Xu C

Publications in Math-Net.Ru

1. A priori error estimates and superconvergence of $P_0^2-P_1$ mixed finite element methods for elliptic boundary control problems
   
   Sib. Zh. Vychisl. Mat., 24:1 (2021),  63–76
2. A priori error estimates and superconvergence of splitting positive definite mixed finite element methods for pseudo-hyperbolic integro-differential optimal control problems
   
   Sib. Zh. Vychisl. Mat., 23:1 (2020),  23–37