Establishes positive periodic solutions in functional differential equations, suggesting effective solution methods.
In this paper, we will establish the existence of positive periodic solutions for a class of first order iterative functional differential equations by using a powerful and effective technique based on the Krasnoselskii fixed point theorem together with some useful properties of a Green's function. The obtained results that complement some previous works, are illustrated with an example.
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Bouakkaz et al. (2026) studied this question.
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