Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Borel Isomorphism of SPR Markov Shifts   We show that strongly positively recurrent Markov shifts (in particular
shifts of finite type) are classified up to Borel conjugacy by their entropy,
period and their numbers of periodic points.

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The categories of this paper are: atom-ph
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The categories of this paper are: q-fin
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The categories of this paper are: q-alg
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The categories of this paper are: cond-mat
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The categories of this paper are: q-bio
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The categories of this paper are: gr-qc
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The categories of this paper are: nlin
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The categories of this paper are: dg-ga
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-th
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The categories of this paper are: alg-geom
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The categories of this paper are: cmp-lg
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The categories of this paper are: solv-int
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The categories of this paper are: bayes-an
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The categories of this paper are: hep-ph
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The categories of this paper are: quant-ph