Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Weak approximation and the Hilbert property for Campana points   We study weak approximation and the Hilbert property for Campana points, both
of importance in recent work on a Manin-type conjecture by Pieropan, Smeets,
Tanimoto and Varilly-Alvarado. We show that weak weak approximation implies the
Hilbert property for Campana points, and we exploit this to exhibit Campana
orbifolds whose sets of Campana points are not thin.

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The categories of this paper are: q-bio
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The categories of this paper are: nucl-ex
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The categories of this paper are: adap-org
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The categories of this paper are: comp-gas
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The categories of this paper are: quant-ph
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The categories of this paper are: solv-int
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The categories of this paper are: funct-an
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The categories of this paper are: alg-geom
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The categories of this paper are: chem-ph
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The categories of this paper are: nlin
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The categories of this paper are: atom-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: supr-con
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The categories of this paper are: hep-lat
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The categories of this paper are: stat
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The categories of this paper are: ao-sci