Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Theoretical Overview on (Hidden) Charm in High-Energy Heavy-Ion
  Collisions   Recent developments in the theoretical evaluation of charmonium production in
ultrarelativistic heavy-ion collisions (URHIC's) are discussed. In particular,
the consequences of equilibrium properties of open and hidden charm states --
accessible, {\it e.g.}, in QCD lattice gauge calculations -- are assessed.
These include abundances as well as formation and dissociation rates of
charmonia in both hadronic and quark-gluon matter.

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The categories of this paper are: cond-mat
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-lat
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The categories of this paper are: comp-gas
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The categories of this paper are: gr-qc
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The categories of this paper are: q-fin
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The categories of this paper are: nlin
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-th
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The categories of this paper are: chem-ph
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The categories of this paper are: solv-int
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The categories of this paper are: eess
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The categories of this paper are: plasm-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: bayes-an
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The categories of this paper are: cs