@Article{JCM-19-3, author = {Zhu, Qi-Ding and Qun, Lin}, title = {A Superconvergence Analysis for Finite Element Solution by the Interpolant Postprocessing on Irregular Meshes for Smooth Problem}, journal = {Journal of Computational Mathematics}, year = {2001}, volume = {19}, number = {3}, pages = {323--326}, abstract = {
The post-processing procedure is given by an interpolant postprocessing of the finite element solution by appropriately-defined finite dimensional subspaces. The corresponding superconvergence is established on general quasi-regular finite element partitions.