Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Running coupling and fermion mass in strong coupling QED
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
21
The categories of this paper are: adap-org
26
The categories of this paper are: bayes-an
9
The categories of this paper are: nlin
31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
2
The categories of this paper are: math
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio