The origin and nature of spurious eigenvalues in the spectral tau method

The Tau method and a new preconditioner

Journal of Computational and Applied Mathematics

A spectral Galerkin method for the coupled Orr-Sommerfeld and induction equations for free-surface MHD

Journal of Computational Physics

Optimal Error Estimates of the Legendre Tau Method for Second-Order Differential Equations

Journal of Scientific Computing

Stabilized finite element method for the radial Dirac equation

Journal of Computational Physics

Capacitance matrix technique for avoiding spurious eigenmodes in the solution of hydrodynamic stability problems by Chebyshev collocation method

Journal of Computational Physics