Existence of multiple positive periodic solutions for nonlinear functional difference equations

Abstract

AbstractIn this paper, we investigate the existence of multiple positive periodic solutions to a class of functional difference equations. We answer the open problems proposed by Y. Raffoul in [Electron. J. Differential Equations 55 (2002) 1–8] and the conditions obtained improve some recent results established there

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This paper was published in Elsevier - Publisher Connector .

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