Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Pairwise Comparisons Simplified   This study examines the notion of generators of a pairwise comparisons
matrix. Such approach decreases the number of pairwise comparisons from $n\cdot
(n-1)$ to $n-1$. An algorithm of reconstructing of the PC matrix from its set
of generators is presented.

8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
13
The categories of this paper are: quant-ph
29
The categories of this paper are: funct-an
35
The categories of this paper are: mtrl-th
19
The categories of this paper are: eess
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
27
The categories of this paper are: comp-gas
36
The categories of this paper are: cmp-lg
6
The categories of this paper are: astro-ph
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol