Prof. Ronald H. W. HoppeDINA NAMAN A ALSHEIKH2022-06-012022-06-0135642https://drepo.sdl.edu.sa/handle/20.500.14154/57866THE HYPERCIRCLE METHOD AND AN EQUILIBRATED A POSTERIORI ERROR ESTIMATOR FOR DISCONTINUOUS GALERKIN APPROXIMATIONS OF ELLIPTIC BOUNDARY VALUE PROBLEMS ON SIMPLICIAL MESHESThesis