The operator B is contractive in (FT(X), dFT ), and has a unique fixed point. In particular, if
is the FT of the invariant measure of the Markov operator M, then the fixed point is
The following final results holds true.
Stefano M. Iacus, Davide La Torre
Next: Theorem 9 (Collage Theorem for FT, (Forte and Vrscay, 1998))