Half-linear oscillation criteria: Perturbation in term involving derivative

被引:30
作者
Dosly, Ondrej [1 ]
Fisnarova, Simona [2 ]
机构
[1] Masaryk Univ, Dept Math & Stat, CZ-61137 Brno, Czech Republic
[2] Mendel Univ Brno, Dept Math, CZ-61300 Brno, Czech Republic
关键词
Half-linear differential equation; Oscillation and nonoscillation criteria; Riccati technique; Perturbation principle; Linearization method; 2ND-ORDER DIFFERENTIAL-EQUATIONS;
D O I
10.1016/j.na.2010.07.049
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We consider the nonoscillatory half-linear differential equation (r(t)Phi(x'))' + c(t)Phi(x) = 0, Phi(x) := vertical bar x vertical bar(p-2)x, p > 1, and we study oscillatory properties of its perturbation [(r(t) + r(t))Phi(x')]' + (c(t) + c(t))Phi(x) = 0 (*) We use the Riccati technique and relationship between (*) and a certain associated linear equation. The results are applied to the perturbed Euler-type equation. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:3756 / 3766
页数:11
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