Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Partial hyperbolicity on 3-dimensional nilmanifolds   Every partially hyperbolic diffeomorphism on a 3-dimensional nilmanifold is
leaf conjugate to a nilmanifold automorphism.

29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
9
The categories of this paper are: nlin
7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
10
The categories of this paper are: q-bio
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
32
The categories of this paper are: atom-ph