Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: When SN explode in a Starburst: Transitions among AGN types   Among the Active Galactic Nuclei (AGN) that have suffered type mutations, the
classically classified Seyfert 2 NGC 7582 recently found at a Seyfert 1 stage,
is perhaps one of the most puzzling cases, since it defies a well supported
case for unification. We investigate the possibility that this type transition,
common to other 12 AGN, is driven by supernovae (SN) exploding in a
nuclear/circumnuclear starburst.

20
The categories of this paper are: acc-phys
14
The categories of this paper are: math-ph
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
25
The categories of this paper are: patt-sol
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
7
The categories of this paper are: hep-th
16
The categories of this paper are: stat
4
The categories of this paper are: cond-mat
17
The categories of this paper are: q-fin
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga