Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Cosmological tensor perturbations in the Randall-Sundrum model:
  evolution in the near-brane limit   We discuss the evolution of cosmological tensor perturbations in the RSII
model. In Gaussian normal coordinates the wave equation is non-separable, so we
use the near-brane limit to perform the separation and study the evolution of
perturbations. Massive excitations, which may also mix, decay outside the
horizon which could lead to some novel cosmological signatures.

32
The categories of this paper are: atom-ph
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
34
The categories of this paper are: chem-ph
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The categories of this paper are: plasm-ph
27
The categories of this paper are: comp-gas
1
The categories of this paper are: cs
21
The categories of this paper are: adap-org
19
The categories of this paper are: eess