Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Perturbative, Post-Newtonian, and General Relativistic Dynamics of Black
  Hole Binaries   The orbital motion of inspiralling and coalescing black hole binaries can be
investigated using a variety of approximation schemes and numerical methods
within general relativity: post-Newtonian expansions, black hole perturbation
theory, numerical relativity, and the effective-one-body formalism. We review
two recent comparisons of the predictions from these various techniques. Both
comparisons rely on the calculation of a coordinate invariant relation, in the
case of non-spinning binary black holes on quasi-circular orbits. All methods
are shown to agree very well in their common domain of validity.

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The categories of this paper are: chem-ph
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The categories of this paper are: stat
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The categories of this paper are: cond-mat
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ex
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The categories of this paper are: nucl-th
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The categories of this paper are: cs
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The categories of this paper are: astro-ph
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The categories of this paper are: hep-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: atom-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: eess
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The categories of this paper are: comp-gas
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The categories of this paper are: q-alg