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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.

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Regularity estimates for elliptic boundary value problems in Besov spaces
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by Constantin Bacuta, James H. Bramble and Jinchao Xu PDF
Math. Comp. 72 (2003), 1577-1595 Request permission

Abstract:

We consider the Dirichlet problem for Poisson’s equation on a nonconvex plane polygonal domain $\Omega$. New regularity estimates for its solution in terms of Besov and Sobolev norms of fractional order are proved. The analysis is based on new interpolation results and multilevel representations of norms on Sobolev and Besov spaces. The results can be extended to a large class of elliptic boundary value problems. Some new sharp finite element error estimates are deduced.
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Additional Information
  • Constantin Bacuta
  • Affiliation: Dept. of Mathematics, The Pennsylvania State University, University Park, Pennsylvania 16802
  • Email: bacuta@math.psu.edu
  • James H. Bramble
  • Affiliation: Department of Mathematics, Texas A & M University, College Station, Texas 77843
  • Email: bramble@math.tamu.edu
  • Jinchao Xu
  • Affiliation: Department of Mathematics, The Pennsylvania State University, University Park, Pennsylvania 16802
  • MR Author ID: 228866
  • Email: xu@math.psu.edu
  • Received by editor(s): January 26, 2002
  • Received by editor(s) in revised form: March 25, 2002
  • Published electronically: December 18, 2002
  • Additional Notes: The work of the second author was supported in part under NSF Grant No. DMS-9973328.
    The work of the third author was supported under NSF Grant No. DMS-0074299.
  • © Copyright 2002 American Mathematical Society
  • Journal: Math. Comp. 72 (2003), 1577-1595
  • MSC (2000): Primary 65N30, 46B70, 35J67, 35J05
  • DOI: https://doi.org/10.1090/S0025-5718-02-01502-8
  • MathSciNet review: 1986794