D. Ash, and N. Ormes. (2022)cite arxiv:2208.07854Comment: 32 pages, to appear in Israel Journal of Mathematics. Corrected and expanded version of "Topological Speedups'' by Ash.
N. Zhukova, and A. Korotkov. (2022)cite arxiv:2206.10992Comment: 29 pages, 9 figures. This work will be published in Journal of Difference Equations and Applications.