Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Lie algebra F-normalisers are intravariant   Let F be a saturated formation of soluble Lie algebras and let U be an
F-normaliser of the soluble Lie algebra L. Then U is intravariant in L.

20
The categories of this paper are: acc-phys
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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: ao-sci
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The categories of this paper are: adap-org
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The categories of this paper are: chem-ph
9
The categories of this paper are: nlin
35
The categories of this paper are: mtrl-th
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The categories of this paper are: plasm-ph
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The categories of this paper are: eess
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The categories of this paper are: stat
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The categories of this paper are: alg-geom
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The categories of this paper are: q-bio
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The categories of this paper are: supr-con
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The categories of this paper are: nucl-ex
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The categories of this paper are: chao-dyn