Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Survey of Amenability Theory for Direct-Limit Groups   We survey results from amenability theory with an emphasis on applications to
harmonic analysis on direct-limit groups.

12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an
22
The categories of this paper are: chao-dyn
18
The categories of this paper are: econ
36
The categories of this paper are: cmp-lg
20
The categories of this paper are: acc-phys
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
8
The categories of this paper are: hep-ex
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
28
The categories of this paper are: alg-geom
17
The categories of this paper are: q-fin
1
The categories of this paper are: cs
3
The categories of this paper are: physics