Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Matrix method for the multi salesmen problem (TSP) with several vehicles   In this paper discussed procedure of separation of the original problem with
several vehicles to a number of simpler problems with one vehicle which based
on the matrix approach.

19
The categories of this paper are: eess
6
The categories of this paper are: astro-ph
23
The categories of this paper are: solv-int
2
The categories of this paper are: math
27
The categories of this paper are: comp-gas
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
17
The categories of this paper are: q-fin
28
The categories of this paper are: alg-geom
22
The categories of this paper are: chao-dyn
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
8
The categories of this paper are: hep-ex