Acta mathematica scientia,Series B ›› 1994, Vol. 14 ›› Issue (3): 272-282.

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THE APPROXIMATION THEOREM OF STOCHASTIC DIFFERENTIAL EQUATIONS IN THE PLANE

Long Hongwei   

  1. Institute of Mathematical Sciences, Chin. Acad. of Sci., Wuhan 430071. China
  • Received:1990-12-18 Online:1994-09-25 Published:1994-09-25
  • Supported by:
    Research supported by National Natural Science Foundation of China.

Abstract: In this paper,we consider the approximation problem of stochastic differential equation with respect to two-parameter Wiener processes and deal with the relation between the solution of stochastic differential equation dXn=σ(Xn)dBz+(1)/4σσ'(Xn) dz and the solution of ordinary differential equation dXn(z)=σ(Xn(z)dBzn,where Bzn is a special sequence of approximation to Bz.

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