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.

 

Sparse tensor multi-level Monte Carlo finite volume methods for hyperbolic conservation laws with random initial data
HTML articles powered by AMS MathViewer

by S. Mishra and Ch. Schwab PDF
Math. Comp. 81 (2012), 1979-2018 Request permission

Abstract:

We consider scalar hyperbolic conservation laws in spatial dimension $d\geq 1$ with stochastic initial data. We prove existence and uniqueness of a random-entropy solution and give sufficient conditions on the initial data that ensure the existence of statistical moments of any order $k$ of this random entropy solution. We present a class of numerical schemes of multi-level Monte Carlo Finite Volume (MLMC-FVM) type for the approximation of the ensemble average of the random entropy solutions as well as of their $k$-point space-time correlation functions. These schemes are shown to obey the same accuracy vs. work estimate as a single application of the finite volume solver for the corresponding deterministic problem. Numerical experiments demonstrating the efficiency of these schemes are presented. In certain cases, statistical moments of discontinuous solutions are found to be more regular than pathwise solutions.
References
Similar Articles
  • Retrieve articles in Mathematics of Computation with MSC (2010): 65N30, 65M06, 35L65
  • Retrieve articles in all journals with MSC (2010): 65N30, 65M06, 35L65
Additional Information
  • S. Mishra
  • Affiliation: Seminar for Applied Mathematics, ETH, HG G. 57.2, Rämistrasse 101, Zürich, Switzerland
  • Email: smishra@sam.math.ethz.ch
  • Ch. Schwab
  • Affiliation: Seminar for Applied Mathematics, ETH, HG G. 57.1, Rämistrasse 101, Zürich, Switzerland
  • MR Author ID: 305221
  • Email: smishra@sam.math.ethz.ch
  • Received by editor(s): August 31, 2010
  • Received by editor(s) in revised form: May 25, 2011
  • Published electronically: April 5, 2012
  • Additional Notes: The work of Ch. Schwab was supported in part by ERC grant no. 247277. Ch. Schwab and S. Mishra acknowledge also partial support from ETH grant no. CH1-03 10-1. S. Mishra wishes to thank Claude J. Gittelson for useful discussions.
  • © Copyright 2012 American Mathematical Society
  • Journal: Math. Comp. 81 (2012), 1979-2018
  • MSC (2010): Primary 65N30, 65M06, 35L65
  • DOI: https://doi.org/10.1090/S0025-5718-2012-02574-9
  • MathSciNet review: 2945145