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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 2024 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.

 

Convergence of the kinetic hydrostatic reconstruction scheme for the Saint Venant system with topography
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by François Bouchut and Xavier Lhébrard;
Math. Comp. 90 (2021), 1119-1153
DOI: https://doi.org/10.1090/mcom/3600
Published electronically: December 28, 2020

Abstract:

We prove the convergence of the hydrostatic reconstruction scheme with kinetic numerical flux for the Saint Venant system with continuous topography with locally integrable derivative. We use a recently derived fully discrete sharp entropy inequality with dissipation, that enables us to establish an estimate in the inverse of the square root of the space increment $\Delta x$ of the $L^2$ norm of the gradient of approximate solutions. By DiPerna’s method we conclude the strong convergence towards bounded weak entropy solutions.
References
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Bibliographic Information
  • François Bouchut
  • Affiliation: Université Paris-Est, Laboratoire d’Analyse et de Mathématiques Appliquées (UMR 8050), CNRS, UPEM, UPEC, F-77454, Marne-la-Vallée, France
  • MR Author ID: 314037
  • ORCID: 0000-0002-2545-1655
  • Xavier Lhébrard
  • Affiliation: Université Paris-Est, Laboratoire d’Analyse et de Mathématiques Appliquées (UMR 8050), CNRS, UPEM, UPEC, F-77454, Marne-la-Vallée, France
  • Received by editor(s): September 6, 2019
  • Received by editor(s) in revised form: September 4, 2020
  • Published electronically: December 28, 2020
  • © Copyright 2020 American Mathematical Society
  • Journal: Math. Comp. 90 (2021), 1119-1153
  • MSC (2020): Primary 65M12, 76M12, 35L65
  • DOI: https://doi.org/10.1090/mcom/3600
  • MathSciNet review: 4232219