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math.DS2017
A note on dimensional entropy for amenable group actions
Dou Dou, Ruifeng Zhang
In this short note, for countably infinite amenable group actions, we provide topological proofs for the following results: Bowen topological entropy (dimensional entropy) of the w…
math.DS2017
When is a dynamical system mean sensitive?
Felipe García-Ramos, Jie Li, Ruifeng Zhang
This article is devoted to study which conditions imply that a topological dynamical system is mean sensitive and which do not. Among other things we show that every uniquely ergod…