Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On Stein fillings of the 3-torus T^3   We determine topological properties of Stein domains with boundary
diffeomorphic to T^3, S^1\times S^2 and some Seifert fibered 3-manifolds.

12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
16
The categories of this paper are: stat
7
The categories of this paper are: hep-th
23
The categories of this paper are: solv-int
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
28
The categories of this paper are: alg-geom
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph