Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Categories. Beginning Course (in Russian)   This is a short textbook on Category Theory for Russian speaking students. It
consists of three chapters: Categories and Functors, Representable Functors
(including Adjoint Functors and (Co)limits) and Tensor Categories.

14
The categories of this paper are: math-ph
29
The categories of this paper are: funct-an
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
25
The categories of this paper are: patt-sol
9
The categories of this paper are: nlin
0
The categories of this paper are: hep-ph
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
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
27
The categories of this paper are: comp-gas
5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn