function Complexity for Active Learning via Mixture of Gaussian Processes

no code implementations27 Feb 2019 Danny Panknin, Stefan Chmiela, Klaus-Robert Müller, Shinichi Nakajima

Inhomogeneities in real-world data, e. g., due to changes in the observation noise level or variations in the structural complexity of the source function, pose a unique set of challenges for statistical inference.

Active Learning GPR +1

Molecular Force Fields with Gradient-Domain Machine Learning: Construction and Application to Dynamics of Small Molecules with Coupled Cluster Forces

1 code implementation19 Jan 2019 Huziel E. Sauceda, Stefan Chmiela, Igor Poltavsky, Klaus-Robert Müller, Alexandre Tkatchenko

The analysis of sGDML molecular dynamics trajectories yields new qualitative insights into dynamics and spectroscopy of small molecules close to spectroscopic accuracy.

Chemical Physics Computational Physics Data Analysis, Statistics and Probability

sGDML: Constructing Accurate and Data Efficient Molecular Force Fields Using Machine Learning

1 code implementation12 Dec 2018 Stefan Chmiela, Huziel E. Sauceda, Igor Poltavsky, Klaus-Robert Müller, Alexandre Tkatchenko

We present an optimized implementation of the recently proposed symmetric gradient domain machine learning (sGDML) model.

Computational Physics

Towards Exact Molecular Dynamics Simulations with Machine-Learned Force Fields

1 code implementation26 Feb 2018 Stefan Chmiela, Huziel E. Sauceda, Klaus-Robert Müller, Alexandre Tkatchenko

Molecular dynamics (MD) simulations employing classical force fields constitute the cornerstone of contemporary atomistic modeling in chemistry, biology, and materials science.

Chemical Physics

SchNet: A continuous-filter convolutional neural network for modeling quantum interactions

5 code implementations NeurIPS 2017 Kristof T. Schütt, Pieter-Jan Kindermans, Huziel E. Sauceda, Stefan Chmiela, Alexandre Tkatchenko, Klaus-Robert Müller

Deep learning has the potential to revolutionize quantum chemistry as it is ideally suited to learn representations for structured data and speed up the exploration of chemical space.

 Ranked #1 on Time Series on QM9

Formation Energy Time Series

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