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On the robustness of the BPX-preconditioner with respect to jumps in the coefficients

Author: Peter Oswald
Journal: Math. Comp. 68 (1999), 633-650
MSC (1991): Primary 65N22, 65N55, 65F10
MathSciNet review: 1620239
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Abstract: We determine the worst case behavior of the standard BPX-preconditioner for elliptic problems with arbitrary coefficient jumps along the boundaries of the coarsest partition. The counterexamples are also useful for other problems.

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Additional Information

Peter Oswald
Affiliation: Bell Laboratories, Lucent Technologies, 600 Mountain Ave., Rm. 2C-403, Murray Hill, NJ 07974-0636

Keywords: Finite element multilevel preconditioners, robustness, elliptic problems with variable coefficients
Received by editor(s): July 12, 1996
Received by editor(s) in revised form: September 22, 1997
Article copyright: © Copyright 1999 American Mathematical Society

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