An explicit two-grid spectral deferred correction method for nonlinear fractional pantograph differential equations

In this paper, we propose an explicit two-grid spectral deferred correction method for solving the nonlinear fractional pantograph differential equations. We design a partition including the global and local grids, which reduces the interaction between the subintervals caused by the delay term. We a...

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Veröffentlicht in:Calcolo 2024, Vol.61 (4), Article 59
Hauptverfasser: Li, Shan, Du, Cunxuan, Wang, Zhongqing
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description In this paper, we propose an explicit two-grid spectral deferred correction method for solving the nonlinear fractional pantograph differential equations. We design a partition including the global and local grids, which reduces the interaction between the subintervals caused by the delay term. We also analyze the numerical errors of the suggested approach for the prediction step and the correction step, respectively. Numerical experiments confirm the theoretical expectations.
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subjects Differential equations
Error reduction
Mathematics
Mathematics and Statistics
Numerical Analysis
Pantographs
Theory of Computation
title An explicit two-grid spectral deferred correction method for nonlinear fractional pantograph differential equations
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