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Periodic solutions for a coupled pair of delay difference equations

Abstract

Based on the fixed-point index theory for a Banach space, positive periodic solutions are found for a system of delay difference equations. By using such results, the existence of nontrivial periodic solutions for delay difference equations with positive and negative terms is also considered.

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Correspondence to Guang Zhang.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Zhang, G., Kang, S. & Cheng, S.S. Periodic solutions for a coupled pair of delay difference equations. Adv Differ Equ 2005, 218982 (2005). https://doi.org/10.1155/ADE.2005.215

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