The following publications are possibly variants of this publication:
- A Posteriori Error Estimates for Distributed Convex Optimal Control ProblemsWenbin Liu, Ningning Yan. adcm, 15(1-4):285-309, 2001. [doi]
- A Posteriori Error Estimates for Convex Boundary Control ProblemsWenbin Liu, Ningning Yan. siamnum, 39(1):73-99, 2001. [doi]
- Recovery type a posteriori error estimates for the conduction convection problemQiuyu Zhang, Jian Li, Pengzhan Huang. na, 86(1):425-441, 2021. [doi]
- Local A Posteriori Error Estimates for Convex Boundary Control ProblemsWenbin Liu, Ningning Yan. siamnum, 47(3):1886-1908, 2009. [doi]
- A Posteriori Error Estimators of Gradient Recovery Type for Fem of a Model Optimal Control ProblemNingning Yan. adcm, 19(1-3):323-336, 2003. [doi]