New product-type oscillation criteria for first-order linear differential equations with several nonmonotone arguments

被引：0
|
作者：
Attia, Emad R. [1 ,2 ]
El-Morshedy, Hassan A. [2 ]
机构：
[1] Prince Sattam Bin Abdulaziz Univ, Coll Sci & Humanities, Dept Math, Alkharj 11942, Saudi Arabia
[2] Damietta Univ, Fac Sci, Dept Math, New Damietta 34517, Egypt
来源：
BOUNDARY VALUE PROBLEMS | 2023年 / 2023卷 / 01期
关键词：
Oscillation; Delay differential equations; Several nonmonotone delays; DELAY;
D O I：
10.1186/s13661-023-01743-0
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We use an improved technique to establish new sufficient criteria of product type for the oscillation of the delay differential equation x'(t) + Em l=1 bl(t)x(al(t)) = 0, t > t0, with bl, al e C([t0, oo), [0, oo)) such that al(t) < tand limt->oo al(t) = oo, l = 1,2, , m. The obtained results are applicable for the nonmonotone delay case. Their strength is supported by a detailed practical example.
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页数：19
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