Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hyperboloidal foliations with scri-fixing in spherical symmetry   We study in spherical symmetry the conformal compactification for
hyperboloidal foliations with nonvanishing constant mean curvature. The
conformal factor and the coordinates are chosen such that null infinity is at a
fixed radial coordinate location.

34
The categories of this paper are: chem-ph
7
The categories of this paper are: hep-th
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
14
The categories of this paper are: math-ph
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
1
The categories of this paper are: cs
3
The categories of this paper are: physics
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math