| 
 | 
 | 
A collection of random variables 
, where the index 
 runs through 0, 1, ....
References
Kemeny, J. G. and Snell, J. L.  Finite Markov Chains.  New York: Springer-Verlag, 1976.
 
Stewart, W. J.  Introduction to the Numerical Solution of Markov Chains.  Princeton, NJ: Princeton University Press, 1995.