Abstract
Although numerical methods of nonlinear stochastic differential delay equations (SDDEs) have been discussed by several authors, there is so far little work on the numerical approximation of SDDE with coefficients of polynomial growth. The main aim of the paper is to investigate convergence in probability of the Euler-Maruyama (EM) approximate solution for SDDE with one-sided polynomial growing drift coefficient and polynomial growing diffusion coefficient. Moreover, we prove the existence-and-uniqueness of almost surely exponentially stable global solution for this nonlinear stochastic delay system. Finally, a computer simulation confirms the efficiency of our numerical method.
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Acknowledgments
The author expresses her sincere gratitude to two anonymous referees for their detailed comments and helpful suggestions. The financial support from the National Natural Science Foundation of China (Grant No.11301198;11422110).
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Zhou, S., Hu, C. Numerical approximation of stochastic differential delay equation with coefficients of polynomial growth. Calcolo 54, 1–22 (2017). https://doi.org/10.1007/s10092-016-0173-4
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DOI: https://doi.org/10.1007/s10092-016-0173-4
Keywords
- Stochastic differential delay equation
- Convergence in probability
- One-sided polynomial growth conditions
- Euler Maruyama method
- Stopping time