Some one-dimensional superconvergence results.- Remarks about some of the tools used in Chapter 1.- Local and global properties of L 2-projections.- to several space dimensions: some results about superconvergence in L 2-projections.- Second order elliptic boundary value problems in any number of space dimensions: preliminary considerations on local and global estimates and presentation of the main technical tools for showing superconvergence.- Superconvergence in tensor-product elements.- Superconvergence by local symmetry.- Superconvergence for difference quotients on translation invariant meshes.- On superconvergence in nonlinear problems.- 10. Superconvergence in isoparametric mappings of translation invariant meshes: an example.- Superconvergence by averaging: mainly, the K-operator.- A computational investigation of superconvergence for first derivatives in the plane.
