Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unitary representability of free abelian topological groups   For every Tikhonov space $X$ the free abelian topological group $A(X)$ and
the free locally convex vector space $L(X)$ admit a topologically faithful
unitary representation. For compact spaces $X$ this is due to Jorge Galindo.

8
The categories of this paper are: hep-ex
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The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
33
The categories of this paper are: plasm-ph
24
The categories of this paper are: dg-ga
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The categories of this paper are: eess
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The categories of this paper are: astro-ph
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th
36
The categories of this paper are: cmp-lg
21
The categories of this paper are: adap-org