时间测度链上一类二阶动力方程的振动性 |
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引用本文: | 杨甲山,苏芳. 时间测度链上一类二阶动力方程的振动性[J]. 数学的实践与认识, 2014, 0(13) |
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作者姓名: | 杨甲山 苏芳 |
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作者单位: | 梧州学院数理系; |
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基金项目: | 广西教育厅科研项目(2013YB223);湖南省教育厅科研重点项目(09A082) |
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摘 要: | 研究了时间测度链上的一类具有非线性中立项和变时滞的二阶非线性动力方程的振动性.通过引入参数函数和广义的Riccati变换,并借助时间测度链上的有关理论,得到了方程振动的几个充分条件.所得结果推广和改进了现有文献中相应的结果.
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关 键 词: | 时间测度链 动力方程 非线性中立项 Riccati变换 振动性 |
Oscillation of a Class of Second-order Dynamic Equation on Time Scales |
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Abstract: | In this paper,the oscillation for a class of second order nonlinear dynamic equation on time scales with nonlinear neutral term and variable delay was discussed.Using the time scales theory and some necessary analytic techniques,some sufficient conditions for oscillation of the equation were proposed by introducing parameter function and the generalized Riccati transformation.These results improve and generalize some corresponding known results in the literature. |
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Keywords: | time scales dynamic equations nonlinear neutral term Riccati transformation oscillation |
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