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In this paper, we use support vector machines (SVM) to develop a machine learning framework to discover phase space structures that distinguish between distinct reaction pathways. The SVM model is trained using data from trajectories of…

Chemical Physics · Physics 2022-01-06 Vladimír Krajňák , Shibabrat Naik , Stephen Wiggins

Complex microscopic many-body processes are often interpreted in terms of so-called `reaction coordinates', i.e. in terms of the evolution of a small set of coarse-grained observables. A rigorous method to produce the equation of motion of…

Statistical Mechanics · Physics 2019-05-22 Hugues Meyer , Thomas Voigtmann , Tanja Schilling

Using random walk sampling methods for feature learning on networks, we develop a method for generating low-dimensional node embeddings for directed graphs and identifying transition states of stochastic chemical reacting systems. We…

Numerical Analysis · Mathematics 2020-10-30 Paula Mercurio , Di Liu

Learning predictive models from interaction with the world allows an agent, such as a robot, to learn about how the world works, and then use this learned model to plan coordinated sequences of actions to bring about desired outcomes.…

Machine Learning · Computer Science 2020-01-01 Karl Schmeckpeper , Annie Xie , Oleh Rybkin , Stephen Tian , Kostas Daniilidis , Sergey Levine , Chelsea Finn

High-dimensional metastable molecular system can often be characterised by a few features of the system, i.e. collective variables (CVs). Thanks to the rapid advance in the area of machine learning and deep learning, various deep…

Machine Learning · Computer Science 2023-08-10 Wei Zhang , Christof Schütte

Visual relationship detection aims to identify objects and their relationships in images. Prior methods approach this task by adding separate relationship modules or decoders to existing object detection architectures. This separation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Tim Salzmann , Markus Ryll , Alex Bewley , Matthias Minderer

In addition to translational and rotational symmetries, clusters of identical interacting particles possess permutational symmetry. Coarse-grained models for such systems are instrumental in identifying metastable states, providing an…

Chemical Physics · Physics 2025-07-02 Jiaxin Yuan , Shashank Sule , Yeuk Yin Lam , Maria Cameron

A chemical reaction mechanism (CRM) is a sequence of molecular-level events involving bond-breaking/forming processes, generating transient intermediates along the reaction pathway as reactants transform into products. Understanding such…

Chemical Physics · Physics 2024-07-16 Ajnabiul Hoque , Manajit Das , Mayank Baranwal , Raghavan B. Sunoj

The behavior of an atom in a molecule, liquid or solid is governed by the force it experiences. If the dependence of this vectorial force on the atomic chemical environment can be $learned$ efficiently with high-fidelity from benchmark…

Materials Science · Physics 2015-10-28 Venkatesh Botu , Rampi Ramprasad

This work considers the task of representation learning on the attributed relational graph (ARG). Both the nodes and edges in an ARG are associated with attributes/features allowing ARGs to encode rich structural information widely observed…

Machine Learning · Computer Science 2022-08-10 Yifei Wang , Shiyang Chen , Guobin Chen , Ethan Shurberg , Hang Liu , Pengyu Hong

Visual Transformers (VTs) are emerging as an architectural paradigm alternative to Convolutional networks (CNNs). Differently from CNNs, VTs can capture global relations between image elements and they potentially have a larger…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yahui Liu , Enver Sangineto , Wei Bi , Nicu Sebe , Bruno Lepri , Marco De Nadai

Machine learning models are a powerful theoretical tool for analyzing data from quantum simulators, in which results of experiments are sets of snapshots of many-body states. Recently, they have been successfully applied to distinguish…

In recent years, several climate subsystems have been identified that may undergo a relatively rapid transition compared to the changes in their forcing. Such transitions are rare events in general, and simulating long-enough trajectories…

Atmospheric and Oceanic Physics · Physics 2023-06-30 Valérian Jacques-Dumas , René M. van Westen , Freddy Bouchet , Henk A. Dijkstra

Quantum computing with discrete variable (DV, qubit) hardware is approaching the large scales necessary for computations beyond the reach of classical computers. However, important use cases such as quantum simulations of physical models…

We introduce a convolutional neural network that operates directly on graphs. These networks allow end-to-end learning of prediction pipelines whose inputs are graphs of arbitrary size and shape. The architecture we present generalizes…

Convolutional Neural Networks are extremely efficient architectures in image and audio recognition tasks, thanks to their ability to exploit the local translational invariance of signal classes over their domain. In this paper we consider…

Machine Learning · Computer Science 2014-05-22 Joan Bruna , Wojciech Zaremba , Arthur Szlam , Yann LeCun

This study explores the applicability of a graph-based interaction-aware trajectory prediction model, originally developed for the transportation domain, to forecast particle trajectories in three-dimensional discrete element simulations.…

Computational Physics · Physics 2025-03-07 Abhishek Setty , Lukas Morand , Poojitha Ramachandra , Claas Bierwisch

Learning on 3D structures of large biomolecules is emerging as a distinct area in machine learning, but there has yet to emerge a unifying network architecture that simultaneously leverages the graph-structured and geometric aspects of the…

Biomolecules · Quantitative Biology 2021-05-18 Bowen Jing , Stephan Eismann , Patricia Suriana , Raphael J. L. Townshend , Ron Dror

We propose a reinforcement learning based method to identify important configurations that connect reactant and product states along chemical reaction paths. By shooting multiple trajectories from these configurations, we can generate an…

Chemical Physics · Physics 2023-05-30 Senwei Liang , Aditya N. Singh , Yuanran Zhu , David T. Limmer , Chao Yang

A key requirement for generalist robots is compositional generalization - the ability to combine atomic skills to solve complex, long-horizon tasks. While prior work has primarily focused on synthesizing a planner that sequences pre-learned…

Robotics · Computer Science 2026-03-10 Han Qi , Changhe Chen , Heng Yang