Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Non-uniformly hyperbolic horseshoes in the standard family   We show that the non-uniformly hyperbolic horseshoes of Palis and Yoccoz
occur in the standard family of area-preserving diffeomorphisms of the
two-torus for a set of (large) parameters of positive Lebesgue measure.

7
The categories of this paper are: hep-th
11
The categories of this paper are: hep-lat
32
The categories of this paper are: atom-ph
5
The categories of this paper are: gr-qc
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
1
The categories of this paper are: cs
33
The categories of this paper are: plasm-ph
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph
19
The categories of this paper are: eess