Open Access
2009 Exponential decay of correlations for surface semiflows with an expanding direction
Ippei Obayashi
J. Math. Kyoto Univ. 49(2): 427-440 (2009). DOI: 10.1215/kjm/1256219166


Dolgopyat [4] showed that a class of Axiom A flows has exponential decay of correlations for smooth observables, and Baladi-Vallée [2] gave a nice interpretation of it on suspension semiflows of one-dimensional expanding countable Markov maps. Avila-Gouëzel-Yoccoz [1] extends the result of Baladi-Vallée to higher dimensional systems.

In this paper we show that a class of non-Markov semiflows also has exponential decay of correlations.

We prove that such exponential decay can be shown on an open dense condition for the suspensions of piecewise expanding maps.


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Ippei Obayashi. "Exponential decay of correlations for surface semiflows with an expanding direction." J. Math. Kyoto Univ. 49 (2) 427 - 440, 2009.


Published: 2009
First available in Project Euclid: 22 October 2009

zbMATH: 1184.37008
MathSciNet: MR2571851
Digital Object Identifier: 10.1215/kjm/1256219166

Rights: Copyright © 2009 Kyoto University

Vol.49 • No. 2 • 2009
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