RECOVERY A POSTERIORI ERROR ESTIMATES FOR GENERAL CONVEX ELLIPTIC OPTIMAL CONTROL PROBLEMS SUBJECT TO POINTWISE CONTROL CONSTRAINTS - Chen, Yanping; Fu, Yao; Liu, Huanwen; Dai, Yongquan; Wei, Huayi (Journal of computational mathematics, 2009)
Keywords: A posteriori knowledge; Approximation; Control theory; Equations of state; Error rates; Estimation methods; Estimators; Finite element method; Optimal control