a Positive Solutions for a System of Semipositone Fractional Difference Boundary Value Problems

被引:16
|
作者
Chen, Cheng [1 ]
Xu, Jiafa [1 ]
O'Regan, Donal [2 ]
Fu, Zhengqing [3 ]
机构
[1] Chongqing Normal Univ, Sch Math Sci, Chongqing 40133, Peoples R China
[2] Natl Univ Ireland, Sch Math Stat & Appl Math, Galway, Ireland
[3] Shandong Univ Sci & Technol, Coll Math & Syst Sci, Qingdao 266590, Peoples R China
基金
中国国家自然科学基金;
关键词
UNIQUENESS; PARAMETERS;
D O I
10.1155/2018/6835028
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Using the fixed point index, we establish two existence theorems for positive solutions to a system of semipositone fractional difference boundary value problems. We adopt nonnegative concave functions and nonnegative matrices to characterize the coupling behavior of our nonlinear terms.
引用
收藏
页数:11
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