We consider a Neumann problem driven by the (p,q)-Laplacian under the Landesman-Lazer type condition. Using the classical saddle point theorem and other classical results of the calculus of variations, we show that the problem has at least one nontrivial weak solution.
Nikolaos S. PAPAGEORGIOU
,
Calogero VETRO
,
Francesca VETRO
. LANDESMAN-LAZER TYPE (p, q)-EQUATIONS WITH NEUMANN CONDITION[J]. Acta mathematica scientia, Series B, 2020
, 40(4)
: 991
-1000
.
DOI: 10.1007/s10473-020-0408-y
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