Simon Portegies Zwart

According to our database, Simon Portegies Zwart authored at least 45 papers between 2005 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

A generalized framework of neural networks for Hamiltonian systems.

Philipp Horn, Veronica Saz Ulibarrena, Barry Koren, Simon Portegies Zwart

J. Comput. Phys., 2025

2024

A hybrid approach for solving the gravitational <i>N</i>-body problem with Artificial Neural Networks.

Veronica Saz Ulibarrena, Philipp Horn, Simon Portegies Zwart, Elena Sellentin, Barry Koren, Maxwell X. Cai

J. Comput. Phys., January, 2024

2023

A hybrid approach for solving the gravitational N-body problem with Artificial Neural Networks.

Veronica Saz Ulibarrena, Philipp Horn, Simon Portegies Zwart, Elena Sellentin, Barry Koren, Maxwell X. Cai

CoRR, 2023

2021

Neural Symplectic Integrator with Hamiltonian Inductive Bias for the Gravitational $N$-body Problem.

Maxwell X. Cai, Simon Portegies Zwart, Damian Podareanu

CoRR, 2021

2020

Deep-learning enhancement of large scale numerical simulations.

Caspar van Leeuwen, Damian Podareanu, Valeriu Codreanu, Maxwell X. Cai, Axel Berg, Simon Portegies Zwart, Robin Stoffer, Menno Veerman, Chiel van Heerwaarden, Sydney Otten, Sascha Caron, Cunliang Geng, Francesco Ambrosetti, Alexandre M. J. J. Bonvin

CoRR, 2020

Non-intrusive hierarchical coupling strategies for multi-scale simulations in gravitational dynamics.

Simon Portegies Zwart, F. Inti Pelupessy, Carmen Martínez-Barbosa, Arjen van Elteren, Steve McMillan

Commun. Nonlinear Sci. Numer. Simul., 2020

2019

Newton vs the machine: solving the chaotic three-body problem using deep neural networks.

Philip G. Breen, Christopher N. Foley, Tjarda Boekholt, Simon Portegies Zwart

CoRR, 2019

Bonsai-SPH: A GPU accelerated astrophysical Smoothed Particle Hydrodynamics code.

Jeroen Bédorf, Simon Portegies Zwart

CoRR, 2019

Creating a Reusable Cross-Disciplinary Multi-scale and Multi-physics Framework: From AMUSE to OMUSE and Beyond.

F. Inti Pelupessy, Simon Portegies Zwart, Arjen van Elteren, Henk A. Dijkstra, Fredrik Jansson, Daan Crommelin, Pier Siebesma, Ben van Werkhoven, Gijs van den Oord

Proceedings of the Computational Science - ICCS 2019, 2019

2018

Numerical verification of the microscopic time reversibility of Newton's equations of motion: Fighting exponential divergence.

Simon Portegies Zwart, Tjarda Boekholt

Commun. Nonlinear Sci. Numer. Simul., 2018

Development of the OMUSE/AMUSE Modeling System.

F. Inti Pelupessy, Ben van Werkhoven, Gijs van den Oord, Simon Portegies Zwart, Arjen van Elteren, Henk A. Dijkstra

Proceedings of the 14th IEEE International Conference on e-Science, 2018

2016

Creating the Virtual Universe.

Simon Portegies Zwart, Jeroen Bédorf

IEEE Softw., 2016

OMUSE: Oceanographic multipurpose software environment.

F. Inti Pelupessy, Ben van Werkhoven, Arjen van Elteren, Jan Viebahn, Adam Candy, Simon Portegies Zwart, Henk A. Dijkstra

Proceedings of the 12th IEEE International Conference on e-Science, 2016

2015

Sapporo2: A versatile direct N-body library.

Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart

CoRR, 2015

Using GPUs to Enable Simulation with Computational Gravitational Dynamics in Astrophysics.

Simon Portegies Zwart, Jeroen Bédorf

Computer, 2015

From Thread to Transcontinental Computer: Disturbing Lessons in Distributed Supercomputing.

Derek Groen, Simon Portegies Zwart

Proceedings of the 11th IEEE International Conference on e-Science, 2015

2014

Computational Gravitational Dynamics with Modern Numerical Accelerators.

Simon Portegies Zwart, Jeroen Bédorf

CoRR, 2014

On the minimal accuracy required for simulating self-gravitating systems by means of direct N-body methods.

Simon Portegies Zwart, Tjarda Boekholt

CoRR, 2014

24.77 Pflops on a Gravitational Tree-Code to Simulate the Milky Way Galaxy with 18600 GPUs.

Jeroen Bédorf, Evghenii Gaburov, Michiko S. Fujii, Keigo Nitadori, Tomoaki Ishiyama, Simon Portegies Zwart

Proceedings of the International Conference for High Performance Computing, 2014

2013

Multi-physics simulations using a hierarchical interchangeable software interface.

Simon Portegies Zwart, Stephen L. W. McMillan, Arjen van Elteren, F. Inti Pelupessy, Nathan de Vries

Comput. Phys. Commun., 2013

MPWide: a light-weight library for efficient message passing over wide area networks.

Derek Groen, Steven Rieder, Simon Portegies Zwart

CoRR, 2013

The Astronomical Multipurpose Software Environment and the Ecology of Star Clusters.

