Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Cellular cochain algebras and torus actions   We prove that the integral cohomology algebra of the moment-angle complex
Z_K, or of the corresponding coordinate subspace arrangement complement U(K),
is isomorphic to the Tor-algebra of the face ring Z[K] of simplicial complex K.

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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: quant-ph
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The categories of this paper are: eess
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The categories of this paper are: dg-ga
14
The categories of this paper are: math-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-th
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The categories of this paper are: ao-sci
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The categories of this paper are: econ
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The categories of this paper are: physics
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The categories of this paper are: patt-sol
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The categories of this paper are: acc-phys
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-fin