COMPARISON THEOREMS FOR SECOND-ORDER NEUTRAL DIFFERENTIAL EQUATIONS OF MIXED TYPE

被引：0
|
作者：
Li, Tongxing [1 ]
机构：
[1] Shandong Univ, Sch Control Sci & Engn, Jinan 250061, Shandong, Peoples R China
来源：
ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS | 2010年
关键词：
Oscillation; neutral functional differential equations; mixed type; second-order; comparison theorem;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Three comparison theorems are established for the oscillation of the second-order neutral differential equations of mixed type (r(t)[x(t)+p(1)(t)x(t-sigma(1))+p(2)(t)x(t+sigma(2))]')'+q(1)(t)x(t-sigma(3))+q(2)(t)x(t+sigma(4))=0. Our results are new even when p(2)(t)=q(2)(t)=(0). An example is provided to illustrate the main results.
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页数：7
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