Controllability of fractional stochastic neutral functional differential   equations driven by fractional Brownian motion with infinite delay
  In this paper we study the controllability of fractional neutral stochastic functional differential equations with infinite delay driven by fractional Brownian motion in a real separable Hilbert space.   The controllability results are obtained by using stochastic analysis and a fixed-point strategy. Finally, an illustrative example is provided to demonstrate the effectiveness of the theoretical result. 
El Hassan Lakhel
math.PR