Periodic boundary value problems for first-order impulsive difference equations with time delay

Abstract This paper focuses on a certain type of periodic boundary value problems for first-order impulsive difference equations with time delay. Notions of lower and upper solutions are introduced, with which two new comparison theorems are established. Using Schaefer’s fixed point theorem, suffici...

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Main Authors: Jingfeng Tian, Wenli Wang, Wing-Sum Cheung
Format: Article
Language:English
Published: SpringerOpen 2018-03-01
Series:Advances in Difference Equations
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13662-018-1539-5
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author Jingfeng Tian
Wenli Wang
Wing-Sum Cheung
author_facet Jingfeng Tian
Wenli Wang
Wing-Sum Cheung
author_sort Jingfeng Tian
collection DOAJ
description Abstract This paper focuses on a certain type of periodic boundary value problems for first-order impulsive difference equations with time delay. Notions of lower and upper solutions are introduced, with which two new comparison theorems are established. Using Schaefer’s fixed point theorem, sufficient conditions for the existence and uniqueness of solutions to the corresponding linear problem of the boundary value problem are derived. By utilizing monotone iterative methods combined with the methods of lower and upper solutions, an existence theorem of extremal solutions to first-order impulsive difference equations with delay is obtained. These results extend some existing results in the literature. An interesting example is also given to verify the results obtained.
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spelling doaj.art-44b36bdcf33443f193e93510ff509cbc2022-12-21T19:06:21ZengSpringerOpenAdvances in Difference Equations1687-18472018-03-012018111410.1186/s13662-018-1539-5Periodic boundary value problems for first-order impulsive difference equations with time delayJingfeng Tian0Wenli Wang1Wing-Sum Cheung2College of Science and Technology, North China Electric Power UniversityDepartment of Information Engineering, China University of Geosciences Great Wall CollegeDepartment of Mathematics, University of Hong KongAbstract This paper focuses on a certain type of periodic boundary value problems for first-order impulsive difference equations with time delay. Notions of lower and upper solutions are introduced, with which two new comparison theorems are established. Using Schaefer’s fixed point theorem, sufficient conditions for the existence and uniqueness of solutions to the corresponding linear problem of the boundary value problem are derived. By utilizing monotone iterative methods combined with the methods of lower and upper solutions, an existence theorem of extremal solutions to first-order impulsive difference equations with delay is obtained. These results extend some existing results in the literature. An interesting example is also given to verify the results obtained.http://link.springer.com/article/10.1186/s13662-018-1539-5Impulsive difference equationsTime delayComparison principlePeriodic boundary value problemExtremal solutions
spellingShingle Jingfeng Tian
Wenli Wang
Wing-Sum Cheung
Periodic boundary value problems for first-order impulsive difference equations with time delay
Advances in Difference Equations
Impulsive difference equations
Time delay
Comparison principle
Periodic boundary value problem
Extremal solutions
title Periodic boundary value problems for first-order impulsive difference equations with time delay
title_full Periodic boundary value problems for first-order impulsive difference equations with time delay
title_fullStr Periodic boundary value problems for first-order impulsive difference equations with time delay
title_full_unstemmed Periodic boundary value problems for first-order impulsive difference equations with time delay
title_short Periodic boundary value problems for first-order impulsive difference equations with time delay
title_sort periodic boundary value problems for first order impulsive difference equations with time delay
topic Impulsive difference equations
Time delay
Comparison principle
Periodic boundary value problem
Extremal solutions
url http://link.springer.com/article/10.1186/s13662-018-1539-5
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AT wingsumcheung periodicboundaryvalueproblemsforfirstorderimpulsivedifferenceequationswithtimedelay