LANDESMAN-LAZER TYPE (p, q)-EQUATIONS WITH NEUMANN CONDITION?

• 作 者: Nikolaos S.PAPAGEORGIOU Calogero VETRO Francesca VETRO
• 机 构: Department of Mathematics, National Technical University, Zografou campus, Athens 15780, Greece“,”De
• 出 处: 数学物理学报（英文版）
• 发表日期: 2020年4期
• 关键词: Neumann problem (p q)-Laplacian critical point saddle point theorem Landesman-La

We consider a Neumann problem driven by the (p, q)-Laplacian under theLandesman-Lazer type condition. Using the classical saddle point theorem and other classi-cal results of the calculus of variations, we show that the problem has at least one nontrivial weak solution.