A posteriori error estimates for hp finite element solutions of convex optimal control problems. - Yanping Chen 002; Yijie Lin 002 (J. Comput. Appl. Math., 2011)

A posteriori error estimates for control problems governed by nonlinear elliptic equations in hp-FEM. - Yanping Chen 002; Yijie Lin 002 (Appl. Math. Comput., 2014)