Simon Portegies Zwart

52 papers A 1B 2Misc 2Journal 39Unranked 8

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	A generalized framework of neural networks for Hamiltonian systems. J. Comput. Phys. Philipp Horn, Veronica Saz Ulibarrena, Barry Koren, Simon Portegies Zwart
2025	J	`jnl`	Reinforcement learning for adaptive time-stepping in the chaotic gravitational three-body problem. Commun. Nonlinear Sci. Numer. Simul. Veronica Saz Ulibarrena, Simon Portegies Zwart
2024	J	`jnl`	A hybrid approach for solving the gravitational J. Comput. Phys. Veronica Saz Ulibarrena, Philipp Horn, Simon Portegies Zwart, Elena Sellentin, Barry Koren, Maxwell X. Cai
2023	J	`jnl`	A hybrid approach for solving the gravitational N-body problem with Artificial Neural Networks. CoRR Veronica Saz Ulibarrena, Philipp Horn, Simon Portegies Zwart, Elena Sellentin, Barry Koren, Maxwell X. Cai
2021	J	`jnl`	Neural Symplectic Integrator with Hamiltonian Inductive Bias for the Gravitational $N$-body Problem. CoRR Maxwell X. Cai, Simon Portegies Zwart, Damian Podareanu
2020	J	`jnl`	Deep-learning enhancement of large scale numerical simulations. CoRR 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
2020	J	`jnl`	Non-intrusive hierarchical coupling strategies for multi-scale simulations in gravitational dynamics. Commun. Nonlinear Sci. Numer. Simul. Simon Portegies Zwart, F. Inti Pelupessy, Carmen Martínez-Barbosa, Arjen van Elteren, Steve McMillan
2019	J	`jnl`	Bonsai-SPH: A GPU accelerated astrophysical Smoothed Particle Hydrodynamics code. CoRR Jeroen Bédorf, Simon Portegies Zwart
2019	—	`conf`	Creating a Reusable Cross-Disciplinary Multi-scale and Multi-physics Framework: From AMUSE to OMUSE and Beyond. ICCS (4) 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
2019	J	`jnl`	Newton vs the machine: solving the chaotic three-body problem using deep neural networks. CoRR Philip G. Breen, Christopher N. Foley, Tjarda Boekholt, Simon Portegies Zwart
2018	—	`conf`	Development of the OMUSE/AMUSE Modeling System. eScience F. Inti Pelupessy, Ben van Werkhoven, Gijs van den Oord, Simon Portegies Zwart, Arjen van Elteren, Henk A. Dijkstra
2018	J	`jnl`	Numerical verification of the microscopic time reversibility of Newton's equations of motion: Fighting exponential divergence. Commun. Nonlinear Sci. Numer. Simul. Simon Portegies Zwart, Tjarda Boekholt
2018	J	`jnl`	Numerical verification of the microscopic time reversibility of Newton's equations of motion: Fighting exponential divergence. CoRR Simon Portegies Zwart, Tjarda Boekholt
2016	J	`jnl`	Creating the Virtual Universe. IEEE Softw. Simon Portegies Zwart, Jeroen Bédorf
2016	—	`conf`	OMUSE: Oceanographic multipurpose software environment. eScience F. Inti Pelupessy, Ben van Werkhoven, Arjen van Elteren, Jan Viebahn, Adam Candy, Simon Portegies Zwart, Henk A. Dijkstra
2015	B	`conf`	From Thread to Transcontinental Computer: Disturbing Lessons in Distributed Supercomputing. e-Science Derek Groen, Simon Portegies Zwart
2015	J	`jnl`	From Thread to Transcontinental Computer: Disturbing Lessons in Distributed Supercomputing. CoRR Derek Groen, Simon Portegies Zwart
2015	J	`jnl`	Sapporo2: A versatile direct N-body library. CoRR Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart
2015	J	`jnl`	Using GPUs to Enable Simulation with Computational Gravitational Dynamics in Astrophysics. Computer Simon Portegies Zwart, Jeroen Bédorf
2014	A	`conf`	24.77 Pflops on a Gravitational Tree-Code to Simulate the Milky Way Galaxy with 18600 GPUs. SC Jeroen Bédorf, Evghenii Gaburov, Michiko S. Fujii, Keigo Nitadori, Tomoaki Ishiyama, Simon Portegies Zwart
2014	J	`jnl`	24.77 Pflops on a Gravitational Tree-Code to Simulate the Milky Way Galaxy with 18600 GPUs. CoRR Jeroen Bédorf, Evghenii Gaburov, Michiko S. Fujii, Keigo Nitadori, Tomoaki Ishiyama, Simon Portegies Zwart
2014	J	`jnl`	Computational Gravitational Dynamics with Modern Numerical Accelerators. CoRR Simon Portegies Zwart, Jeroen Bédorf
2014	J	`jnl`	On the minimal accuracy required for simulating self-gravitating systems by means of direct N-body methods. CoRR Simon Portegies Zwart, Tjarda Boekholt
2013	J	`jnl`	MPWide: a light-weight library for efficient message passing over wide area networks. CoRR Derek Groen, Steven Rieder, Simon Portegies Zwart
2013	J	`jnl`	Multi-physics simulations using a hierarchical interchangeable software interface. Comput. Phys. Commun. Simon Portegies Zwart, Stephen L. W. McMillan, Arjen van Elteren, F. Inti Pelupessy, Nathan de Vries
