Abstract
In this paper, based on the sum-of-exponentials approximation, a fast Euler–Maruyama (EM) method is constructed to solve a kind of multi-term Riemann–Liouville stochastic fractional differential equations. Then the strong convergence order min{1−αm,0.5} of the proposed EM method is proved with Riemann–Liouville fractional derivatives’ orders satisfying 0<α1<α2<⋯<αm<1. Finally, two numerical examples are given to support the theoretical results and show the powerful computational performance of the fast EM method.
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