Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some Properties of Subsets of Hyperbolic Groups   We present some results about quasiconvex subgroups of infinite index and
their products. After that we extend the standard notion of a subgroup
commensurator to an arbitrary subset of a group, and generalize some of the
previously known results.

8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess
3
The categories of this paper are: physics
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
10
The categories of this paper are: q-bio
22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th
21
The categories of this paper are: adap-org
33
The categories of this paper are: plasm-ph
25
The categories of this paper are: patt-sol
28
The categories of this paper are: alg-geom