Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: 2d CDT with gauge fields   Two-dimensional Causal Dynamical Triangulations provides a definition of the
path integral for projectable two-dimensional Horava-Lifshitz quantum gravity.
We solve the theory coupled to gauge fields.

6
The categories of this paper are: astro-ph
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
16
The categories of this paper are: stat
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
21
The categories of this paper are: adap-org
13
The categories of this paper are: quant-ph
10
The categories of this paper are: q-bio
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
34
The categories of this paper are: chem-ph
0
The categories of this paper are: hep-ph
14
The categories of this paper are: math-ph