Existence and uniqueness of periodic solutions for a kind of high-order p-Laplacian Duffing differential equation with sign-changing coefficient ahead of linear term

被引:11
作者
Li, Xiaojing [1 ]
机构
[1] Jiangsu Teachers Univ Technol, Coll Math & Phys, Changzhou 213001, Peoples R China
关键词
Periodic solution; High order; p-Laplacian equation; Coincidence degree;
D O I
10.1016/j.na.2009.01.153
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, by using the continuation theorem of coincidence degree theory, we study a kind of high-order p-Laplacian differential equation as follows: (phi(p)(y((m))(t)))((m)) + beta(t)y'(t) + g(t, y(t)) = e(t). Some new results on the existence and uniqueness of periodic solutions are obtained. The interesting thing is that the coefficient beta(t) is allowed to change sign, which could be achieved infrequently in previous papers. But, the methods to estimate a priori bounds of periodic solutions are different from the corresponding ones used in the past. (C) 2009 Published by Elsevier Ltd
引用
收藏
页码:2764 / 2770
页数:7
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