Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Warped products and the Reissner-Nordstr\"{o}m-AdS black hole   We study a multiply warped product manifold associated with the
Reissner-Nordstrom-AdS metric to investigate the physical properties inside the
black hole event horizons. Our results include various limiting geometries of
the RN, Schwarzschild--AdS and Schwarzschild space-times, through the
successive truncation procedure of parameters in the original curved space.

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The categories of this paper are: cs
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The categories of this paper are: q-fin
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The categories of this paper are: quant-ph
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The categories of this paper are: eess
36
The categories of this paper are: cmp-lg
7
The categories of this paper are: hep-th
32
The categories of this paper are: atom-ph
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
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The categories of this paper are: comp-gas
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The categories of this paper are: gr-qc
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The categories of this paper are: nucl-ex
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The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol