Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
844199 | Nonlinear Analysis: Theory, Methods & Applications | 2008 | 7 Pages |
Abstract
By means of variational structure and Z2Z2-group index theory, we obtain infinite periodic solutions to a class second-order Sturm–Liouville neutral delay equations (p(t)x′(t−sτ))′−q(t)x(t−sτ)+f(t,x(t),x(t−τ),x(t−2τ),…,x(t−2sτ))=0.(p(t)x′(t−sτ))′−q(t)x(t−sτ)+f(t,x(t),x(t−τ),x(t−2τ),…,x(t−2sτ))=0.
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Authors
Xiao-Bao Shu, Yuan-Tong Xu, Lihong Huang,