Difference equations arise in many fields of mathematics, both as discrete analogs of continuous behavior (analysis, numerical approximations) and as independent models for discrete behavior (population dynamics, economics, biology, ecology, etc.). In recent years, many models - especially in mathematical biology - are based on higher order nonlinear difference equations. As a result, there has been much focus on the existence of periodic solutions of certain classes of these equations and the asymptotic behavior of these periodic solutions. In this dissertation, we study the existence and global attractivity of both periodic and quasiperiodic solutions of two different higher order nonlinear difference equations. Both equations arise in biological applications.
|Commitee:||Dang, Dinh H, Razzaghi, Mohsen, Yarahmadian, Shantia, Smith, Robert C|
|School:||Mississippi State University|
|Department:||Mathematics and Statistics|
|School Location:||United States -- Mississippi|
|Source:||DAI-B 81/11(E), Dissertation Abstracts International|
|Keywords:||Difference equation, Forcing term, Global attractivity, Periodic, Quasiperiodic|
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