Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Tilted Bianchi Type I Cosmological Models Filled with Disordered
  Radiation in General Relativity Revisited   Tilted Bianchi type I cosmological models filled with disordered radiation in
presence of a bulk viscous fluid and heat flow are investigated. The
coefficient of bulk viscosity is assumed to be a power function of mass
density. Some physical and geometric properties of the models are also
discussed.

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The categories of this paper are: hep-ph
21
The categories of this paper are: adap-org
36
The categories of this paper are: cmp-lg
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
22
The categories of this paper are: chao-dyn
2
The categories of this paper are: math
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
37
The categories of this paper are: supr-con
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
4
The categories of this paper are: cond-mat