@Article{EAJAM-9-1, author = {}, title = {Superconvergence of $H$1-Galerkin Mixed Finite Element Methods for Elliptic Optimal Control Problems}, journal = {East Asian Journal on Applied Mathematics}, year = {2019}, volume = {9}, number = {1}, pages = {87--101}, abstract = {
The convergence of $H$1-Galerkin mixed finite element methods for elliptic optimal control problems is studied and postprocessing operators are used to establish the superconvergence for control, state and adjoint state variables. A numerical example confirms the validity of theoretical results.
}, issn = {2079-7370}, doi = {https://doi.org/10.4208/eajam.150117.070618}, url = {https://global-sci.com/article/82592/superconvergence-of-hltsupgt1ltsupgt-galerkin-mixed-finite-element-methods-for-elliptic-optimal-control-problems} }