Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: O/IR Polarimetry for the 2010 Decade (CGT): Science at the Edge, Sharp
  Tools for All   Science opportunities and recommendations concerning optical/infrared
polarimetry for the upcoming decade in the field of extragalactic astrophysics.
Community-based White Paper to Astro2010 in response to the call for such
papers.

29
The categories of this paper are: funct-an
35
The categories of this paper are: mtrl-th
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
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph
20
The categories of this paper are: acc-phys
27
The categories of this paper are: comp-gas
22
The categories of this paper are: chao-dyn
9
The categories of this paper are: nlin
7
The categories of this paper are: hep-th
5
The categories of this paper are: gr-qc