Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comment on "Aging, phase ordering and conformal invariance"   This is a Comment on the Article ``Aging, phase ordering and conformal
invariance'' by M.Henkel, M.Pleimling, C.Godr\`eche and J.M.Luck
[Phys.Rev.Lett. 87, 265701 (2001)].

29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
0
The categories of this paper are: hep-ph
34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
22
The categories of this paper are: chao-dyn
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
7
The categories of this paper are: hep-th
12
The categories of this paper are: nucl-th
2
The categories of this paper are: math
28
The categories of this paper are: alg-geom
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
21
The categories of this paper are: adap-org
25
The categories of this paper are: patt-sol