Acta mathematica scientia,Series A ›› 2020, Vol. 40 ›› Issue (1): 132-145.

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

Jiafa Xu()   

  1. School of Mathematical Sciences, Chongqing Normal University, Chongqing 401331
  • Received:2018-04-02 Online:2020-02-26 Published:2020-04-08
  • Supported by:
    国家自然科学基金(11601048);重庆市教委项目(KJQN201900539);重庆师范大学青年拔尖人才资助项目(02030307/0040)

Abstract:

In this paper, we use the fixed point index to investigate the existence of positive solutions for a system of boundary value problems of fractional difference equations involving semipositone nonlinearities.

Key words: Fractional difference equations, Boundary value problems, Fixed point index, Positive solutions

CLC Number: 

  • O175.7
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