Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Regular Points of a Subcartesian Space   We discuss properties of the regular part $S_{reg}$ of a subcartesian space
$S$. We show that $S_{reg}$ is open and dense in $S$ and the restriction to
$S_{reg}$ of the tangent bundle of $S$ is locally trivial.

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The categories of this paper are: hep-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: cmp-lg
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The categories of this paper are: math-ph
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The categories of this paper are: eess
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The categories of this paper are: plasm-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: atom-ph
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The categories of this paper are: q-alg
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The categories of this paper are: alg-geom
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The categories of this paper are: adap-org
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The categories of this paper are: astro-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: cond-mat
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The categories of this paper are: stat