Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Cluster solutions for the Schrodinger-Poisson-Slater problem around a
  local minimum of the potential   In this paper we consider the system in $\R^3$ \label{problemadipartenza0}
-\e^2\Delta u+V(x)u+\phi(x)u=u^{p},

6
The categories of this paper are: astro-ph
16
The categories of this paper are: stat
14
The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
35
The categories of this paper are: mtrl-th
37
The categories of this paper are: supr-con
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
23
The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex
22
The categories of this paper are: chao-dyn
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg
25
The categories of this paper are: patt-sol
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex