一类Semipositone问题的多个正解  

On Multiple Positive Solutions for a Class of Semipostione Problems

作　　者：张杰[1] 

机构地区：[1]遵义师范学院数学与计算科学学院,贵州遵义563000

出　　处：《西南师范大学学报（自然科学版）》2016年第6期31-34,共4页Journal of Southwest China Normal University(Natural Science Edition)

基　　金：国家自然科学基金青年项目(QJHJZ-LKZS[2012]03);贵州省科学技术基金项目(黔科合J字[2011]2117号)

摘　　要：结合上下解方法与下降流不变集临界点理论,在一般有界区域上,研究了一类Semipositone问题3个正解的存在性.In this paper,a classes of Semipostione problems has been considered in general bounded smooth domain of RN.By combining the methods of sub-super solutions and the Critical Point Theory of invariant sets of descending flow,at least three positive solutions have been obtained for the problems.

关 键 词：正解 上下解 下降流不变集 

分 类 号：O175.25[理学—数学]