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浏览/检索结果: 共4条，第1-4条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Positive solutions for a fourth-order three-point BVP with sign-changing Green's function 期刊论文 ELECTRONIC JOURNAL OF QUALITATIVE THEORY OF DIFFERENTIAL EQUATIONS, 2018, 期号: 5, 页码: 1-11 作者:  Zhang, Yun;  Sun, Jian-Ping;  Zhao, Juan 收藏  |  浏览/下载：16/0  |  提交时间：2019/11/15 fourth-order three-point boundary value problem  sign-changing Green's function  positive solution  existence  fixed point index   Existence of multiple solutions of fourth-order difference equation boundary value problem 期刊论文 Int. J. Dyn. Syst. Differ. Equ., 2009, 卷号: Vol.2 No.3-4, 页码: 273-279 作者:  Cai, Xiaochun 收藏  |  浏览/下载：1/0  |  提交时间：2020/01/13 nonlinear difference equations  fourth order  boundary value problems  critical point theory  three solutions   THREE POSITIVE SOLUTIONS FOR THIRD AND FOURTH ORDER TWO-POINT BOUNDARY VALUE PROBLEMS 期刊论文 Advances in Mathematical Sciences and Applications, 2006, 卷号: Vol.16 NO.2, 页码: 623-642 作者:  ZEQING LIU;  RAVI P. AGARWAL;  SHIN MIN KANG 收藏  |  浏览/下载：3/0  |  提交时间：2019/02/27 Third  order  two-point  boundary  value  problem  Fourth  order  two-point  boundary  value  problem  Multiple  positive  solutions  Greens  function  Amann  fixed-point  theorem  Leggett-Williams  fixed  point  theorem  Krasnoselskii  fixed-point  theorem   Multiple nonnegative solutions for BVPs of fourth-order difference equations 期刊论文 ADVANCES IN DIFFERENCE EQUATIONS, 2006 作者:  Sun, Jian-Ping 收藏  |  浏览/下载：11/0  |  提交时间：2019/11/15