Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: On gravitational lensing by quadrupole potentials
0
The categories of this paper are: hep-ph
27
The categories of this paper are: comp-gas
25
The categories of this paper are: patt-sol
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
23
The categories of this paper are: solv-int
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
2
The categories of this paper are: math
18
The categories of this paper are: econ
4
The categories of this paper are: cond-mat