3 papers
math.DS2026
Metric-Independent Expansiveness
Alfonso Artigue, Luis Ferrari
In this article we introduce and study a natural form of expansivity, that we call \textit{metric-independent expansiveness}, for group actions on metrizable spaces. This notion me…
math.DS2021
Nonstandard Expansiveness
Luis Ferrari
Let be a metric space and be a homeomorphism. We say that a dynamical system is \emph{expansive}, with constant of expansivity $c \in \mathbb{R…
math.DS2020
Asymptotic Pairs for Interval Exchange Transformations
Ethan Akin, Alfonso Artigue, Luis Ferrari
We provide a simple description of asymptotic pairs in the subshift associated with an interval exchange transformation and show that, under reasonably general conditions, doubly a…