Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Superfluid neutron stars   Neutron stars are believed to contain (neutron and proton) superfluids. I
will give a summary of a macroscopic description of the interior of neutron
stars, in a formulation which is general relativistic. I will also present
recent results on the oscillations of neutron stars, with superfluidity
explicitly taken into account, which leads in particular to the existence of a
new class of modes.

34
The categories of this paper are: chem-ph
9
The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
7
The categories of this paper are: hep-th
6
The categories of this paper are: astro-ph
10
The categories of this paper are: q-bio
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
35
The categories of this paper are: mtrl-th
37
The categories of this paper are: supr-con
13
The categories of this paper are: quant-ph
26
The categories of this paper are: bayes-an
23
The categories of this paper are: solv-int