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Correlations for pairs of periodic trajectories for open billiards

Vesselin Petkov1 and Luchezar Stoyanov2

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Recommended by S Nonnenmacher

In this paper we prove two asymptotic estimates for pairs of closed trajectories for open billiards similar to those established by Pollicott and Sharp (2006 Invent. Math. 163 10–24) for closed geodesics on negatively curved compact surfaces. The first of these estimates holds for general open billiards in any dimension. The more intricate second estimate is established for open billiards satisfying the so-called Dolgopyat type estimates. This class of billiards includes all open billiards in the plane and open billiards in \mathbb{R}^N (N ≥ 3) satisfying some additional conditions.


PACS

05.45.-a Nonlinear dynamics and nonlinear dynamical systems

02.30.Tb Operator theory

02.30.Lt Sequences, series, and summability

02.40.Ma Global differential geometry

MSC

37D50 Hyperbolic systems with singularities (billiards, etc.)

53C22 Geodesics (See also 58E10)

70K42 Equilibria and periodic trajectories

Subjects

Mathematical physics

Statistical physics and nonlinear systems

Dates

Issue 11 (November 2009)

Received 11 June 2009, in final form 11 September 2009

Published 5 October 2009



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