Is a WN(.,.) process stationary? Can Bougerol be applied?
No, not neccesarily. So no
What does Bougerol imply?
e.a.s. convergence to an SE sequence
What does consistancy require with the derivative?
Derivative has to equal 0
Is the variance of an RCAR model constant?
No, this does not have to be the case
What is the c_n equality?