Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Curvature of Graph Products   We show that the curvature K_(G*H)(x,y) at a point (x,y) in the strong
product G*H of two arbitrary finite simple graphs is equal to the product
K_G(x) K_H(y) of the curvatures.

23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
15
The categories of this paper are: nucl-ex
21
The categories of this paper are: adap-org
4
The categories of this paper are: cond-mat
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
8
The categories of this paper are: hep-ex
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
24
The categories of this paper are: dg-ga
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph