Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Integrable Structure of Multispecies Zero Range Process   We present a brief review on integrability of multispecies zero range process
in one dimension introduced recently. The topics range over stochastic $R$
matrices of quantum affine algebra $U_q (A^{(1)}_n)$, matrix product
construction of stationary states for periodic systems, $q$-boson
representation of Zamolodchikov-Faddeev algebra, etc. We also introduce new
commuting Markov transfer matrices having a mixed boundary condition and prove
the factorization of a family of $R$ matrices associated with the tetrahedron
equation and generalized quantum groups at a special point of the spectral
parameter.

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The categories of this paper are: eess
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The categories of this paper are: funct-an
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The categories of this paper are: supr-con
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The categories of this paper are: q-fin
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The categories of this paper are: cond-mat
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The categories of this paper are: nucl-th
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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: ao-sci
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The categories of this paper are: quant-ph
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The categories of this paper are: astro-ph
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The categories of this paper are: adap-org
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The categories of this paper are: solv-int
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The categories of this paper are: dg-ga
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The categories of this paper are: stat
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The categories of this paper are: chao-dyn