Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Colliding Plane Wave and Energy-Momentum Problems in General
  Relativity and Teleparallel Gravity   This paper has been removed by arXiv administrators because it plagiarizes
gr-qc/0603075, 0706.3245, gr-qc/0403097, gr-qc/0404108, gr-qc/0303034,
hep-th/0206052, and others.
  This paper has excessive overlap with the following papers also written by
the authors or their collaborators: 0704.0525 and others.

16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
23
The categories of this paper are: solv-int
36
The categories of this paper are: cmp-lg
8
The categories of this paper are: hep-ex
3
The categories of this paper are: physics
10
The categories of this paper are: q-bio
33
The categories of this paper are: plasm-ph
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
7
The categories of this paper are: hep-th
17
The categories of this paper are: q-fin
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
32
The categories of this paper are: atom-ph