Journal
PROCEEDINGS OF THE LONDON MATHEMATICAL SOCIETY
Volume 98, Issue -, Pages 163-190Publisher
WILEY
DOI: 10.1112/plms/pdn028
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Funding
- EPSRC [EP/D055520/1]
- Leverhulme Research Fellowship
- Engineering and Physical Sciences Research Council [EP/D055520/1] Funding Source: researchfish
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We show that polynomial decay of correlations is prevalent for a class of nonuniformly hyperbolic flows. These flows are the continuous time analogue of a class of nonuniformly hyperbolic diffeomorphisms for which Young proved polynomial decay of correlations. Roughly speaking, in situations where the decay rate o(1/n(beta)) has previously been proved for diffeomorphisms, we establish the decay rate o(1/t(beta)) for flows. Applications include certain classes of semidispersing billiards, as well as dispersing billiards with vanishing curvature. In addition, we obtain results for suspension flows with unbounded roof functions. In particular, the classical planar Lorentz flow with a doubly periodic array of circular scatterers has decay rate 1/t as anticipated by physicists.
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