Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A 3-Local Characterization of the Harada--Norton Sporadic Simple Group   We provide 3-local characterizations of the Harada--Norton sporadic simple
group and its automorphism group. Both groups are examples of groups of
parabolic characteristic three and we identify them from the structure of the
normalizer of the centre of a Sylow 3-subgroup.

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The categories of this paper are: ao-sci
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The categories of this paper are: q-bio
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The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
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The categories of this paper are: cond-mat
5
The categories of this paper are: gr-qc
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The categories of this paper are: chem-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: q-alg
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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: math-ph
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The categories of this paper are: hep-ph
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The categories of this paper are: solv-int
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The categories of this paper are: eess