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Comparison criteria of positive solutions for a neutral difference equation with positive and negative coefficients

✍ Scribed by Guan Xinping; Yu Yuanhong; Yang Jun

Book ID
110611738
Publisher
Institute of Applied Mathematics, Chinese Academy of Sciences and Chinese Mathematical Society
Year
1999
Tongue
English
Weight
329 KB
Volume
15
Category
Article
ISSN
0168-9673

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t ## 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.