Trees in Positive Entropy Subshifts

I give a simple proof for the fact that positive entropy subshifts contain infinite binary trees where branching happens synchronously in each branch, and that the branching times form a set with positive lower asymptotic density.

Bibliographic Details
Main Author: Ville Salo
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Axioms
Subjects:
Online Access:https://www.mdpi.com/2075-1680/10/2/77