Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Einsteinian Strengths and Dynamical Degrees of Freedom for Alternative
  Gravity Theories   In this paper we present the results of our calculations of the Einsteinian
strengths S_E(d) and numbers dynamical degrees of freedom N_{DF}(d) for
alternative gravity theories in d >= 4 dimensions. In the first part we
consider the numbers S_E(d) and N_{DF}(d) for metric-compatible and quadratic
in curvature (or quadratic in curvature and in torsion) gravity. We show that
in the entire set of the metric-compatible quadratic gravity in d >= 4
dimensions the 2-nd order Einstein-Gauss-Bonnet theory has the smallest numbers
S_E(d) and N_{DF}(d), i.e., this quadratic theory of gravity has the strongest
field equations. From the physical point of view this theory is the best one
quadratic and metric-compatible theory of gravity in d >= 4 dimensions.

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The categories of this paper are: bayes-an
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The categories of this paper are: atom-ph
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The categories of this paper are: solv-int
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-th
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The categories of this paper are: cond-mat
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The categories of this paper are: q-fin
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The categories of this paper are: adap-org
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The categories of this paper are: chao-dyn
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-lat
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The categories of this paper are: q-bio
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The categories of this paper are: nucl-ex
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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: chem-ph