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Decay of correlations for certain isometric extensions of Anosov flows
2022
Ergodic Theory and Dynamical Systems
We establish exponential decay of correlations of all orders for locally G-accessible isometric extensions of transitive Anosov flows, under the assumption that the strong stable and strong unstable distributions of the base Anosov flow are $C^1$ . This is accomplished by translating accessibility properties of the extension into local non-integrability estimates measured by infinitesimal transitivity groups used by Dolgopyat, from which we obtain contraction properties for a class of 'twisted' symbolic transfer operators.
doi:10.1017/etds.2021.162
fatcat:finhillfvvbsnguyxv2ciq3wte