# Entropy of partially hyperbolic flows with center dimension two

Mario Roldán, RADU SAGHIN, Jiagang Yang

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

2 Citas (Scopus)

## Resumen

In this article we study the regularity of the topological and metric entropy of partially hyperbolic flows with two-dimensional center direction. We show that the topological entropy is upper semicontinuous with respect to the flow, and we give an example where the lower semicontinuity fails. We also show that if such a flow has no fixed points, then it is entropy expansive, and consequentely the metric entropy function is upper semicontinuous, there exist equilibrium states (and measures of maximal entropy), and principal symbolic extensions.

Idioma original Inglés 790-806 17 Nonlinearity 33 2 https://doi.org/10.1088/1361-6544/ab5156 Publicada - 2020 Sí

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