Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Next-to-Leading Order Evolution of Polarized Fragmentation Functions   We present a brief description of the determination of the two-loop
spin-dependent time-like splitting functions relevant for the NLO evolution of
polarized fragmentation functions. Our calculation based on the analytic
continuation of the corresponding space-like results obtained within the
light-cone gauge method proposed by Curci, Furmanski, and Petronzio. As an
application we present an analysis of polarized Lambda production in e+e- and
ep collisions.

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The categories of this paper are: math-ph
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The categories of this paper are: supr-con
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The categories of this paper are: nucl-ex
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The categories of this paper are: dg-ga
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The categories of this paper are: q-bio
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The categories of this paper are: hep-ex
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The categories of this paper are: q-fin
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: atom-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: plasm-ph
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The categories of this paper are: hep-th
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The categories of this paper are: cond-mat
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The categories of this paper are: acc-phys