Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An example concerning the Theory of Levels for codimension-one
  foliations   We give an example of a codimension-one foliation which is transversely of
class C^1 and which does not satisfy the "Local Minimal Set" property.

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The categories of this paper are: astro-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: q-alg
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The categories of this paper are: funct-an
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The categories of this paper are: atom-ph
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The categories of this paper are: quant-ph
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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: plasm-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: mtrl-th
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The categories of this paper are: stat
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The categories of this paper are: gr-qc
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The categories of this paper are: dg-ga
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The categories of this paper are: nucl-th
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The categories of this paper are: acc-phys