Computing the electrical activity in the heart, volume 1 of Monographs in Computational Science and Engineering J Sundnes, GT Lines, X Cai, BF Nielsen, KA Mardal, A Tveito Springer-Verlag, 2006 | 563* | 2006 |

Mint: realizing CUDA performance in 3D stencil methods with annotated C D Unat, X Cai, S Baden International Conference on Supercomputing, ICS 11, 2011 | 213 | 2011 |

On the computational complexity of the bidomain and the monodomain models of electrophysiology J Sundnes, BF Nielsen, KA Mardal, X Cai, GT Lines, A Tveito Annals of biomedical engineering 34 (7), 1088-1097, 2006 | 151 | 2006 |

On the performance of the Python programming language for serial and parallel scientific computations X Cai, HP Langtangen, H Moe Scientific Programming 13 (1), 31-56, 2005 | 129 | 2005 |

A finite element method for fully nonlinear water waves X Cai, HP Langtangen, BF Nielsen, A Tveito Journal of Computational Physics 143 (2), 544-568, 1998 | 66 | 1998 |

A view toward the future of subsurface characterization: CAT scanning groundwater basins TCJ Yeh, CH Lee, KC Hsu, WA Illman, W Barrash, X Cai, J Daniels, ... Water Resources Research 44 (3), 2008 | 60 | 2008 |

Overlapping domain decomposition methods X Cai Advanced Topics in Computational Partial Differential Equations: Numerical …, 2003 | 56 | 2003 |

An order optimal solver for the discretized bidomain equations KA Mardal, BF Nielsen, X Cai, A Tveito Numerical Linear Algebra with Applications 14 (2), 83-98, 2007 | 52 | 2007 |

On the possibility for computing the transmembrane potential in the heart with a one shot method: An inverse problem BF Nielsen, X Cai, M Lysaker Mathematical biosciences 210 (2), 523-553, 2007 | 48 | 2007 |

Elements of Scientific Computing (Texts in Computational Science and Engineering) A Tveito, HP Langtangen, BF Nielsen, X Cai Springer Verlag, 2010 | 45* | 2010 |

Time-fractional heat equations and negative absolute temperatures W Zhang, X Cai, S Holm Computers & Mathematics with Applications 67 (1), 164-171, 2014 | 41 | 2014 |

Effective multi-GPU communication using multiple CUDA streams and threads M Sourouri, T Gillberg, SB Baden, X Cai 2014 20th IEEE International Conference on Parallel and Distributed Systems …, 2014 | 39 | 2014 |

On the Eﬃciency of Python for High-Performance Computing: A Case Study Involving Stencil Updates for Partial Diﬀerential Equations HP Langtangen, X Cai Modeling, simulation and optimization of complex processes: proceedings of …, 2008 | 39 | 2008 |

Analysis of tracer tomography using temporal moments of tracer breakthrough curves J Zhu, X Cai, TCJ Yeh Advances in Water Resources 32 (3), 391-400, 2009 | 36 | 2009 |

Panda: A Compiler Framework for Concurrent CPU+ GPU Execution of 3D Stencil Computations on GPU-accelerated Supercomputers M Sourouri, SB Baden, X Cai International Journal of Parallel Programming, 1-19, 2016 | 31 | 2016 |

Efficient numerical solution of the EMI model representing the extracellular space (E), cell membrane (M) and intracellular space (I) of a collection of cardiac cells KH Jęger, KG Hustad, X Cai, A Tveito Front. Phys. 8: 579461. doi: 10.3389/fphy, 2021 | 29 | 2021 |

Numerical solution of PDEs on parallel computers utilizing sequential simulators A Bruaset, X Cai, H Langtangen, A Tveito Scientific Computing in Object-Oriented Parallel Environments, 161-168, 1997 | 26 | 1997 |

An analysis of a preconditioner for the discretized pressure equation arising in reservoir simulation X Cai, BF Nielsen, A Tveito IMA journal of numerical analysis 19 (2), 291-316, 1999 | 25 | 1999 |

Scalable Heterogeneous CPU-GPU Computations for Unstructured Tetrahedral Meshes J Langguth, M Sourouri, GT Lines, SB Baden, X Cai IEEE Micro 35 (4), 6-15, 2015 | 23 | 2015 |

Resource-efficient utilization of CPU/GPU-based heterogeneous supercomputers for Bayesian phylogenetic inference J Chai, H Su, M Wen, X Cai, N Wu, C Zhang The Journal of Supercomputing 66 (1), 364-380, 2013 | 23 | 2013 |