Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Axially Symmetric Post-Newtonian Stellar Systems   We introduce a method to obtain self-consistent, axially symmetric, thin
disklike stellar models in the first post-Newtonian (1PN) approximation. The
models obtained are fully analytical and corresponds to the post-Newtonian
generalizations of classical ones. By introducing in the field equations
provided by the 1PN approximation a known distribution function (DF)
corresponding to a Newtonian model, two fundamental equations determining the
1PN corrections are obtained, which are solved using the Hunter method. The
rotation curves of the 1PN-corrected models differs from the classical ones
and, for the generalized Kalnajs discs, the 1PN corrections are clearly
appreciable with values of the mass and radius of a typical galaxy. On the
other hand, the relativistic mass correction can be ignored for all models.

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The categories of this paper are: hep-th
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The categories of this paper are: nucl-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
12
The categories of this paper are: nucl-th
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The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
33
The categories of this paper are: plasm-ph
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The categories of this paper are: q-alg
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The categories of this paper are: stat
28
The categories of this paper are: alg-geom
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The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
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The categories of this paper are: q-bio