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On the ergodic properties of piecewise linear perturbations of the twist map

Published online by Cambridge University Press:  19 September 2008

M. Wojtkowski
Affiliation:
Departement of Mathematics, Facultés Universitaires de Namur, Rempart de la Vierge 8, B-5000 Namur, Belgium
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Abstract

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It is proved that for a sequence of arbitrarily small piecewise linear perturbations of the twist map, there is a domain with stochastic behaviour (almost hyperbolicity). The measure of this domain has the asymptotics

where A is the magnitude of the perturbation.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1982

References

REFERENCES

[1]Chirikov, B. V.. A universal instability of many dimensional oscillator systems. Physics Rep. 52 (1979), 263379.Google Scholar
[2]Wojtkowski, M.. A model problem with the coexistence of stochastic and integrable behaviour. Commun. Math. Phys. 80 (1981), 453464.CrossRefGoogle Scholar
[3]Newhouse, S. E.. Quasi-elliptic periodic points in conservative dynamical systems. Amer. J. Math. 99 (1977), 10611087.CrossRefGoogle Scholar
[4]Pesin, Ya. B.. Lyapunov characteristic exponents and smooth ergodic theory. Usp. Mat. Nauk 32 No 4 (1977), 55112. (In Russian.) English translation in Russ. Math. Survey 32 No. 4 (1977), 55–114.Google Scholar
[5]Katok, A. & J.-M. Strelcyn. Invariant manifolds for smooth maps with singularities. Part I: Existence. Preprint (1980).Google Scholar