Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Interval edge-colorings of graph products   An interval t-coloring of a graph G is a proper edge-coloring of G with
colors 1,2,...,t such that at least one edge of G is colored by i, i=1,2,...,t,
and the edges incident to each vertex v\in V(G) are colored by d_{G}(v)
consecutive colors, where d_{G}(v) is the degree of the vertex v in G. In this
paper interval edge-colorings of various graph products are investigated.

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The categories of this paper are: hep-ph
33
The categories of this paper are: plasm-ph
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
8
The categories of this paper are: hep-ex
4
The categories of this paper are: cond-mat
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
5
The categories of this paper are: gr-qc