Wong’s oscillation theorem for second-order delay differential equations
Let H(t) := ∫1/(r(s)z²(s)) (∫z(k)f(k)dk) ds, where z is a positive solution of (r(t)x')' + q(t)x = 0, t ≥ a, satisfying ∫1 / (r(s)z²(s)) ds < ∞. It is well known that, see [J. S. W. Wong, J. Math. Anal. and Appl. — 1999. — 231. — P. 235 – 240], if limt→∞ H(t) = − lim t→∞ H...
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Date: | 2016 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Published: |
Інститут математики НАН України
2016
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Series: | Нелінійні коливання |
Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/177242 |
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Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
Cite this: | Wong’s oscillation theorem for second-order delay differential equations / A. Özbekler and A. Zafer // Нелінійні коливання. — 2016. — Т. 19, № 1. — С. 93-100 — Бібліогр.: 15 назв. — англ. |