Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Notes on the commutator group of the group of interval exchange
  transformations   We study the group of interval exchange transformations and obtain several
characterizations of its commutator group. In particular, it turns out that the
commutator group is generated by elements of order 2.

23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
18
The categories of this paper are: econ
6
The categories of this paper are: astro-ph
25
The categories of this paper are: patt-sol
20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics
1
The categories of this paper are: cs
29
The categories of this paper are: funct-an
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
0
The categories of this paper are: hep-ph
5
The categories of this paper are: gr-qc
8
The categories of this paper are: hep-ex
12
The categories of this paper are: nucl-th
34
The categories of this paper are: chem-ph