Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Structure of chambers cut out by Veronese arrangements of hyperplanes in
  the real projective spaces   We study arrangements of $m$ hyperplanes in the $n$-dimensional real
projective space, with a special focus on $m=n+3$ and $n=3$ or $n=4$.

4
The categories of this paper are: cond-mat
18
The categories of this paper are: econ
29
The categories of this paper are: funct-an
0
The categories of this paper are: hep-ph
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
16
The categories of this paper are: stat
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys