Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unimodular covers of 3-dimensional parallelepipeds and Cayley sums   We show that the following classes of lattice polytopes have unimodular
covers, in dimension three: the class of parallelepipeds, the class of
centrally symmetric polytopes, and the class of Cayley sums $\text{Cay}(P,Q)$
where the normal fan of $Q$ refines that of $P$. This improves results of Beck
et al.~(2018) and Haase et al.~(2008) where the last two classes were shown to
be IDP.

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The categories of this paper are: hep-ex
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The categories of this paper are: ao-sci
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The categories of this paper are: nlin
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The categories of this paper are: mtrl-th
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The categories of this paper are: supr-con
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The categories of this paper are: bayes-an
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The categories of this paper are: alg-geom
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The categories of this paper are: nucl-ex
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The categories of this paper are: quant-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-th
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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: adap-org
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The categories of this paper are: physics