In this paper we study the theoretical properties of multigrid algorithm for discretization of the Poisson equation in 2D using a mortar element method under th
Error estimates are established for the finite dement methods to solve a class of second order nonlinear parabolic equations. Optimal rates of convergence in L2
Let H1 and H2 be separable Hilbert spaces, and B(H1, H2) all of bounded linear operators from H1 into H2. In this note, we prove the following theorem: for any