Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Anisotropic Kelvin transform and the Sobolev anisotropic critical
  equation   We introduce and study a Kelvin-type transform in the anisotropic setting.
Then we exploit it to study symmetry properties of solution to the anisotropic
Sobolev critical equation in the entire space.

14
The categories of this paper are: math-ph
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The categories of this paper are: adap-org
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The categories of this paper are: hep-th
3
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: stat
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The categories of this paper are: supr-con
18
The categories of this paper are: econ
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The categories of this paper are: hep-lat
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The categories of this paper are: chao-dyn
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The categories of this paper are: alg-geom
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The categories of this paper are: ao-sci
29
The categories of this paper are: funct-an
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The categories of this paper are: hep-ex
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The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph