{"title":"Nonnegative periodic solutions for a totally nonlinear iterative differential equation with variable delay","authors":"Abderrahim Guerfi, Abdelouaheb Ardjouni","doi":"10.1007/s11565-023-00480-7","DOIUrl":null,"url":null,"abstract":"<div><p>In this paper, we show with the help of the Krasnoselskii-Burton fixed point theorem that, under suitable conditions, a totally nonlinear iterative differential equation with variable delay has nonnegative periodic solutions. Also, we show the applicability of our results by including an example.</p></div>","PeriodicalId":35009,"journal":{"name":"Annali dell''Universita di Ferrara","volume":"70 2","pages":"431 - 445"},"PeriodicalIF":0.0000,"publicationDate":"2023-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11565-023-00480-7.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annali dell''Universita di Ferrara","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1007/s11565-023-00480-7","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Mathematics","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, we show with the help of the Krasnoselskii-Burton fixed point theorem that, under suitable conditions, a totally nonlinear iterative differential equation with variable delay has nonnegative periodic solutions. Also, we show the applicability of our results by including an example.
期刊介绍：
Annali dell''Università di Ferrara is a general mathematical journal publishing high quality papers in all aspects of pure and applied mathematics. After a quick preliminary examination, potentially acceptable contributions will be judged by appropriate international referees. Original research papers are preferred, but well-written surveys on important subjects are also welcome.
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