On the existence of invariant tori of countable systems of difference-differential equations defined on infinite-dimensional tori
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In the space of bounded number sequences, we establish sufficient conditions for the existence of invariant tori for linear and quasilinear countable systems of differential-difference equations defined on infinitedimensional tori and containing an infinite set of constant deviations of a scalar argument.
KeywordsCountable System Invariant Torus Ukrainian National Academy Constant Deviation Arbitrary Real Number
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