Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Boundedness of the twisted paraproduct   We prove L^p estimates for a two-dimensional bilinear operator of paraproduct
type. This result answers a question posed by Demeter and Thiele in [3].

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The categories of this paper are: chem-ph
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The categories of this paper are: stat
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The categories of this paper are: ao-sci
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-th
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The categories of this paper are: hep-ex
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The categories of this paper are: cs
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The categories of this paper are: nlin
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The categories of this paper are: econ
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: physics
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The categories of this paper are: q-fin
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The categories of this paper are: funct-an