Mean square stability and dissipativity of two classes of theta methods for systems of stochastic delay differential equations
Mean square stability and dissipativity of two classes of theta methods for systems of stochastic delay differential equations
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随机时滞微分方程组两类theta方法的均方稳定性和耗散性
DOI:
10.1016/j.cam.2013.03.038
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发表时间:
2014-03
期刊:
影响因子:
--
通讯作者:
C. Huang
中科院分区:
文献类型:
--
作者:
C. Huang
In this paper, we first study the mean square stability of numerical methods for stochastic delay differential equations under a coupled condition on the drift and diffusion coefficients. This condition admits that the diffusion coefficient can be highly nonlinear, ie, it does not necessarily satisfy a linear growth or global Lipschitz condition. It is proved that, for all positive stepsizes, the classical stochastic theta method with θ≥ 0.5 is asymptotically mean square stable and the split-step theta method with θ> 0.5 is exponentially mean square stable. Conditional stability results for the methods with θ< 0.5 are also obtained under a stronger assumption. Finally, we further investigate the mean square dissipativity of the split-step theta method with θ> 0.5 and prove that the method possesses a bounded absorbing set in mean square independent of initial data.
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影响因子:
4.6
作者:
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影响因子:
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DOI:
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发表时间:
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期刊:
Math. Comput. Model.
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DOI:
10.1080/17442509408833885
发表时间:
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期刊:
Stochastics and Stochastics Reports
影响因子:
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