Convergence and stability of the split-step θ-method for stochastic differential equations

  • Authors:
  • Xiaohua Ding;Qiang Ma;Lei Zhang

  • Affiliations:
  • -;-;-

  • Venue:
  • Computers & Mathematics with Applications
  • Year:
  • 2010

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Abstract

In this paper, we construct a new split-step method for solving stochastic differential equations, namely the split-step @q-method. Under Lipschitz and linear growth conditions, we establish a mean-square convergence theory of split-step @q-approximate solutions. Moreover, the mean-square stability of the method for a linear test equation with real parameters is considered and the real mean-square stability region is plotted. Finally, numerical results are presented to demonstrate the efficiency of the split-step @q-method.