Using the Perron-Frobenius operator we establish a new functional central limit theorem for non-invertible measure preserving maps that are not necessarily ergodic. We apply the result to asymptotically periodic transformations and give a specific example using the tent map.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm110-1-6, author = {Michael C. Mackey and Marta Tyran-Kami\'nska}, title = {Central limit theorems for non-invertible measure preserving maps}, journal = {Colloquium Mathematicae}, volume = {111}, year = {2008}, pages = {167-191}, zbl = {1142.37010}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm110-1-6} }
Michael C. Mackey; Marta Tyran-Kamińska. Central limit theorems for non-invertible measure preserving maps. Colloquium Mathematicae, Tome 111 (2008) pp. 167-191. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm110-1-6/