Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Strangeness and the Quark-Gluon Plasma: Thirty Years of Discovery   I review some aspects of the role of strange quarks in hot QCD matter and as
probes of quark deconfinement at high temperature.

20
The categories of this paper are: acc-phys
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
21
The categories of this paper are: adap-org
16
The categories of this paper are: stat
7
The categories of this paper are: hep-th
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
32
The categories of this paper are: atom-ph
2
The categories of this paper are: math
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph