Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ward identities for anisotropic Cooper pairs   Ward identities for anisotropic Cooper pairs are derived. These for nonlocal
pairs have the same form as those for local pairs by employing the pair
propagator with the form factor.

3
The categories of this paper are: physics
0
The categories of this paper are: hep-ph
19
The categories of this paper are: eess
17
The categories of this paper are: q-fin
32
The categories of this paper are: atom-ph
12
The categories of this paper are: nucl-th
36
The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
29
The categories of this paper are: funct-an
7
The categories of this paper are: hep-th
1
The categories of this paper are: cs
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph