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Oscillation Criteria for First Order Neutral Differential Equations with Positive and Negative Coefficients

✍ Scribed by Xiaosheng Zhang; Jurang Yan

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 91 KB
Volume: 253
Category: Article
ISSN: 0022-247X
DOI: 10.1006/jmaa.2000.7092

No coin nor oath required. For personal study only.

✦ Synopsis

Ž .

, ␦ g R , G ␦ , are obtained where R t q H Q u du y 1 is allowed to

x ϱ w Ž . Ž oscillate and the condition H s P s y Q s y q ␦ H P u y Q u y q t s 0 .x ␦ du ds s ϱ is not necessary. Some examples are given, which show that the results here are almost sharp.

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