Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Strange nonchaotic stars   The unprecedented light curves of the Kepler space telescope document how the
brightness of some stars pulsates at primary and secondary frequencies whose
ratios are near the golden mean, the most irrational number. A nonlinear
dynamical system driven by an irrational ratio of frequencies generically
exhibits a strange but nonchaotic attractor. For Kepler's "golden" stars, we
present evidence of the first observation of strange nonchaotic dynamics in
nature outside the laboratory. This discovery could aid the classification and
detailed modeling of variable stars.

30
The categories of this paper are: q-alg
1
The categories of this paper are: cs
19
The categories of this paper are: eess
25
The categories of this paper are: patt-sol
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
2
The categories of this paper are: math
26
The categories of this paper are: bayes-an
0
The categories of this paper are: hep-ph
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
7
The categories of this paper are: hep-th
27
The categories of this paper are: comp-gas