Abstract
Conditions are considered under which any trajectory from a small neighborhood of a torus of a nonlinear countable system of differential equations is attacted to a corresponding trajectory on the torus by an exponential law.
Literature cited
A. M. Samoilenko, “Preserving an invariant torus under a perturbation,” Izv. Akad. Nauk SSSR, Ser. Mat.,34, No. 6, 1219–1240 (1970).
A. M. Samoilenko, “Exponential stabilist of an invariant torus of a dynamical system,” Differents. Uravn.,11, No. 5, 820–834 (1975).
A. M. Samoilenko, Yu. V. Teplinskii, and N. S. Tsyganovskii, “Invariant tori of countable systems of differential equations,” Kiev, 1983 (Preprint Akad. Nauk UkrSSR, Inst. Mat. 83.30).
P. I. Avdeyuk, “Behavior of solutions of a quasilinear countable system of differential equations in a neighborhood of an invariant torus,” in: Asymptotic Integration of Differential Equations [in Russian], Inst. Mat. Akad. Nauk UkrSSR, Kiev (1985), pp. 3–8.
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 42, No. 3, pp. 401–405, March, 1990.
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Teplinskii, Y.V., Avdeyuk, P.I. Exponential stability of an invariant torus of a nonlinear countable system of differential equations. Ukr Math J 42, 357–360 (1990). https://doi.org/10.1007/BF01057025
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DOI: https://doi.org/10.1007/BF01057025