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On Higher Order Functional Differential Equations with Property A

  • R. Koplatadze
Veröffentlicht/Copyright: 4. März 2010
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Georgian Mathematical Journal
Aus der Zeitschrift Band 11 Heft 2

Abstract

We study oscillatory properties of solutions of a functional differential equation of the form

𝑢(𝑛)(𝑡) + 𝐹(𝑢)(𝑡) = 0,

where 𝑛 ≥ 2 and 𝐹 : 𝐶(𝑅+; 𝑅) → 𝐿loc(𝑅+; 𝑅) is a continuous mapping. Sufficient conditions for this equation to have the so-called Property A are established. In the case of ordinary differential equation the obtained results lead to an integral generalization of the well-known theorem by Kondrat'ev.

Received: 2003-09-22
Published Online: 2010-03-04
Published in Print: 2004-June

© Heldermann Verlag

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