In probability theory, a stochastic process, or often random process, is a collection of random variables, representing the evolution of some system of random values over time. This is the probabilistic counterpart to a deterministic process (or deterministic system).
Related Journals for Stochastic processes 
Mathematical Models and Methods in Applied Sciences, Michigan Mathematical Journal, Quarterly Journal of Mathematics,The Mathematica Journal, Advances in Applied Mathematics, American Journal of Mathematics, Applied Mathematical Modelling, Applied Mathematics and Computation, Applied Numerical Mathematics, Canadian Journal of Mathematics ,Communications in Mathematical Sciences