Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Phase diagram and Debye mass in thermally reduced QCD   At temperatures well above the transition, QCD admits a thermally reduced
version in 3D, which reproduces the long distance physics. We analyze the phase
diagram, point out the relevance of Z(3) symmetry in the location of the
transition and suggest a way out to reconcile this with the data. Related to
this symmetry is the existence of an observable, the Z(N) wall, or rather its
3D version, and discuss some of its advantages over other observables.

1
The categories of this paper are: cs
33
The categories of this paper are: plasm-ph
28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
14
The categories of this paper are: math-ph
22
The categories of this paper are: chao-dyn
16
The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
29
The categories of this paper are: funct-an
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
18
The categories of this paper are: econ