Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The relativity of Colour   By attaching three anticommuting Lorentz scalar (colour) property coordinates
to space-time, with an appropriate extended metric, we unify gravity with
chromodynamics: gauge transformations then just correspond to coordinate
transformations in the enlarged spacetime-property space.

30
The categories of this paper are: q-alg
2
The categories of this paper are: math
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom
6
The categories of this paper are: astro-ph
22
The categories of this paper are: chao-dyn
36
The categories of this paper are: cmp-lg
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
19
The categories of this paper are: eess