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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.DS2026
-generic continuum-wise expansive surface diffeomorphisms
Alfonso Artigue, Bernardo Carvalho, José Cueto
We exhibit a local residual set of surface diffeomorphisms that are continuum-wise expansive but are not expansive. We also exhibit an open and dense set of surface dif…