Comparison theorems and necessary/sufficient conditions for the existence of nonoscillatory solutions of forced impulsive differential equations with delay

• Published in: Український математичний журнал
• Date: 2012
• ISSN: 1027-3190
• Main Authors: Shao Yuan Huang, Sui Sun Cheng
• Format: Article
• Language: English
• Published: Український математичний журнал 2012
• Subjects: Статті
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/164517
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Comparison theorems and necessary/sufficient conditions for the existence of nonoscillatory solutions of forced impulsive differential equations with delay / Shao Yuan Huang, Sui Sun Cheng // Український математичний журнал. — 2012. — Т. 64, № 9. — С. 1233-1248. — Бібліогр.: 8 назв. — англ.

In 1997, A. H. Nasr provided necessary and sufficient conditions for the oscillation of the equation
 where η > 0, p, and g are continuous functions on [0,∞) such that p(t) ≥ 0, g(t) ≤ t, g′(t) ≥ α > 0, and lim t→∞ g(t) =∞. It is important to note that the condition g′(t) ≥ α > 0 is...