Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Gauge Defect Networks in Two-Dimensional CFT   An interpretation of the gauge anomaly of the two-dimensional multi-phase
sigma model is presented in terms of an obstruction to the existence of a
topological defect network implementing a local trivialisation of the gauged
sigma model.

8
The categories of this paper are: hep-ex
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
32
The categories of this paper are: atom-ph
10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn
0
The categories of this paper are: hep-ph
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con
19
The categories of this paper are: eess
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics