Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Cohen-Macaulay space of twisted cubics   In this work, we describe the Cohen-Macaulay space CM of twisted cubics
parameterizing curves $C$ together with a finite map $i: C \to \mathbb{P}^3$
that is generically a closed immersion and such that $C$ has Hilbert polynomial
$p(t)=3t+1$ with respect to $i$. We show that CM is irreducible, smooth and
birational to one component of the Hilbert scheme of twisted cubics.

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The categories of this paper are: funct-an
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The categories of this paper are: adap-org
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The categories of this paper are: comp-gas
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The categories of this paper are: econ
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The categories of this paper are: eess
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The categories of this paper are: math-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: solv-int
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-th
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The categories of this paper are: q-alg
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The categories of this paper are: stat
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The categories of this paper are: supr-con
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The categories of this paper are: acc-phys
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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg