Search Results for author: Gianni de Fabritiis

Found 24 papers, 9 papers with code

On the Inclusion of Charge and Spin States in Cartesian Tensor Neural Network Potentials

no code implementations22 Mar 2024 Guillem Simeon, Antonio Mirarchi, Raul P. Pelaez, Raimondas Galvelis, Gianni de Fabritiis

In this letter, we present an extension to TensorNet, a state-of-the-art equivariant Cartesian tensor neural network potential, allowing it to handle charged molecules and spin states without architectural changes or increased costs.

TorchMD-Net 2.0: Fast Neural Network Potentials for Molecular Simulations

1 code implementation27 Feb 2024 Raul P. Pelaez, Guillem Simeon, Raimondas Galvelis, Antonio Mirarchi, Peter Eastman, Stefan Doerr, Philipp Thölke, Thomas E. Markland, Gianni de Fabritiis

Achieving a balance between computational speed, prediction accuracy, and universal applicability in molecular simulations has been a persistent challenge.

Computational Efficiency

PlayMolecule Viewer: a toolkit for the visualization of molecules and other data

no code implementations22 Dec 2023 Mariona Torrens-Fontanals, Panagiotis Tourlas, Stefan Doerr, Gianni de Fabritiis

PlayMolecule Viewer is a web-based data visualization toolkit designed to streamline the exploration of data resulting from structural bioinformatics or computer-aided drug design efforts.

Data Visualization

Machine Learning Small Molecule Properties in Drug Discovery

no code implementations2 Aug 2023 Nikolai Schapin, Maciej Majewski, Alejandro Varela, Carlos Arroniz, Gianni de Fabritiis

Overall, this review provides insights into the landscape of ML models for small molecule property predictions in drug discovery.

Decision Making Drug Discovery

Top-down machine learning of coarse-grained protein force-fields

no code implementations20 Jun 2023 Carles Navarro, Maciej Majewski, Gianni de Fabritiis

Developing accurate and efficient coarse-grained representations of proteins is crucial for understanding their folding, function, and interactions over extended timescales.

TensorNet: Cartesian Tensor Representations for Efficient Learning of Molecular Potentials

2 code implementations NeurIPS 2023 Guillem Simeon, Gianni de Fabritiis

The development of efficient machine learning models for molecular systems representation is becoming crucial in scientific research.

Formation Energy

TorchRL: A data-driven decision-making library for PyTorch

2 code implementations1 Jun 2023 Albert Bou, Matteo Bettini, Sebastian Dittert, Vikash Kumar, Shagun Sodhani, Xiaomeng Yang, Gianni de Fabritiis, Vincent Moens

PyTorch has ascended as a premier machine learning framework, yet it lacks a native and comprehensive library for decision and control tasks suitable for large development teams dealing with complex real-world data and environments.

Computational Efficiency Decision Making +1

Binding-and-folding recognition of an intrinsically disordered protein using online learning molecular dynamics

no code implementations20 Feb 2023 Pablo Herrera-Nieto, Adrià Pérez, Gianni de Fabritiis

Intrinsically disordered proteins participate in many biological processes by folding upon binding with other proteins.

Machine Learning Coarse-Grained Potentials of Protein Thermodynamics

2 code implementations14 Dec 2022 Maciej Majewski, Adrià Pérez, Philipp Thölke, Stefan Doerr, Nicholas E. Charron, Toni Giorgino, Brooke E. Husic, Cecilia Clementi, Frank Noé, Gianni de Fabritiis

The coarse-grained models are capable of accelerating the dynamics by more than three orders of magnitude while preserving the thermodynamics of the systems.

SPICE, A Dataset of Drug-like Molecules and Peptides for Training Machine Learning Potentials

no code implementations21 Sep 2022 Peter Eastman, Pavan Kumar Behara, David L. Dotson, Raimondas Galvelis, John E. Herr, Josh T. Horton, Yuezhi Mao, John D. Chodera, Benjamin P. Pritchard, Yuanqing Wang, Gianni de Fabritiis, Thomas E. Markland

Machine learning potentials are an important tool for molecular simulation, but their development is held back by a shortage of high quality datasets to train them on.

TorchMD-NET: Equivariant Transformers for Neural Network based Molecular Potentials

1 code implementation5 Feb 2022 Philipp Thölke, Gianni de Fabritiis

The prediction of quantum mechanical properties is historically plagued by a trade-off between accuracy and speed.

Computational Efficiency

Equivariant Transformers for Neural Network based Molecular Potentials

no code implementations ICLR 2022 Philipp Thölke, Gianni de Fabritiis

The prediction of quantum mechanical properties is historically plagued by a trade-off between accuracy and speed.

Computational Efficiency

Efficient Reinforcement Learning Experimentation in PyTorch

no code implementations29 Sep 2021 Albert Bou, Sebastian Dittert, Gianni de Fabritiis

Abstract: Deep reinforcement learning (RL) has proved successful at solving challenging environments but often requires long training times and very many samples.

reinforcement-learning Reinforcement Learning (RL)

Coarse Graining Molecular Dynamics with Graph Neural Networks

1 code implementation22 Jul 2020 Brooke E. Husic, Nicholas E. Charron, Dominik Lemm, Jiang Wang, Adrià Pérez, Maciej Majewski, Andreas Krämer, Yaoyi Chen, Simon Olsson, Gianni de Fabritiis, Frank Noé, Cecilia Clementi

5, 755 (2019)] demonstrated that the existence of such a variational limit enables the use of a supervised machine learning framework to generate a coarse-grained force field, which can then be used for simulation in the coarse-grained space.

BIG-bench Machine Learning

Guided Exploration with Proximal Policy Optimization using a Single Demonstration

1 code implementation7 Jul 2020 Gabriele Libardi, Gianni de Fabritiis

Solving sparse reward tasks through exploration is one of the major challenges in deep reinforcement learning, especially in three-dimensional, partially-observable environments.

Integrating Distributed Architectures in Highly Modular RL Libraries

1 code implementation6 Jul 2020 Albert Bou, Sebastian Dittert, Gianni de Fabritiis

In this work, we explore design choices to allow agent composability both at a local and distributed level of execution.

reinforcement-learning Reinforcement Learning (RL)

Machine learning for protein folding and dynamics

no code implementations22 Nov 2019 Frank Noé, Gianni De Fabritiis, Cecilia Clementi

Many aspects of the study of protein folding and dynamics have been affected by the recent advances in machine learning.

BIG-bench Machine Learning Protein Folding

A Scalable Molecular Force Field Parameterization Method Based on Density Functional Theory and Quantum-Level Machine Learning

no code implementations16 Jul 2019 Raimondas Galvelis, Stefan Doerr, Joao M. Damas, Matt J. Harvey, Gianni de Fabritiis

We demonstrate that for the case of torchani-ANI-1x NNP, we can parameterize small molecules in a fraction of time compared with an equivalent parameterization using DFT QM calculations while producing more accurate parameters than FF (GAFF2).

Chemical Physics Biological Physics Computational Physics

Machine Learning of coarse-grained Molecular Dynamics Force Fields

no code implementations4 Dec 2018 Jiang Wang, Simon Olsson, Christoph Wehmeyer, Adria Perez, Nicholas E. Charron, Gianni de Fabritiis, Frank Noe, Cecilia Clementi

We show that CGnets can capture all-atom explicit-solvent free energy surfaces with models using only a few coarse-grained beads and no solvent, while classical coarse-graining methods fail to capture crucial features of the free energy surface.

BIG-bench Machine Learning Dimensionality Reduction +1

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