Skip to Main Content

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.

 

$L^1$ error estimates for difference approximations of degenerate convection-diffusion equations
HTML articles powered by AMS MathViewer

by K. H. Karlsen, N. H. Risebro and E. B. Storrøsten PDF
Math. Comp. 83 (2014), 2717-2762 Request permission

Abstract:

We analyze monotone finite difference schemes for strongly degenerate convection-diffusion equations in one spatial dimension. These nonlinear equations are well-posed within a class of (discontinuous) entropy solutions. We prove that the $L^1$ error between the approximate and exact solutions is $\mathcal {O}(\Delta x^{1/3})$, where $\Delta x$ is the spatial grid parameter. This result should be compared with the classical $\mathcal {O}(\Delta x^{1/2})$ error estimate for conservation laws (Kuznecov, 1976), and a recent estimate of $\mathcal {O}(\Delta x^{1/11})$ for degenerate convection-diffusion equations (Karlsen, Koley, Risebro 2012).
References
Similar Articles
Additional Information
  • K. H. Karlsen
  • Affiliation: Center of Mathematics for Applications (CMA), University of Oslo, P.O. Box 1053, Blindern, N–0316 Oslo, Norway
  • Email: kennethk@math.uio.no
  • N. H. Risebro
  • Affiliation: Center of Mathematics for Applications (CMA), University of Oslo, P.O. Box 1053, Blindern, N–0316 Oslo, Norway
  • Email: nilshr@math.uio.no
  • E. B. Storrøsten
  • Affiliation: Center of Mathematics for Applications (CMA), University of Oslo, P.O. Box 1053, Blindern, N–0316 Oslo, Norway
  • Email: erlenbs@math.uio.no, erlenbs@gmail.com
  • Received by editor(s): May 4, 2012
  • Received by editor(s) in revised form: January 25, 2013
  • Published electronically: March 28, 2014
  • © Copyright 2014 American Mathematical Society
  • Journal: Math. Comp. 83 (2014), 2717-2762
  • MSC (2010): Primary 65M06, 65M15; Secondary 35K65, 35L65
  • DOI: https://doi.org/10.1090/S0025-5718-2014-02818-4
  • MathSciNet review: 3246807