In this article, we study a higher-order nonlinear difference equation. By using critical point theory, we establish sufficient conditions for the existence of periodic solutions.
Submitted April 23, 2016. Published June 7, 2016.
Math Subject Classifications: 39A23, 47J22.
Key Words: Existence; periodic solutions; higher order; difference equation; critical point theory.
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| Jianhua Leng |
School of Mathematical and Computer Science
Yichun 336000, China
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