Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Scalar gravity: Post-Newtonian corrections via an effective field theory
  approach   The problem of motion in General Relativity has lost its academic status and
become an active research area since the next generation of gravity wave
detectors will rely upon its solution. Here we will show, within scalar
gravity, how ideas borrowed from Quantum Field Theory can be used to solve the
problem of motion in a systematic fashion. We will concentrate in
Post-Newtonian corrections. We will calculate the Einstein-Infeld-Hoffmann
action and show how a systematic perturbative expansion puts strong constraints
on the couplings of non-derivative interactions in the theory.

32
The categories of this paper are: atom-ph
30
The categories of this paper are: q-alg
2
The categories of this paper are: math
3
The categories of this paper are: physics
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
27
The categories of this paper are: comp-gas
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
19
The categories of this paper are: eess
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