Asymptotic Behavior For A Linear Volterra System And Periodic Solutions For A Functional Difference System

In this paper, we investigate the asymptotic behavior of solutions to a linear Volterra integro-differential system and the existence of multiple positive periodic solutions for a class of functional difference system.In the first chapter, our research background and preliminaries are introduced in detail.In the second chapter, we mainly studied the asymptotic behavior of solutions to a linear Volterra integro-differential system Two examples are given to illustrate our theorem.In the third chapter, we obtain several existence results about multiple positive periodic solutions for a class of functional difference system Two examples are given to illustrate our results.