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Geodesic Flows Modelled by Expansive Flows

Published online by Cambridge University Press:  28 August 2018

Katrin Gelfert*
Affiliation:
Instituto de Matemática, Universidade Federal do Rio de Janeiro, Cidade Universitária – Ilha do Fundão, Rio de Janeiro 21945-909, Brazil ([email protected])
Rafael O. Ruggiero
Affiliation:
Departamento de Matemática PUC-Rio, Rua Marqués de São Vicente 225, Rio de Janeiro 22543-900, Brazil ([email protected])
*
*Corresponding author.

Abstract

Given a smooth compact surface without focal points and of higher genus, it is shown that its geodesic flow is semi-conjugate to a continuous expansive flow with a local product structure such that the semi-conjugation preserves time parametrization. It is concluded that the geodesic flow has a unique measure of maximal entropy.

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 2018 

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