Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Face module for realizable Z-matroids   In this work, we define the face module for a realizable matroid over Z. Its
Hilbert series is, indeed, the expected specialization of the Grothendieck -
Tutte polynomial defined by Fink and Moci.
  This work will appear in 'Contributions to Discrete Mathematics'

27
The categories of this paper are: comp-gas
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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: q-fin
8
The categories of this paper are: hep-ex
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The categories of this paper are: chao-dyn
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: patt-sol
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The categories of this paper are: ao-sci
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The categories of this paper are: funct-an
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The categories of this paper are: supr-con
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The categories of this paper are: acc-phys