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

来源：

JOURNAL OF FUNCTION SPACES | 2018年 / 2018卷

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

页数：11

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