Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Methods for Parametrizing Varieties of Lie Algebras   We describe how to smoothly parametrize certain families of nilpotent Lie
algebras.

9
The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
7
The categories of this paper are: hep-th
15
The categories of this paper are: nucl-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: math-ph
17
The categories of this paper are: q-fin
3
The categories of this paper are: physics
29
The categories of this paper are: funct-an
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The categories of this paper are: quant-ph
31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
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The categories of this paper are: stat
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The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph