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作者:

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

收录:

EI Scopus SCIE

摘要:

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.

关键词:

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

作者机构:

  • [ 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

通讯作者信息:

  • 黄秋梅

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

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来源 :

SIAM JOURNAL ON SCIENTIFIC COMPUTING

ISSN: 1064-8275

年份: 2011

期: 5

卷: 33

页码: 2664-2684

3 . 1 0 0

JCR@2022

ESI学科: MATHEMATICS;

ESI高被引阀值:84

JCR分区:1

中科院分区:1

被引次数:

WoS核心集被引频次: 18

SCOPUS被引频次: 21

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

近30日浏览量: 3

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