A multigrid method for linear systems arising from time-dependent two-dimensional space-fractional diffusion equations X Lin, MK Ng, HW Sun Journal of Computational Physics 336, 69-86, 2017 | 27 | 2017 |

A splitting preconditioner for Toeplitz-like linear systems arising from fractional diffusion equations X Lin, MK Ng, HW Sun SIAM Journal on Matrix Analysis and Applications 38 (4), 1580-1614, 2017 | 24 | 2017 |

Efficient preconditioner of one-sided space fractional diffusion equation XL Lin, MK Ng, HW Sun BIT Numerical Mathematics 58 (3), 729--748, 2018 | 11 | 2018 |

Stability and convergence analysis of finite difference schemes for time-dependent space-fractional diffusion equations with variable diffusion coefficients X Lin, MK Ng, HW Sun Journal of Scientific Computing 75 (2), 1102-1127, 2018 | 10 | 2018 |

A fast accurate approximation method with multigrid solver for two-dimensional fractional sub-diffusion equation X Lin, X Lu, MK Ng, HW Sun Journal of Computational Physics 323, 204-218, 2016 | 10 | 2016 |

Crank--Nicolson Alternative Direction Implicit Method for Space-Fractional Diffusion Equations with Nonseparable Coefficients XL Lin, MK Ng, HW Sun SIAM Journal on Numerical Analysis 57 (3), 997--1019, 2019 | 9 | 2019 |

A Separable Preconditioner for Time-Space Fractional Caputo-Riesz Diffusion Equations Xuelei Lin, Michael K. Ng, Haiwei Sun Numerical Mathematics: Theory, Methods and Applications 11 (4), 827-853, 2018 | 8 | 2018 |

An all-at-once preconditioner for evolutionary partial differential equations XL Lin, M Ng arXiv preprint arXiv:2002.01108, 2020 | 6 | 2020 |

A fast solver for multidimensional time–space fractional diffusion equation with variable coefficients XL Lin, MK Ng Computers & Mathematics with Applications 78 (5), 1477--1489, 2019 | 4 | 2019 |

An Efficient Second-Order Convergent Scheme for One-Side Space Fractional Diffusion Equations with Variable Coefficients X Lin, P Lyu, MK Ng, HW Sun, S Vong Communications on Applied Mathematics and Computation 2 (2), 215-239, 2020 | 3 | 2020 |

Spectral analysis for preconditioning of multi-dimensional Riesz fractional diffusion equations X Huang, XL Lin, MK Ng, HW Sun arXiv preprint arXiv:2102.01371, 2021 | 1 | 2021 |

Tensor Factorization with Total Variation and Tikhonov Regularization for Low-Rank Tensor Completion in Imaging Data XL Lin, MK Ng, XL Zhao Journal of Mathematical Imaging and Vision 62 (6), 900-918, 2020 | 1 | 2020 |

A parallel-in-time two-sided preconditioning for all-at-once system from a non-local evolutionary equation with weakly singular kernel X Lin, MK Ng, Y Zhi Journal of Computational Physics 434, 110221, 2021 | | 2021 |

Preconditioning for symmetric positive definite systems in balanced fractional diffusion equations ZW Fang, XL Lin, MK Ng, HW Sun Numerische Mathematik 147 (3), 651-677, 2021 | | 2021 |

Preconditioners for multilevel Toeplitz linear systems from steady-state and evolutionary advection-diffusion equations X Lin, MK Ng, A Wathen Applied Numerical Mathematics 161, 469-488, 2021 | | 2021 |