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Birkhoff sections of Anosov flows

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Théo Marty
Thu, 2021-10-21 16:30 - 17:30

An Anosov flow is a globally hyperbolic dynamical system which can be studied in dimension 3 using some transverse surfaces called Birkhoff section. There exist three families of Birkhoff sections which can not co-exist, and they help understand the nature of the flow. I will explain a relation between the existence of these Birkhoff sections with the topology of the orbit space of the flow. 

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