Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Singularity Theorems in General Relativity: Achievements and Open
  Questions   In this short note, a brief overview with a critical appraisal of the
acclaimed singularity theorems, the most genuine post-Einsteinian result of
General Relativity, is presented.

34
The categories of this paper are: chem-ph
4
The categories of this paper are: cond-mat
17
The categories of this paper are: q-fin
20
The categories of this paper are: acc-phys
7
The categories of this paper are: hep-th
11
The categories of this paper are: hep-lat
28
The categories of this paper are: alg-geom
32
The categories of this paper are: atom-ph
15
The categories of this paper are: nucl-ex
33
The categories of this paper are: plasm-ph
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
21
The categories of this paper are: adap-org
8
The categories of this paper are: hep-ex
10
The categories of this paper are: q-bio
1
The categories of this paper are: cs