Fast ADI method for high dimensional fractional diffusion equations in conservative form with preconditioned strategy. - Lot-Kei Chou; Siu-Long Lei (Comput. Math. Appl., 2017)

Tensor-Train Format Solution with Preconditioned Iterative Method for High Dimensional Time-Dependent Space-Fractional Diffusion Equations with Error Analysis. - Lot-Kei Chou; Siu-Long Lei (J. Sci. Comput., 2019)

Finite volume approximation with ADI scheme and low-rank solver for high dimensional spatial distributed-order fractional diffusion equations. - Lot-Kei Chou; Siu-Long Lei (Comput. Math. Appl., 2021)

Divide-and-Conquer Solver in Tensor-Train Format for d-Dimensional Time-Space Fractional Diffusion Equations. - Yun-Chi Huang; Lot-Kei Chou; Siu-Long Lei (J. Sci. Comput., 2023)

Optimal preconditioners for nonsymmetric multilevel Toeplitz systems with application to solving non-local evolutionary partial differential equations. - Yuan-Yuan Huang; Sean Y. Hon; Lot-Kei Chou; Siu-Long Lei (CoRR, 2024)

A study on fractional centered difference scheme for high-dimensional integral fractional Laplacian operator with {ω}-circulant preconditioner. - Lot-Kei Chou; Wei Qu; Yuan-Yuan Huang; Siu-Long Lei (Math. Comput. Simul., 2025)

Optimal Preconditioners for Nonsymmetric Multilevel Toeplitz Systems With Application to Solving Nonlocal Evolutionary Partial Differential Equations. - Yuan-Yuan Huang; Sean Y. Hon; Lot-Kei Chou; Siu-Long Lei (Numer. Linear Algebra Appl., 2025)

Upwind-and-shifted numerical scheme for fractional convection equation. - Lot-Kei Chou; Wan-Na Deng; Yuan-Yuan Huang; Siu-Long Lei (CoRR, 2025)

A sine transform-based preconditioner for the fourth-order scheme arising from multi-dimensional nonlocal Poisson equations. - Wei Qu; Yuan-Yuan Huang; Lot-Kei Chou; Siu-Long Lei (Appl. Math. Lett., 2026)