Journal
COMPUTERS & MATHEMATICS WITH APPLICATIONS
Volume 52, Issue 5, Pages 699-706Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.camwa.2006.10.008
Keywords
operator preconditioning; Galerkin discretization; duality; finite elements; boundary elements
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Operator preconditioning offers a general recipe for constructing preconditioners for discrete linear operators that have arisen from a Galerkin approach. The key idea is to employ matching Galerkin discretizations of operators of complementary mapping properties. If these can be found, the resulting preconditioners will be robust with respect to the choice of the bases for trial and test spaces. I survey the application of operator preconditioning to finite elements and boundary elements. (c) 2006 Elsevier Ltd. All rights reserved.
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