Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Cohomogeneity one manifolds with singly generated rational cohomology   We classify simply connected, closed cohomogeneity one manifolds with singly
generated or 4-periodic rational cohomology and positive Euler characteristic.

33
The categories of this paper are: plasm-ph
6
The categories of this paper are: astro-ph
36
The categories of this paper are: cmp-lg
4
The categories of this paper are: cond-mat
28
The categories of this paper are: alg-geom
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
0
The categories of this paper are: hep-ph
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ
21
The categories of this paper are: adap-org
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
32
The categories of this paper are: atom-ph
19
The categories of this paper are: eess
10
The categories of this paper are: q-bio