Causal difference equations with upper and lower solutions in the reverse order

Causal difference equations with upper and lower solutions in the reverse order

Abstract This paper is devoted to studying the existence conditions for difference equations involving causal operators in the presence of upper and lower solutions in the reverse order. To this end, we prove some new comparison theorems and develop the upper and lower solutions method. Our results...

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Bibliographic Details
Main Authors: Wen-Li Wang, Jing-Feng Tian
Format: Article
Language:English
Published: SpringerOpen 2019-04-01
Series:Advances in Difference Equations
Subjects:
Upper and lower solutions method
Causal operators
Extremal solutions
Coupled extremal quasi-solutions
Online Access:http://link.springer.com/article/10.1186/s13662-019-2078-4

Internet

http://link.springer.com/article/10.1186/s13662-019-2078-4

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