Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Reidemeister torsion and Integrable Hamiltonian systems   In this paper we compute the Reidemeister torsion of a isoenergetic surface
for the integrable Hamiltonian system on the four-dimensional symplectic
manifold. We use the spectral sequence defined by the filtration and following
Witten-Floer ideas we bring into play the orbits connecting the critical
submanifolds.

25
The categories of this paper are: patt-sol
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The categories of this paper are: astro-ph
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
36
The categories of this paper are: cmp-lg
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The categories of this paper are: funct-an
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-alg
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The categories of this paper are: hep-lat
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The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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The categories of this paper are: plasm-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: quant-ph
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph