Abstract
We consider a difference system with quasiperiodic coefficientsx n+1=Ax n+P(ϕn)xn, ϕn+1=ϕn+Ω An estimate is obtained of the measure of the set of those matrices A for which the given system is reducible to a system with constant coefficients.
Literature cited
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N. N. Bogolyubov, Yu. A. Mitropol'skii, and A. M. Samoilenko, Method of Accelerated Convergence on Nonlinear Mechanics [in Russian], Naukova Dumka, Kiev (1969).
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 42, No. 11, pp. 1572–1575, November, 1990.
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Samoilenko, A.M., Sukhomlin, A.A. Measure of reducible difference systems. Ukr Math J 42, 1415–1418 (1990). https://doi.org/10.1007/BF01066201
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DOI: https://doi.org/10.1007/BF01066201