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Positive periodic solutions for higher-order functional difference systems depending on a parameter. (English) Zbl 1279.39007

For a given integer \(T\) with \(T\geq 0\), the authors are interested in the problem of existence, multiplicity and nonexistence of positive \(T\)-periodic solutions for the system \[ (IL- A(t))^n u(t)=\lambda H(t) f(t,u(t- \tau(t))),\quad t\in \mathbb Z. \]

MSC:

39A23 Periodic solutions of difference equations
39A10 Additive difference equations
39A22 Growth, boundedness, comparison of solutions to difference equations
Full Text: DOI

References:

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