Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: No repulsive force in General Relativity   We show that a recent assertion [arXiv:1608.01541] that gravitational wave
emission can lead to a repulsive force explaining the accelerated expansion of
the Universe is totally unfounded.

12
The categories of this paper are: nucl-th
36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
3
The categories of this paper are: physics