Article ID Journal Published Year Pages File Type
842979 Nonlinear Analysis: Theory, Methods & Applications 2008 9 Pages PDF
Abstract

By means of Mawhin’s continuation theorem, a kind of fourth-order pp-Laplacian differential equation with a deviating argument as follows: [φp(u″(t))]″+f(u(t))u′(t)+g(t,u(t),u(t−τ(t)))=e(t)[φp(u″(t))]″+f(u(t))u′(t)+g(t,u(t),u(t−τ(t)))=e(t) is studied. Under various assumptions, the existence of periodic solutions is obtained.

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