一类二阶中立型微分不等式最终正解的不存在性  

Eventually Positive Solutions for Certain Second Order Neutral Differential Inequalities

作　　者：林文贤[1] 

机构地区：[1]韩山师范学院数学与应用数学系,广东潮州521041

出　　处：《河南师范大学学报（自然科学版）》2012年第2期31-33,共3页Journal of Henan Normal University(Natural Science Edition)

摘　　要：研究一类二阶非线性中立型微分不等式,利用广义Riccati变换、平均技巧以及微分不等式理论,给出了该类不等式最终正解不存在的若干充分条件.A class of second order nonlinear neutral differential inequalities is investigated, and by introducing parameter function, some sufficient conditions for the nonexistence of eventually positive solutions for such inequalities are obtained by using the generalized Riccati transformation, the averaging technique and the theory of differential inequalities..

关 键 词：微分不等式 最终正解 参数函数. 

分 类 号：O175.10[理学—数学]