Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Integral Points for Multi-norm Tori   We construct a finite subgroup of Brauer-Manin obstruction for detecting the
existence of integral points on integral models of principle homogeneous spaces
of multi-norm tori. Several explicit examples are provided.

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The categories of this paper are: hep-th
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The categories of this paper are: math-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: econ
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The categories of this paper are: q-bio
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The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: q-alg
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The categories of this paper are: adap-org
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The categories of this paper are: hep-lat
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The categories of this paper are: funct-an
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The categories of this paper are: nlin
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The categories of this paper are: eess
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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: dg-ga