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Author:

Huang, Qiumei (Huang, Qiumei.) (Scholars:黄秋梅) | Wang, Min (Wang, Min.)

Indexed by:

Scopus SCIE

Abstract:

In this paper a nonpolynomial Jacobi spectral-collocation (NJSC) method for the second kind Fredholm integral equations (FIEs) with weakly singular kernel |s-t|(-gamma) is proposed. By dividing the integral interval symmetrically into two parts and applying the NJSC method symmetrically to the two weakly singular FIEs respectively, the mild singularities of the interval endpoints can be captured and the exponential convergence can be obtained. A detailed L-infinity convergence analysis of the numerical solution is derived. The NJSC method is then extended to two dimensional case and similar exponential convergence results are obtained for low regular solutions. Numerical examples are presented to demonstrate the efficiency of the proposed method.

Keyword:

exponential convergence Fredholm integral equations weakly singular Nonpolynomial Jacobi spectral-collocation method

Author Community:

  • [ 1 ] [Huang, Qiumei]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Min]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Wang, Min]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China

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Source :

ADVANCES IN APPLIED MATHEMATICS AND MECHANICS

ISSN: 2070-0733

Year: 2024

1 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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