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一阶非线性脉冲微分方程边值问题解的存在性
  • 期刊名称：四川师范大学学报(自然科学版)
  • 时间：0
  • 页码：764-767-
  • 分类：O175.14[理学—数学;理学—基础数学]
  • 作者机构：[1]中国矿业大学理学院,江苏徐州221008, [2]中国矿业大学矿业工程学院,江苏徐州221008
  • 相关基金：国家自然科学基金项目（10771212）;中央高校理科专项资助项目（2010LKSX09）
  • 相关项目：Banach空间上非线性算子半群与非线性微分包含及其应用
作者： 杨丹丹|李刚|
关键词： 状态依赖, 时滞方程, 重合度, 正周期解, state-dependent, time-delay equation, coincidence degree, positive periodic solution
中文摘要：

研究了一类状态依赖时滞能源价格模型的动力学行为，通过使用一些新的分析技巧，获得该模型周期解的先验估计，利用重合度理论中的延拓定理，得到该模型正周期解存在的充分性条件，最后以我国近年来无烟煤出厂价格实例验证了该模型实际意义的合理性．

英文摘要：

Dynamic behavior for a kind of state-dependent time-delayed energy price model is discussed in this paper. Through the use of some new analysis techniques, the prior estimate of the model＇s periodic solutions is obtained, and by using the continuation theorem of coincidence degree theory, the sufficient condition of the existence of the model＇s positive periodic solutions is obtained. Finally, anthracite prices in recent years are taken as the example to verify the reasonableness of the model＇s practical significance.

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Banach空间上非线性算子半群与非线性微分包含及其应用
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跨共振点非耗散振动周期解存在性研究
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