Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Star formation in normal and barred cluster spirals   An objective prism H alpha survey has shown that there is a population of
early type spiral galaxies in nearby clusters with strong central bursts of
star formation which could be due to galaxy--galaxy tidal interactions. Such
galaxies are rarely found in the field.

31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
8
The categories of this paper are: hep-ex
5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
37
The categories of this paper are: supr-con
2
The categories of this paper are: math
7
The categories of this paper are: hep-th
15
The categories of this paper are: nucl-ex
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg