Kuang, Juhong On ground states of discrete \(p(k)\)-Laplacian systems in generalized Orlicz sequence spaces. (English) Zbl 1473.46081 Abstr. Appl. Anal. 2014, Article ID 808102, 8 p. (2014). Summary: Using the critical point theory, we establish sufficient conditions on the existence of ground states for discrete \(p(k)\)-Laplacian systems. Our results considerably generalize some existing ones. 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