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ITERATED LOGARITHM SPEED OF RETURN TIMES

Part of: Topological dynamics Ergodic theory

Published online by Cambridge University Press:  04 October 2017

ŁUKASZ PAWELEC Open the ORCID record for ŁUKASZ PAWELEC [Opens in a new window]
ŁUKASZ PAWELEC*
Affiliation:
Department of Mathematics and Mathematical Economics, Warsaw School of Economics, al. Niepodległości 162, 02–554 Warszawa, Poland email LPawel@sgh.waw.pl
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Abstract

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In a general setting of an ergodic dynamical system, we give a more accurate calculation of the speed of the recurrence of a point to itself (or to a fixed point). Precisely, we show that for a certain $\unicode[STIX]{x1D709}$ depending on the dimension of the space, $\liminf _{n\rightarrow +\infty }(n\log \log n)^{\unicode[STIX]{x1D709}}d(T^{n}x,x)=0$ almost everywhere and $\liminf _{n\rightarrow +\infty }(n\log \log n)^{\unicode[STIX]{x1D709}}d(T^{n}x,y)=0$ for almost all $x$ and $y$ . This is done by assuming the exponential decay of correlations and making a weak assumption on the invariant measure.

Keywords

Poincaré theoremrecurrencedecay of correlationsshrinking target

MSC classification

Primary: 37A25: Ergodicity, mixing, rates of mixing
Secondary: 37B20: Notions of recurrence

Information

Type
Research Article
Information
Bulletin of the Australian Mathematical Society , Volume 96 , Issue 3 , December 2017 , pp. 468 - 478
Copyright
© 2017 Australian Mathematical Publishing Association Inc. 

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