Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the Noether Bound for Noncommutative Rings   We present two noncommutative algebras over a field of characteristic zero
that each posses a family of actions by cyclic groups of order $2n$,
represented in $n \times n$ matrices, requiring generators of degree $3n$.

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The categories of this paper are: hep-th
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The categories of this paper are: nlin
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The categories of this paper are: q-bio
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The categories of this paper are: dg-ga
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The categories of this paper are: gr-qc
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The categories of this paper are: cond-mat
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The categories of this paper are: adap-org
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The categories of this paper are: astro-ph
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The categories of this paper are: funct-an
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The categories of this paper are: quant-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: acc-phys
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The categories of this paper are: q-alg
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The categories of this paper are: bayes-an
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The categories of this paper are: mtrl-th
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The categories of this paper are: cs