具有时滞的p-Laplacian方程非局部共振问题解的存在性
2012-10-08郑春华
郑春华
(陕西工业职业技术学院基础部,陕西 咸阳 712000)
近年来,p-Laplacian方程的多点边值问题被广泛研究,已取得了一些重要的研究结果[1-3],但关于具有时滞的p-Laplacian方程的多点边值问题的研究成果还很少.在文献[4]中,作者利用锥上的不动点定理研究了非共振边值问题
多个正解的存在性.
对于具有时滞的p-Laplacian方程的共振边值问题,由于讨论起来难度更大,因此已有的研究工作还相对较少.在本文中,我们利用推广的Mawhin连续性定理研究具有时滞的p-Laplacian方程3点共振边值问题:
1 预备知识
[1]葛渭高.非线性常微分方程边值问题[M].北京:科学出版社,2007:147-222.
[2]Feng Hanying,Ge Weigao.Triple symmetri-c positive solutions for multipoint boundary value problems with one dimensional p-Laplacian[J].Mathematical and Computer Modelling,2008,47(1-2):186-195.
[3]Wang Youyu,Zhao Meng,Hu Yingping.Triple positive solutions for a multi-point boundary value problem with one-dimensional p-Laplacian [J].Journal of Computers& Mathematics and Applications,2010,60(6):1792-1802.
[4]Du Bo,Hu Xueping,Ge Weigao.Positive solutions to a type of multi-point boundary value problem with delay and one dimensional p-Laplacian[J].Applied Mathematics and Computation,2009,208(2):501-510.
[5]Ge Weigao,Ren Jingli.An extension of Mawhin’s continuation theorem and its application to boundary value problems with a p-Laplacian[J].Nonlinear analysis:Theory,Methods & Applications,2004,58(3-4):477-488.