Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Advanced method of solving recurrence relations for multi-loop Feynman
  integrals   The systematic approach to solving the recurrence relations for multi-loop
integrals is described. In particular, the criteria of their reducibility is
suggested.

2
The categories of this paper are: math
36
The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
20
The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph
13
The categories of this paper are: quant-ph