Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Conjugacy Problem in the Grigorchuk Group is polynomial time
  decidable   In this paper we prove that the Conjugacy Problem in the Grigorchuk group
$\Gamma$ has polynomial time complexity.

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The categories of this paper are: adap-org
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The categories of this paper are: hep-ph
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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: stat
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The categories of this paper are: eess
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The categories of this paper are: dg-ga
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The categories of this paper are: q-alg
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The categories of this paper are: patt-sol
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The categories of this paper are: quant-ph
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The categories of this paper are: math-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: nlin
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The categories of this paper are: plasm-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: acc-phys