Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ground State of Fermions in a 1D Trap with $\delta$ Function Interaction   The ground state of Fermions in a 1D trap with $\delta$ function interaction
is studied mathematically with group theory ideas.

11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph
16
The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
26
The categories of this paper are: bayes-an
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
2
The categories of this paper are: math