Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Subgroups of direct products of limit groups   If $G_1,...,G_n$ are limit groups and $S\subset G_1\times...\times G_n$ is of
type $\FP_n(\mathbb Q)$ then $S$ contains a subgroup of finite index that is
itself a direct product of at most $n$ limit groups. This settles a question of
Sela.

8
The categories of this paper are: hep-ex
27
The categories of this paper are: comp-gas
25
The categories of this paper are: patt-sol
23
The categories of this paper are: solv-int
32
The categories of this paper are: atom-ph
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom