Necessary and sufficient condition for ℳ2-convergence to a Lévy process for billiards with cusps at flat points

Author:

Jung Paul1,Melbourne Ian2,Pène Françoise3,Varandas Paulo4,Zhang Hong-Kun5

Affiliation:

1. Department of Mathematical Sciences, KAIST, Daejeon, South Korea

2. Mathematics Institute, University of Warwick, Coventry, CV4 7AL, UK

3. Université de Brest, Institut Universitaire de France, LMBA, UMR CNRS 6205, 29238 Brest cedex, France

4. Departamento de Matemática, Universidade Federal da Bahia, 40170-110 Salvador, Brazil

5. Department of Mathematics, University of Massachusetts, Amherst, MA, USA

Abstract

We consider a class of planar dispersing billiards with a cusp at a point of vanishing curvature. Convergence to a stable law and to the corresponding Lévy process in the [Formula: see text] and [Formula: see text] Skorohod topologies has been studied in recent work. Here, we show that certain sufficient conditions for [Formula: see text]-convergence are also necessary.

Publisher

World Scientific Pub Co Pte Lt

Subject

Modelling and Simulation

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