Comment on "Capturing correlations in chaotic diffusion by approximation methods"

TL;DR

This paper provides a critique and analysis of the methods used by Knight and Klages to approximate correlations in chaotic diffusion, highlighting potential limitations and offering insights into their approach.

Contribution

It offers a detailed commentary on the approximation methods for chaotic diffusion correlations, clarifying their strengths and weaknesses.

Findings

Identifies limitations in the original approximation methods.

Provides insights into the accuracy of correlation approximations.

Suggests possible improvements or alternative approaches.

Abstract

This is a comment on [G. Knight and R. Klages, Phys. Rev. E 84, 041135 (2011); also available at arXiv:1107.5293v2 [math-ph]].