Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: 3-manifold invariants and periodicity of homology spheres   We show how the periodicity of a homology sphere is reflected in the
Reshetikhin-Turaev-Witten invariants of the manifold. These yield a criterion
for the periodicity of a homology sphere.

14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
13
The categories of this paper are: quant-ph
34
The categories of this paper are: chem-ph
0
The categories of this paper are: hep-ph
30
The categories of this paper are: q-alg
26
The categories of this paper are: bayes-an
37
The categories of this paper are: supr-con
36
The categories of this paper are: cmp-lg
24
The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas
5
The categories of this paper are: gr-qc
4
The categories of this paper are: cond-mat
6
The categories of this paper are: astro-ph
15
The categories of this paper are: nucl-ex
11
The categories of this paper are: hep-lat