Nonconforming Finite Element Methods for the Constrained Optimal Control Problems Governed by Nonsmooth Elliptic Equations

Hong-bo GUAN, Dong-yang SHI

Acta Mathematicae Applicatae Sinica(English Series) . 2020, (2): 471 -481 . DOI: 10.1007/s10255-020-0931-6