| 一般广义棱的连通度 |
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| 引用本文： | 李霄民[] 、柳扬[]. 一般广义棱的连通度[J]. 西南大学学报(自然科学版), 2016, 38(8): 31-34 |
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| 作者姓名： | 李霄民[] 、柳扬[] |
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| 作者单位： | 韩山师范学院 数学与统计学院,广东 潮州,521041 |
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| 基金项目： | 重庆市自然科学基金项目(CSTC2014JCYJA00033)；重庆市教委科技项目(KJ1400630)；国家自然科学基金项目(11471059)． |
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| 摘 要： | 对广义棱的概念作了拓展,研究了拓展意义下一般广义棱的连通度,给出了一般广义棱的连通度的上下界,及一般广义棱的连通度等于最小度的充分条件,推广了有关广义棱连通度的结果.
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| 关 键 词： | 广义棱；连通度；上下界； |
Connectivity of Generalized Prisms |
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| LI Xiao-min[],LIU Yang[]. Connectivity of Generalized Prisms[J]. Journal of southwest university (Natural science edition), 2016, 38(8): 31-34 |
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| Authors: | LI Xiao-min[] LIU Yang[] |
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| Abstract: | In this paper,the oscillation problem for a certain class of second order nonlinear neutral delay differential equations has been studied.By using generalized Riccati inequality,several new oscillation cri-teria have been published.The results of this paper generalize and improve several known results in the literature recently.Some illustrating examples have also been provided to show the importance of these results. |
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