Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Standard and exotic singularities regularized by varying constants   We review the variety of new singularities in homogeneous and isotropic FRW
cosmology which differ from standard Big-Bang and Big-Crunch singularities and
suggest how the nature of these singularities can be influenced by the varying
fundamental constants.

18
The categories of this paper are: econ
9
The categories of this paper are: nlin
2
The categories of this paper are: math
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol
30
The categories of this paper are: q-alg
21
The categories of this paper are: adap-org
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph
23
The categories of this paper are: solv-int
24
The categories of this paper are: dg-ga
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
3
The categories of this paper are: physics