Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Status of CCFM - unintegrated gluon densities   New fits of the unintegrated gluon density obtained from CCFM evolution to
HERA $F_2(x,Q^2)$ data are presented. Also predictions of the unintegrated
gluon density of the real photon are presented.

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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: stat
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The categories of this paper are: bayes-an
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The categories of this paper are: math-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: econ
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-lat
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The categories of this paper are: ao-sci
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The categories of this paper are: alg-geom
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The categories of this paper are: gr-qc
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The categories of this paper are: nucl-th
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The categories of this paper are: dg-ga
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The categories of this paper are: solv-int