Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: HAWC Contributions to the 34th International Cosmic Ray Conference
  (ICRC2015)   List of proceedings from the HAWC Collaboration presented at the 34th
International Cosmic Ray Conference, 30 July - 6 August 2015, The Hague, The
Netherlands.

9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
33
The categories of this paper are: plasm-ph