Implicit sampling for particle filters AJ Chorin, X Tu Proceedings of the National Academy of Sciences 106 (41), 17249-17254, 2009 | 191 | 2009 |

Composing scalable nonlinear algebraic solvers PR Brune, MG Knepley, BF Smith, X Tu siam REVIEW 57 (4), 535-565, 2015 | 169 | 2015 |

Implicit particle filters for data assimilation A Chorin, M Morzfeld, X Tu Communications in Applied Mathematics and Computational Science 5 (2), 221-240, 2010 | 166 | 2010 |

A random map implementation of implicit filters M Morzfeld, X Tu, E Atkins, AJ Chorin Journal of Computational Physics 231 (4), 2049-2066, 2012 | 135 | 2012 |

Three-level BDDC in three dimensions X Tu SIAM Journal on Scientific Computing 29 (4), 1759-1780, 2007 | 118 | 2007 |

Three‐level BDDC in two dimensions X Tu International journal for numerical methods in engineering 69 (1), 33-59, 2007 | 95 | 2007 |

Poisson–Nernst–Planck systems for ion flow with density functional theory for hard-sphere potential: I–V relations and critical potentials. Part II: Numerics W Liu, X Tu, M Zhang Journal of Dynamics and Differential Equations 24, 985-1004, 2012 | 65 | 2012 |

Limitations of polynomial chaos expansions in the Bayesian solution of inverse problems F Lu, M Morzfeld, X Tu, AJ Chorin Journal of Computational Physics 282, 138-147, 2015 | 54 | 2015 |

A BDDC algorithm for a mixed formulation of flow in porous media X Tu Electronic Transactions on Numerical Analysis 20, 164-179, 2005 | 53 | 2005 |

A domain decomposition discretization of parabolic problems M Dryja, X Tu Numerische Mathematik 107 (4), 625-640, 2007 | 48 | 2007 |

Multilevel balancing domain decomposition by constraints deluxe algorithms with adaptive coarse spaces for flow in porous media S Zampini, X Tu SIAM Journal on Scientific Computing 39 (4), A1389-A1415, 2017 | 46 | 2017 |

A balancing domain decomposition method by constraints for advection-diffusion problems X Tu, J Li Communications in Applied Mathematics and Computational Science 3 (1), 25-60, 2008 | 39 | 2008 |

A BDDC algorithm for flow in porous media with a hybrid finite element discretization X Tu Electron. Trans. Numer. Anal 26, 146-160, 2007 | 38 | 2007 |

Parameter estimation by implicit sampling M Morzfeld, X Tu, J Wilkening, A Chorin Communications in Applied Mathematics and Computational Science 10 (2), 205-225, 2015 | 37 | 2015 |

Semantic clustering based deduction learning for image recognition and classification W Ma, X Tu, B Luo, G Wang Pattern Recognition 124, 108440, 2022 | 35 | 2022 |

A nonoverlapping domain decomposition method for incompressible Stokes equations with continuous pressures J Li, X Tu SIAM Journal on Numerical Analysis 51 (2), 1235-1253, 2013 | 33 | 2013 |

Data-assimilated computational fluid dynamics modeling of convection-diffusion-reaction problems X Gao, Y Wang, N Overton, M Zupanski, X Tu Journal of computational science 21, 38-59, 2017 | 32 | 2017 |

Convergence analysis of a balancing domain decomposition method for solving a class of indefinite linear systems J Li, X Tu Numerical Linear Algebra with Applications 16 (9), 745-773, 2009 | 29 | 2009 |

A three-level BDDC algorithm for mortar discretizations HH Kim, X Tu SIAM Journal on Numerical Analysis 47 (2), 1576-1600, 2009 | 27 | 2009 |

A FETI-DP type domain decomposition algorithm for three-dimensional incompressible Stokes equations X Tu, J Li SIAM Journal on Numerical Analysis 53 (2), 720-742, 2015 | 26 | 2015 |