2013	B	`conf`	The Astronomical Multipurpose Software Environment and the Ecology of Star Clusters. CCGRID Simon Portegies Zwart
2012	J	`jnl`	A sparse octree gravitational N-body code that runs entirely on the GPU processor. J. Comput. Phys. Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart
2012	J	`jnl`	Bonsai: A GPU Tree-Code CoRR Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart
2012	J	`jnl`	High-Performance Distributed Multi-Model / Multi-Kernel Simulations: A Case-Study in Jungle Computing CoRR 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
2012	—	`conf`	High-Performance Distributed Multi-Model / Multi-Kernel Simulations: A Case-Study in Jungle Computing. IPDPS Workshops 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
2011	J	`jnl`	A sparse octree gravitational N-body code that runs entirely on the GPU processor CoRR Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart
2011	J	`jnl`	High Performance Gravitational N-body Simulations on a Planet-wide Distributed Supercomputer CoRR Derek Groen, Simon Portegies Zwart, Tomoaki Ishiyama, Junichiro Makino
2011	J	`jnl`	High performance cosmological simulations on a grid of supercomputers CoRR Derek Groen, Steven Rieder, Simon Portegies Zwart
2010	J	`jnl`	A Light-Weight Communication Library for Distributed Computing CoRR Derek Groen, Steven Rieder, Paola Grosso, Cees de Laat, Simon Portegies Zwart
2010	Misc	`conf`	A platform independent communication library for distributed computing. ICCS Derek Groen, Steven Rieder, Paola Grosso, Cees de Laat, Simon Portegies Zwart
2010	J	`jnl`	Gravitational tree-code on graphics processing units: implementation in CUDA CoRR Evghenii Gaburov, Jeroen Bédorf, Simon Portegies Zwart
2010	Misc	`conf`	Gravitational tree-code on graphics processing units: implementation in CUDA. ICCS Evghenii Gaburov, Jeroen Bédorf, Simon Portegies Zwart
2010	J	`jnl`	Simulating the Universe on an Intercontinental Grid. Computer Simon Portegies Zwart, Derek Groen, Tomoaki Ishiyama, Keigo Nitadori, Junichiro Makino, Cees de Laat, Steve McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso
2010	J	`jnl`	Simulating the universe on an intercontinental grid of supercomputers CoRR Simon Portegies Zwart, Tomoaki Ishiyama, Derek Groen, Keigo Nitadori, Junichiro Makino, Cees de Laat, Stephen L. W. McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso
2010	J	`jnl`	The Living Application: a Self-Organizing System for Complex Grid Tasks. Int. J. High Perform. Comput. Appl. Derek Groen, Stefan Harfst, Simon Portegies Zwart
2009	—	`conf`	On the Origin of Grid Species: The Living Application. ICCS (1) Derek Groen, Stefan Harfst, Simon Portegies Zwart
2009	J	`jnl`	SAPPORO: A way to turn your graphics cards into a GRAPE-6 CoRR Evghenii Gaburov, Stefan Harfst, Simon Portegies Zwart
2009	J	`jnl`	The Living Application: a Self-Organising System for Complex Grid Tasks CoRR Derek Groen, Stefan Harfst, Simon Portegies Zwart
2008	—	`conf`	A Multiphysics and Multiscale Software Environment for Modeling Astrophysical Systems. ICCS (2) 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 J. Teuben, Joris van Bever, Ofer Yaron, Marcel Zemp
2008	—	`conf`	Simulating N-Body Systems on the Grid Using Dedicated Hardware. ICCS (1) Derek Groen, Simon Portegies Zwart, Steve McMillan, Jun Makino
2007	J	`jnl`	A parallel gravitational N-body kernel CoRR Simon Portegies Zwart, Steve McMillan, Derek Groen, Alessia Gualandris, Michael Sipior, Willem Vermin
2007	J	`jnl`	Distributed N-body Simulation on the Grid Using Dedicated Hardware CoRR Derek Groen, Simon Portegies Zwart, Steve McMillan, Jun Makino
2007	J	`jnl`	High Performance Direct Gravitational N-body Simulations on Graphics Processing Units CoRR Simon Portegies Zwart, Robert G. Belleman, Peter Geldof
2007	J	`jnl`	Performance analysis of direct N-body algorithms for astrophysical simulations on distributed systems. Parallel Comput. Alessia Gualandris, Simon Portegies Zwart, Alfredo Tirado-Ramos
2007	J	`jnl`	Regular Paper: Interactive N-Body Simulations On the Grid: HLA Versus MPI. Int. J. High Perform. Comput. Appl. Katarzyna Rycerz, Alfredo Tirado-Ramos, Alessia Gualandris, Simon Portegies Zwart, Marian Bubak, Peter M. A. Sloot
2007	J	`jnl`	Towards Distributed Petascale Computing CoRR Alfons G. Hoekstra, Simon Portegies Zwart, Marian Bubak, Peter M. A. Sloot
2005	—	`conf`	Performance of a Parallel Astrophysical N-Body Solver on Pan-European Computational Grids. EGC Alfredo Tirado-Ramos, Alessia Gualandris, Simon Portegies Zwart