Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Zero-sum-free sequences with few subsequence sums   We show that a zero-sum-free sequence of length $n$ over an abelian group
spans at least $2n$ distinct subsequence sums, unless it possesses a rigid,
easily-described structure.

33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
1
The categories of this paper are: cs
29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
21
The categories of this paper are: adap-org
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
34
The categories of this paper are: chem-ph
17
The categories of this paper are: q-fin
14
The categories of this paper are: math-ph
0
The categories of this paper are: hep-ph
6
The categories of this paper are: astro-ph
24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex
27
The categories of this paper are: comp-gas