Periodic Solutions with Minimal Period for Fourth-Order Nonlinear Difference Equations
oleh: Xia Liu, Tao Zhou, Haiping Shi, Yuhua Long, Zongliang Wen
| Format: | Article |
|---|---|
| Diterbitkan: | Hindawi Limited 2018-01-01 |
Deskripsi
A fourth-order nonlinear difference equation is considered. By making use of critical point theory, some new criteria are obtained for the existence of periodic solutions with minimal period. The main methods used are a variational technique and the Linking Theorem.