Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The charm of hot matter - charmonium and open charm measurements in
  Pb--Pb collisions with ALICE at the LHC   We present selected results obtained by the ALICE Collaboration concerning
charmed hadron and quarkonium production in Pb--Pb collisions at the LHC.

37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
7
The categories of this paper are: hep-th
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex
36
The categories of this paper are: cmp-lg
34
The categories of this paper are: chem-ph
24
The categories of this paper are: dg-ga
21
The categories of this paper are: adap-org
27
The categories of this paper are: comp-gas
28
The categories of this paper are: alg-geom
19
The categories of this paper are: eess