An Interior Estimate of Superconvergence for Finite Element Solutions for Second-Order Elliptic Problems on Quasi-uniform Meshes by Local Projections

Boundary value problems for second-order elliptic equations (35J25) Error bounds for boundary value problems involving PDEs (65N15) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30)

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A local parallel superconvergence method for the incompressible flow by coarsening projection ⋮ A superconvergence result of the natural convection equations ⋮ Superconvergence and a posteriori error estimates for the Stokes eigenvalue problems ⋮ Superconvergence of numerical gradient for weak Galerkin finite element methods on nonuniform Cartesian partitions in three dimensions ⋮ A local superconvergence analysis of the finite element method for the Stokes equations by local projections ⋮ Superconvergence of a stabilized approximation for the Stokes eigenvalue problem by projection method. ⋮ Recovery type a posteriori estimates and superconvergence for nonconforming FEM of eigenvalue problems ⋮ Enhancing finite element approximation for eigenvalue problems by projection method ⋮ Penalty finite element approximations for the Stokes equations by L² projection ⋮ Superconvergence two-grid scheme based on shifted-inverse power method for eigenvalue problems by function value recovery

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