Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Reply to Comment hep-th/9509028   This is a reply to the above comment (hep-th/9509028). We argue that QED
displays a class of symmetries which may be used to select out the various
velocity dependent superselection sectors.

16
The categories of this paper are: stat
20
The categories of this paper are: acc-phys
18
The categories of this paper are: econ
5
The categories of this paper are: gr-qc
28
The categories of this paper are: alg-geom
1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
0
The categories of this paper are: hep-ph
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg
14
The categories of this paper are: math-ph
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph
35
The categories of this paper are: mtrl-th