Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An additive property of almost periodic sets   We show that a set is almost periodic if and only if the associated
exponential sum is concentrated in the minor arcs. Hence binary additive
problems involving almost periodic sets can be solved using the circle method.

31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
5
The categories of this paper are: gr-qc
24
The categories of this paper are: dg-ga
30
The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
3
The categories of this paper are: physics
18
The categories of this paper are: econ
13
The categories of this paper are: quant-ph
12
The categories of this paper are: nucl-th
35
The categories of this paper are: mtrl-th
6
The categories of this paper are: astro-ph