Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ground state solution for a Kirchhoff problem with exponential critical
  growth   We establish the existence of a positive ground state solution for a
Kirchhoff problem in $\mathbb{R}^2$ involving critical exponential growth, that
is, the nonlinearity behaves like $\exp(\alpha_{0}s^{2})$ as $|s| \to \infty$,
for some $\alpha_{0}>0$. In order to obtain our existence result we used
minimax techniques combined with the Trudinger-Moser inequality.

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The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
7
The categories of this paper are: hep-th
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
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The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
15
The categories of this paper are: nucl-ex
32
The categories of this paper are: atom-ph
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The categories of this paper are: eess
6
The categories of this paper are: astro-ph
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics