Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: New Showers with transverse-momentum-ordering   Two new showering routines are introduced, one for timelike final-state
showers and one for spacelike initial-state ones. They are both based on
emissions ordered in approximate transverse momenta that can easily be
translated to virtualities. Matrix-element corrections can then be imposed as
in the existing Pythia routines.

27
The categories of this paper are: comp-gas
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-lat
7
The categories of this paper are: hep-th
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The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc
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The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph
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The categories of this paper are: q-fin
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The categories of this paper are: patt-sol
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The categories of this paper are: dg-ga
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The categories of this paper are: adap-org
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The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-th
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The categories of this paper are: solv-int
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The categories of this paper are: math-ph