Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
840602 | Nonlinear Analysis: Theory, Methods & Applications | 2012 | 16 Pages |
Abstract
TT-periodic solutions of systems of difference equations of the form Δϕ[Δu(n−1)]=∇uF[n,u(n)]+h(n)(n∈Z) where ϕ=∇Φϕ=∇Φ, ΦΦ strictly convex, is a homeomorphism of RNRN onto the ball Ba⊂RNBa⊂RN, or of BaBa onto RNRN, are considered under various conditions upon FF and hh. The approach is variational.
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Authors
Jean Mawhin,