Preconditioners for nonconforming discretizations
Abstract: We prove an abstract norm equivalence for a two-level method, which allows us to reduce the construction of preconditioners for nonconforming finite element discretizations to known cases of conforming elements.
Affiliation: Institut für Angewandte Mathematik, FSU Jena, D-07740 Jena, Germany
Address at time of publication: Department of Mathematics, Texas A&M University, College Station, Texas 77843
Keywords: Nonconforming finite elements, preconditioned iterative methods
Received by editor(s): January 24, 1994
Received by editor(s) in revised form: February 11, 1995
Article copyright: © Copyright 1996 American Mathematical Society