Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: $q$-Discrete Painlev\'e equations for recurrence coefficients of
  modified $q$-Freud orthogonal polynomials   We present an asymmetric $q$-Painlev\'e equation. We will derive this using
$q$-orthogonal polynomials with respect to generalized Freud weights: their
recurrence coefficients will obey this $q$-Painlev\'e equation (up to a simple
transformation). We will show a stable method of computing a special solution
which gives the recurrence coefficients. We establish a connection with
$\alpha-q-P_V$.

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The categories of this paper are: astro-ph
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The categories of this paper are: nlin
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The categories of this paper are: hep-lat
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The categories of this paper are: quant-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: cmp-lg
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The categories of this paper are: eess
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The categories of this paper are: ao-sci
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The categories of this paper are: plasm-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: mtrl-th
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The categories of this paper are: hep-th
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-ex
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The categories of this paper are: cs
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The categories of this paper are: q-bio