On topological rank of factors of Cantor minimal systems.

Autor: GOLESTANI, NASSER, HOSSEINI, MARYAM
Zdroj: Ergodic Theory & Dynamical Systems; Sep2022, Vol. 42 Issue 9, p2866-2889, 24p
Abstrakt: A Cantor minimal system is of finite topological rank if it has a Bratteli–Vershik representation whose number of vertices per level is uniformly bounded. We prove that if the topological rank of a minimal dynamical system on a Cantor set is finite, then all its minimal Cantor factors have finite topological rank as well. This gives an affirmative answer to a question posed by Donoso, Durand, Maass, and Petite in full generality. As a consequence, we obtain the dichotomy of Downarowicz and Maass for Cantor factors of finite-rank Cantor minimal systems: they are either odometers or subshifts. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index