Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Poincare'-Lyapounov-Nekhoroshev theorem for involutory systems of
  vector fields   We extend the Poincare'-Lyapounov-Nekhoroshev theorem from torus actions and
invariant tori to general (non-abelian) involutory systems of vector fields and
general invariant manifolds.

37
The categories of this paper are: supr-con
4
The categories of this paper are: cond-mat
12
The categories of this paper are: nucl-th
5
The categories of this paper are: gr-qc
26
The categories of this paper are: bayes-an
24
The categories of this paper are: dg-ga
36
The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
19
The categories of this paper are: eess
15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
22
The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
16
The categories of this paper are: stat