Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Planck Oscillators and Elementary Particles   In this paper we argue that it is possible to model the Universe along
thermodynamic lines, using oscillators in the background Dark Energy at the
Planck scale. This leads to meaningful results in agreement with observation.

4
The categories of this paper are: cond-mat
22
The categories of this paper are: chao-dyn
7
The categories of this paper are: hep-th
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
24
The categories of this paper are: dg-ga
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
19
The categories of this paper are: eess
30
The categories of this paper are: q-alg
9
The categories of this paper are: nlin
26
The categories of this paper are: bayes-an
25
The categories of this paper are: patt-sol
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph