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Necessary and sufficient condition for oscillation of a neutral differential system with several delays

✍ Scribed by O Arino; I Győri


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
301 KB
Volume
81
Category
Article
ISSN
0022-0396

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Necessary and Sufficient Conditions for
✍ James S.W Wong 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 94 KB

Consider the second order nonlinear neutral differential equation with delays: Ž . w . E d rdt y t y py t y q q t f y t y s 0, for t g 0, ϱ , where Ž . Ž . Ž . Ž . q t , f x are continuous functions, q t G 0, yf y ) 0 if y / 0, and 0p -1, Ž . ) 0, ) 0. When f y satisfies either the superlinear or