Preconditioning projection nonconforming element method for the lowest-order Raviart-Thomas mixed triangular element method. - Jinru Chen; Likang Li (Appl. Math. Comput., 1998)

A V-cycle multigrid method and additive multilevel preconditioners for the plate bending problem discretized by conforming finite elements. - Xuejun Xu; Likang Li (Appl. Math. Comput., 1998)

A note on convergence of V-cycle nonconforming multigrid methods. - Xuejun Xu; Likang Li (Appl. Math. Comput., 1999)

A Multigrid Method for the Mortar-Type Morley Element Approximation of a Plate Bending Problem. - Xuejun Xu; Likang Li; Wenbin Chen 006 (SIAM J. Numer. Anal., 2002)

Two-grid nonconforming finite element method for second order elliptic problems. - Cheng Wang 011; Ziping Huang; Likang Li (Appl. Math. Comput., 2006)