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4. Existence of periodic solutions for a class of (ϕ1,ϕ2)-Laplacian difference system with asymptotically (p,q)-linear conditions.

Author

Deng, Hai-yun, Lin, Xiao-yan, and He, Yu-bo

Subjects
LAPLACIAN operator, MOUNTAIN pass theorem
Abstract

In this paper, we consider a (ϕ 1 , ϕ 2) -Laplacian system as follows: { Δ ϕ 1 (Δ u (t − 1)) + ∇ u F (t , u (t) , v (t)) = 0 , Δ ϕ 2 (Δ v (t − 1)) + ∇ v F (t , u (t) , v (t)) = 0 , where F (t , u (t) , v (t)) = − K (t , u (t) , v (t)) + W (t , u (t) , v (t)) is T-periodic in t. By using the mountain pass theorem, we obtain that the (ϕ 1 , ϕ 2) -Laplacian system has at least one periodic solution if W is asymptotically (p , q) -linear at infinity. Our results improve and extend some known works. [ABSTRACT FROM AUTHOR]

Published
2024
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