Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Bona Fide Thermodynamic Temperature in Nonequilibrium Kinetic Ising
  Models   We show that a nominal temperature can be consistently and uniquely defined
everywhere in the phase diagram of large classes of nonequilibrium kinetic
Ising spin models. In addition, we confirm the recent proposal that, at
critical points, the large-time ``fluctuation-dissipation ratio'' $X_\infty$ is
a universal amplitude ratio and find in particular $X_\infty \approx 0.33(2)$
and $X_\infty = 1/2$ for the magnetization in, respectively, the
two-dimensional Ising and voter universality classes.

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The categories of this paper are: nlin
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The categories of this paper are: patt-sol
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The categories of this paper are: q-fin
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
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The categories of this paper are: acc-phys
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The categories of this paper are: alg-geom
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-lat
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The categories of this paper are: comp-gas
18
The categories of this paper are: econ
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The categories of this paper are: astro-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: stat
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The categories of this paper are: math