Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some results on integer solutions of quadratic polynomials in two
  variables   We use ideas from our previous work to obtain some theorems that will allow
us to obtain the integer solution of a quadratic polynomial in two variables
that represents a natural number

8
The categories of this paper are: hep-ex
1
The categories of this paper are: cs
13
The categories of this paper are: quant-ph
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg
37
The categories of this paper are: supr-con
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
0
The categories of this paper are: hep-ph