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In this paper, we establish the existence and multiplicity of multi-bumpnodal solutions for the following class of problems $$ -\Delta u+(\lambdaV(x)+1)u=f(u),~~\mbox{in}~~\mathbb{R}^2, $$ where $\lambda\in(0,\infty)$, $f$is a continuous function with exponential critical growth and$V:\mathbb{R}^2\to \mathbb{R}$ is a continuous function verifying somehypotheses.

Multiplicity of multi-bump type nodal solutions for a class of elliptic problems with exponential critical growth in $\mathbb{R}^2$