Author's: Junfeng Liu and Litan Yan
 Pages: [113] - [133]
Received Date: December 21, 2009
Submitted by: 
In this note, we consider the distribution of the random variable
 and obtain the expression of its
characteristic function, where
 and obtain the expression of its
characteristic function, where  and
 and  are two independent sub-fractional Brownian
motions with indices
 are two independent sub-fractional Brownian
motions with indices  and
 and  respectively.
 respectively.
sub-fractional Brownian motion, stochastic integral, characteristic function.