Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A 7/9 - Approximation Algorithm for the Maximum Traveling Salesman
  Problem   We give a 7/9 - Approximation Algorithm for the Maximum Traveling Salesman
Problem.

10
The categories of this paper are: q-bio
19
The categories of this paper are: eess
36
The categories of this paper are: cmp-lg
21
The categories of this paper are: adap-org
23
The categories of this paper are: solv-int
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
0
The categories of this paper are: hep-ph
2
The categories of this paper are: math
32
The categories of this paper are: atom-ph
3
The categories of this paper are: physics
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con