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Author:

Huang, Qiumei (Huang, Qiumei.) (Scholars:黄秋梅) | Xie, Hehu (Xie, Hehu.) | Brunner, Hermann (Brunner, Hermann.)

Indexed by:

EI Scopus SCIE

Abstract:

This paper is concerned with the superconvergence of the discontinuous Galerkin solutions for delay differential equations with proportional delays vanishing at t = 0. Two types of superconvergence are analyzed here. The first is based on interpolation postprocessing to improve the global convergence order by finding the superconvergence points of discontinuous Galerkin solutions. The second type follows from the integral iteration which just requires a local integration procedure applied to the discontinuous Galerkin solution, thus increasing the order of convergence. The theoretical results are illustrated by a broad range of numerical examples.

Keyword:

vanishing proportional delay interpolation and iteration postprocessing superconvergence pantograph delay differential equation discontinuous Galerkin method

Author Community:

  • [ 1 ] [Huang, Qiumei]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Xie, Hehu]Chinese Acad Sci, Acad Math & Syst Sci, LSEC, ICMSEC, Beijing 100190, Peoples R China
  • [ 3 ] [Brunner, Hermann]Mem Univ Newfoundland, Dept Math & Stat, St John, NF A1C 5S7, Canada
  • [ 4 ] [Brunner, Hermann]Hong Kong Baptist Univ, Dept Math, Hong Kong, Hong Kong, Peoples R China

Reprint Author's Address:

  • 黄秋梅

    [Huang, Qiumei]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

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Source :

SIAM JOURNAL ON SCIENTIFIC COMPUTING

ISSN: 1064-8275

Year: 2011

Issue: 5

Volume: 33

Page: 2664-2684

3 . 1 0 0

JCR@2022

ESI Discipline: MATHEMATICS;

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 25

SCOPUS Cited Count: 27

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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