Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Local energy decay for Maxwell fields part I: Spherically symmetric
  black-hole backgrounds   We prove local energy decay estimates for solutions to the inhomogeneous
Maxwell system on a generic class of spherically symmetric black holes.

36
The categories of this paper are: cmp-lg
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc
8
The categories of this paper are: hep-ex
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
32
The categories of this paper are: atom-ph
21
The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
7
The categories of this paper are: hep-th
27
The categories of this paper are: comp-gas