Abstract

Integrodifferential equations of the forms urn:x-wiley:20903332:media:ista345783:ista345783-math-0001 are considered, where K ∈ C([0, ∞), [0, ∞)), p ∈ C([0, ∞), [0, ∞)) and q ∈ C((−∞, ∞), [0, ∞)). Necessary conditions and also sufficient conditions for the existence of positive solutions are established.

Highlights

  • AND STATEMENT OF RESULTSOur aim in this paper is to obtain necessary conditions and sufficient conditions for the existence of positive solutions of certain integrodifferential equations

  • Very recently Gopalsamy [3,4,5,6,7,8], Ladas, the present author and Sficas [9], the present author [10, 11], and the present author and Sficas [12] studied the oscillatory behavior of solutions of integrodifferential equations or of systems of integrodifferential equations

  • For questions related to the theory of integrodifferential equations, see Burton [1]

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Summary

Integrodifferential equations of the forms

---o are considered, where K E C([0, oo),[0, oo)), p E C([0, ), [0, oo)) and q C(( oo, oo), [0, oo)). Necessary conditions and sufficient conditions for the existence of positive solutions are established.

AND STATEMENT OF RESULTS
Consider the integrodifferential equations

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