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浏览/检索结果: 共5条，第1-5条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序作者升序作者降序提交时间升序提交时间降序题名升序题名降序 Periodic solutions to second order nonautonomous differential systems with gyroscopic forces 期刊论文 APPLIED MATHEMATICS LETTERS, 2011, 卷号: 24, 页码: 1343-1346 作者:  Han, Zhiqing;  Wang, Suqin;  Yang, Minghai 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/18 Second order differential systems  Saddle point theorem  Generalized Ahmad-Lazer-Paul type condition   On existence of positive solutions of Sturm-Liouville boundary value problems for a nonlinear singular differential system 期刊论文 APPLIED MATHEMATICS AND COMPUTATION, 2011, 卷号: 217, 期号: 13, 页码: 6097-6104 作者:  Yang, Jingbao 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/23 Sturm-Liouville boundary value problems  Second-order differential  systems  Positive solutions   Non-collision periodic solutions of second order singular dynamical systems 期刊论文 2010, 2010 Chu, Jifeng; Franco, Daniel 收藏  |  浏览/下载：2/0 Existence of positive solutions of Sturm-Liouville boundary value problems for a nonlinear singular second order differential system with a parameter 期刊论文 Journal of Applied Mathematics and Computing, 2010, 卷号: 34, 期号: 43102, 页码: 129-145 作者:  Yang, Jingbao;  Wei, Zhongli 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/26 Positive solutions  Second order differential systems  Sturm-Liouville boundary value problems   Positive periodic solutions of second-order nonlinear differential systems with two parameters 期刊论文 Computers and Mathematics with Applications, 2008, 卷号: Vol.56 NO.1, 页码: 43-54 作者:  Wu, Jun;  Wang, Zhicheng 收藏  |  浏览/下载：2/0  |  提交时间：2020/01/13 Positive periodic solutions  Second-order differential system  Fixed point theorem  Fixed point index  Nonlinear systems