An invariance principle for weakly dependent stationary general models
arXiv:math/0603221
Abstract
The aim of this article is to refine a weak invariance principle for stationary sequences given by Doukhan & Louhichi (1999). Since our conditions are not causal our assumptions need to be stronger than the mixing and causal -weak dependence assumptions used in Dedecker & Doukhan (2003). Here, if moments of order exist, a weak invariance principle and convergence rates in the CLT are obtained; Doukhan & Louhichi (1999) assumed the existence of moments with order . Besides the previously used - and -weak dependence conditions, we introduce a weaker one, , which fits the Bernoulli shifts with dependent inputs.
30 pages