The following publications are possibly variants of this publication:
- A posteriori error estimates for hp finite element solutions of convex optimal control problemsYanping Chen, Yijie Lin. jcam, 235(12):3435-3454, 2011. [doi]
- hp spectral element discretization for optimal control problems with elliptic equationsXiuxiu Lin, Yanping Chen, Yunqing Huang. jcam, 423:114960, 2023. [doi]
- Error estimates of mixed finite element methods for quadratic optimal control problemsXiaoqing Xing, Yanping Chen, Nianyu Yi. jcam, 233(8):1812-1820, 2010. [doi]
- A posteriori error estimates for mixed finite element approximation of nonlinear quadratic optimal control problemsYanping Chen, Zuliang Lu, Min Fu. oms, 28(1):37-53, 2013. [doi]