Existence and Asymptotic Behavior of Positive Solutions of Functional Differential Equations of Delayed Type

J. Diblík and M. Kúdelčíková

Abstract and Applied Analysis, 2011, vol. 2011, 1-16

Abstract:

Solutions of the equation ̇ 𠑦 ( 𠑡 ) = − 𠑓 ( 𠑡 , 𠑦 𠑡 ) are considered for 𠑡 → ∞ . The existence of two classes of positive solutions which are asymptotically different is proved using the retract method combined with Razumikhin's technique. With the aid of two auxiliary linear equations, which are constructed using upper and lower linear functional estimates of the right-hand side of the equation considered, inequalities for both types of positive solutions are given as well.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:754701

DOI: 10.1155/2011/754701

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