Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Centers of universal enveloping algebras of Lie superalgebras in prime
  characteristic   Let $\ggg=\ggg_\bz+\ggg_\bo$ be a basic classical Lie superalgebra over an
algebraically closed field $k$ of characteristic $p>2$, and $G$ be an algebraic
supergroup satisfying $\Lie(G)=\ggg$, with the purely even subgroup $G_\ev$
which is a reductive group. The center $\cz:=\cz(\ggg)$ of the universal
enveloping algebra of $\ggg$ easily turns out to be a domain. In this paper, we
prove that the quotient field of $\cz$ coincides with that of the subalgebra
generated by the $G_{\ev}$-invariant ring $\cz^{G_\ev}$ of $\cz$ and the
$p$-center $\cz_0$ of $U(\ggg_\bz)$.

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The categories of this paper are: acc-phys
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The categories of this paper are: adap-org
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The categories of this paper are: ao-sci
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The categories of this paper are: stat
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The categories of this paper are: cs
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The categories of this paper are: gr-qc
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The categories of this paper are: supr-con
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The categories of this paper are: econ
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The categories of this paper are: math-ph
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The categories of this paper are: q-fin
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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: funct-an
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The categories of this paper are: nlin
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The categories of this paper are: chao-dyn
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The categories of this paper are: quant-ph