Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The chromatic class and the chromatic number of the planar conjugated
  triangulation   This material is dedicated to the estimation of the chromatic number and
chromatic class of the conjugated triangulation (first conversion) and also of
the second conversion of the planar triangulation. Also this paper introduces
some new hypotheses, which are equivalent to Four Color Problem.

18
The categories of this paper are: econ
26
The categories of this paper are: bayes-an
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph
19
The categories of this paper are: eess
33
The categories of this paper are: plasm-ph
0
The categories of this paper are: hep-ph
14
The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
27
The categories of this paper are: comp-gas