Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Abundance for Kaehler threefolds   Let X be a compact Kaehler threefold with terminal singularities such that
K\_X is nef. We prove that K\_X is semiample.

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The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
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The categories of this paper are: q-alg
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The categories of this paper are: supr-con
3
The categories of this paper are: physics
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The categories of this paper are: solv-int
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The categories of this paper are: patt-sol
13
The categories of this paper are: quant-ph
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The categories of this paper are: econ
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The categories of this paper are: eess
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The categories of this paper are: chem-ph
4
The categories of this paper are: cond-mat
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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: hep-ex