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Mathematics of Computation

Published by the American Mathematical Society since 1960 (published as Mathematical Tables and other Aids to Computation 1943-1959), Mathematics of Computation is devoted to research articles of the highest quality in computational mathematics.

ISSN 1088-6842 (online) ISSN 0025-5718 (print)

The 2020 MCQ for Mathematics of Computation is 1.78.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.


On the robustness of the BPX-preconditioner with respect to jumps in the coefficients
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by Peter Oswald PDF
Math. Comp. 68 (1999), 633-650 Request permission


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
  • Email:
  • Received by editor(s): July 12, 1996
  • Received by editor(s) in revised form: September 22, 1997
  • © Copyright 1999 American Mathematical Society
  • Journal: Math. Comp. 68 (1999), 633-650
  • MSC (1991): Primary 65N22, 65N55, 65F10
  • DOI:
  • MathSciNet review: 1620239