Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fundamental physics from black holes, neutron stars and gamma-ray bursts   Gamma-ray bursts (GRBs) and supernovae (SNe) bring new perspectives to the
study of neutron stars and white dwarfs, as well as opening new branches of
theoretical physics and astrophysics.

20
The categories of this paper are: acc-phys
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci
30
The categories of this paper are: q-alg
24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
29
The categories of this paper are: funct-an
7
The categories of this paper are: hep-th