Spectral methods for weakly singular Volterra integral equations with pantograph delays |
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| Authors: | Ran ZHANG Benxi ZHU Hehu XIE |
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| Affiliation: | 1. School of Mathematics, Jilin University, Changchun 130012, China; 2. LSEC, NCMIS, Institute of Computational Mathematics, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | In this paper, the convergence analysis of the Volterra integral equation of second kind with weakly singular kernel and pantograph delays is provided. We use some function transformations and variable transformations to change the equation into a new Volterra integral equation with pantograph delays defined on the interval [-1, 1], so that the Jacobi orthogonal polynomial theory can be applied conveniently. We provide a rigorous error analysis for the proposed method in the L∞-norm and the weighted L2-norm. Numerical examples are presented to complement the theoretical convergence results. |
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| Keywords: | Volterra integral equation vanishing delay weakly singular kernel Jacobi-spectral collocation method error analysis |
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