Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Contact flows and integrable systems   We consider Hamiltonian systems restricted to the hypersurfaces of contact
type and obtain a partial version of the Arnold-Liouville theorem: the system
not need to be integrable on the whole phase space, while the invariant
hypersurface is foliated on an invariant Lagrangian tori. In the second part of
the paper we consider contact systems with constraints. As an example, the Reeb
flows on Brieskorn manifolds are considered.

8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
5
The categories of this paper are: gr-qc
26
The categories of this paper are: bayes-an
25
The categories of this paper are: patt-sol
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph
30
The categories of this paper are: q-alg
22
The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
35
The categories of this paper are: mtrl-th