Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Forbidden subposet problems in the grid   For posets $P$ and $Q$, extremal and saturation problems about weak and
strong $P$-free subposets of $Q$ have been studied mostly in the case $Q$ is
the Boolean poset $Q_n$, the poset of all subsets of an $n$-element set ordered
by inclusion. In this paper, we study some instances of the problem with $Q$
being the grid, and its connections to the Boolean case and to the forbidden
submatrix problem.

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The categories of this paper are: chem-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: bayes-an
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The categories of this paper are: supr-con
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The categories of this paper are: q-alg
0
The categories of this paper are: hep-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: q-bio
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The categories of this paper are: atom-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: eess
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The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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The categories of this paper are: nucl-ex
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ex