EN
Given a probability space (Ω,𝓐,P) and a subset X of a normed space we consider functions f:X × Ω → X and investigate the speed of convergence of the sequence (fⁿ(x,·)) of the iterates $fⁿ:X × Ω^{ℕ} → X$ defined by f¹(x,ω ) = f(x,ω₁), $f^{n+1}(x,ω) = f(fⁿ(x,ω),ω_{n+1})$.