Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Revisitation of the original hot QCD collinear singularity problem   The long standing issue known as the hot QCD collinear singularity problem
has been proven to rely on an incorrect sequence of two mathematical
operations. Here, the original derivation of this problem is entirely revisited
within the correct sequence, bringing to light new and unexpected conclusions.

32
The categories of this paper are: atom-ph
2
The categories of this paper are: math
22
The categories of this paper are: chao-dyn
8
The categories of this paper are: hep-ex
11
The categories of this paper are: hep-lat
13
The categories of this paper are: quant-ph
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
25
The categories of this paper are: patt-sol
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess