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偶阶非线性中立型时滞微分方程的振动性

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偶阶非线性中立型时滞微分方程的振动性 李文娟1,2, 汤获1,2, 俞元洪31. 赤峰学院数学与统计学院, 赤峰 024000;
2. 赤峰学院应用数学研究所, 赤峰 024000;
3. 中国科学院数学与系统科学研究院应用数学研究所, 北京 100190 Oscillation of Even Order Nonlinear Neutral Differential Equations with Distributed Delay Li Wenjuan1,2, Tang Huo1,2, Yu Yuanhong3Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100190, China
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摘要本文研究一类新的偶阶非线性中立型时滞微分方程
rt)|zn-1)t)|α-1zn-1)t))'+Ft,xgt)))=0,tt0
(其中zt)=xt)+ptxτt)),α>0为常数,n为偶数)的振动性.利用广义Riccati不等式和积分平均技巧得到方程一切解均为振动的若干新的振动准则,推广和改进了一些文献中的结果.
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收稿日期: 2017-02-28
PACS:O175.1
基金资助:国家自然科学基金(11761006,11762001)、内蒙古自然科学基金(2017MS0113)和内蒙古高等学校科研基金(NJZY17300,NJZY17301)资助项目.

引用本文:
李文娟, 汤获, 俞元洪. 偶阶非线性中立型时滞微分方程的振动性[J]. 应用数学学报, 2019, 42(2): 229-241. Li Wenjuan, Tang Huo, Yu Yuanhong. Oscillation of Even Order Nonlinear Neutral Differential Equations with Distributed Delay. Acta Mathematicae Applicatae Sinica, 2019, 42(2): 229-241.
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[1]罗红英, 屈英, 俞元洪. 具有正负系数的二阶中立型时滞Emden-Fowler方程的振动准则[J]. 应用数学学报, 2017, 40(5): 667-675.
[2]邱仰聪, 王其如. 具可变号系数的二阶时标动态方程的振动准则[J]. 应用数学学报, 2016, 39(1): 121-129.
[3]仉志余, 王晓霞, 俞元洪. 三阶半线性中立型分布时滞微分方程的振动性[J]. 应用数学学报, 2015, 38(3): 450-459.
[4]林文贤, 俞元洪. 高阶中立型时滞微分方程的振动准则[J]. 应用数学学报, 2014, 37(6): 1018-1024.
[5]张全信, 高丽, 俞元洪. 偶阶半线性中立型分布时滞微分方程的振动性[J]. 应用数学学报(英文版), 2011, 34(5): 895-905.
[6]张全信, 俞元洪. 偶阶半线性阻尼泛函微分方程的振动性[J]. 应用数学学报(英文版), 2010, 33(4): 601-610.



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