Existence of multi-peak solutions for a class of quasilinear problems in Orlicz-Sobolev spaces

The aim of this work is to establish the existence of multi-peak solutions for the following class of quasilinear problems $$-div({ϵ}^2\varphi (ϵ\mathrm{\mid }\mathrm{\nabla }u\mathrm{\mid })\mathrm{\nabla }u)+V(x)\varphi (\mathrm{\mid }u\mathrm{\mid })u=f(u)in{\mathbb{R}}^N,$$ where $ϵ$ is a positive parameter, $N\ge 2$, $V,f$ are continuous functions satisfying some technical conditions and $\varphi$ is a $C^1$-function.