Analysis of the Du Fort-Frankel method for linear systems
Domain Decomposition Methods for Pseudo Spectral Approximations. Part I. Second Order Equations in one Dimension.
Some results about the pseudospectral approximation of one-dimensional fourth-order problems.
Finite-difference preconditioners for superconsistent pseudospectral approximations
The superconsistent collocation method, which is based on a collocation grid different from the one used to represent the solution, has proven to be very accurate in the resolution of various functional equations. Excellent results can be also obtained for what concerns preconditioning. Some analysis and numerous experiments, regarding the use of finite-differences preconditioners, for matrices arising from pseudospectral approximations of advection-diffusion boundary value problems, are presented...
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