Simon Portegies Zwart

Proceedings of the 13th IEEE/ACM International Symposium on Cluster, 2013

2012

A sparse octree gravitational N-body code that runs entirely on the GPU processor.

Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart

J. Comput. Phys., 2012

Bonsai: A GPU Tree-Code

Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart

CoRR, 2012

High-Performance Distributed Multi-Model / Multi-Kernel Simulations: A Case-Study in Jungle Computing.

Niels Drost, Jason Maassen, Maarten A. J. van Meersbergen, Henri E. Bal, F. Inti Pelupessy, Simon Portegies Zwart, Michael Kliphuis, Henk A. Dijkstra, Frank J. Seinstra

Proceedings of the 26th IEEE International Parallel and Distributed Processing Symposium Workshops & PhD Forum, 2012

2011

High performance cosmological simulations on a grid of supercomputers

Derek Groen, Steven Rieder, Simon Portegies Zwart

CoRR, 2011

High Performance Gravitational N-body Simulations on a Planet-wide Distributed Supercomputer

Derek Groen, Simon Portegies Zwart, Tomoaki Ishiyama, Junichiro Makino

CoRR, 2011

2010

A platform independent communication library for distributed computing.

Derek Groen, Steven Rieder, Paola Grosso, Cees de Laat, Simon Portegies Zwart

Proceedings of the International Conference on Computational Science, 2010

Gravitational tree-code on graphics processing units: implementation in CUDA.

Evghenii Gaburov, Jeroen Bédorf, Simon Portegies Zwart

Proceedings of the International Conference on Computational Science, 2010

The Living Application: a Self-Organizing System for Complex Grid Tasks.

Derek Groen, Stefan Harfst, Simon Portegies Zwart

Int. J. High Perform. Comput. Appl., 2010

A Light-Weight Communication Library for Distributed Computing

Derek Groen, Steven Rieder, Paola Grosso, Cees de Laat, Simon Portegies Zwart

CoRR, 2010

Simulating the universe on an intercontinental grid of supercomputers

Simon Portegies Zwart, Tomoaki Ishiyama, Derek Groen, Keigo Nitadori, Junichiro Makino, Cees de Laat, Stephen L. W. McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso

CoRR, 2010

Simulating the Universe on an Intercontinental Grid.

Simon Portegies Zwart, Derek Groen, Tomoaki Ishiyama, Keigo Nitadori, Junichiro Makino, Cees de Laat, Steve McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso

Computer, 2010

2009

The Living Application: a Self-Organising System for Complex Grid Tasks

Derek Groen, Stefan Harfst, Simon Portegies Zwart

CoRR, 2009

SAPPORO: A way to turn your graphics cards into a GRAPE-6

Evghenii Gaburov, Stefan Harfst, Simon Portegies Zwart

CoRR, 2009

On the Origin of Grid Species: The Living Application.

Derek Groen, Stefan Harfst, Simon Portegies Zwart

Proceedings of the Computational Science, 2009

2008

A Multiphysics and Multiscale Software Environment for Modeling Astrophysical Systems.

Simon Portegies Zwart, Steve McMillan, Breanndán Ó Nualláin, Douglas Heggie, James Lombardi, Piet Hut, Sambaran Banerjee, Houria Belkus, Tassos Fragos, John Fregeau, Michiko Fuji, Evghenii Gaburov, Evert Glebbeek, Derek Groen, Stefan Harfst, Robert G. Izzard, Mario Juric, Stephen Justham, Peter Teuben, Joris van Bever, Ofer Yaron, Marcel Zemp

Proceedings of the Computational Science, 2008

Simulating N-Body Systems on the Grid Using Dedicated Hardware.

Derek Groen, Simon Portegies Zwart, Steve McMillan, Jun Makino

Proceedings of the Computational Science, 2008

2007

Performance analysis of direct N-body algorithms for astrophysical simulations on distributed systems.

Alessia Gualandris, Simon Portegies Zwart, Alfredo Tirado-Ramos

Parallel Comput., 2007

Regular Paper: Interactive N-Body Simulations On the Grid: HLA Versus MPI.

Katarzyna Rycerz, Alfredo Tirado-Ramos, Alessia Gualandris, Simon Portegies Zwart, Marian Bubak, Peter M. A. Sloot

Int. J. High Perform. Comput. Appl., 2007

High Performance Direct Gravitational N-body Simulations on Graphics Processing Units

Simon Portegies Zwart, Robert G. Belleman, Peter Geldof

CoRR, 2007

Towards Distributed Petascale Computing

Alfons G. Hoekstra, Simon Portegies Zwart, Marian Bubak, Peter M. A. Sloot

CoRR, 2007

A parallel gravitational N-body kernel

Simon Portegies Zwart, Steve McMillan, Derek Groen, Alessia Gualandris, Michael Sipior, Willem Vermin

CoRR, 2007

Distributed N-body Simulation on the Grid Using Dedicated Hardware

Derek Groen, Simon Portegies Zwart, Steve McMillan, Jun Makino

CoRR, 2007

2005

Performance of a Parallel Astrophysical N-Body Solver on Pan-European Computational Grids.

Alfredo Tirado-Ramos, Alessia Gualandris, Simon Portegies Zwart

Proceedings of the Advances in Grid Computing, 2005