Existence of Solutions for Stochastic Differential Equations under G-Brownian Motion with Discontinuous Coefficients

نویسنده

  • Faiz Faizullah
چکیده

The existence theory for the vector valued stochastic differential equations under G-Brownian motion (G-SDEs) of the type Xt = X0 + ∫ t 0 f (v,Xv)dv+ ∫ t 0 g(v,Xv)d〈B〉v + ∫ t 0 h(v,Xv)dBv, t ∈ [0,T ], with first two discontinuous coefficients is established. It is shown that the G-SDEs have more than one solution if the coefficient g or the coefficients f and g simultaneously, are discontinuous functions. The upper and lower solutions method is used and examples are given to explain the theory and its importance.

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تاریخ انتشار 2012