Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Jordanian deformation of the open XXX-spin chain   The general solution to the reflection equation associated with the jordanian
deformation of the SL(2) invariant Yang R-matrix is found. The same K-matrix is
obtained by the special scaling limit of the XXZ-model with general boundary
conditions. The Hamiltonian with the boundary terms is explicitly derived
according to the Sklyanin formalism. We discuss the structure of the spectrum
of the deformed XXX-model and its dependence on the boundary conditions.

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The categories of this paper are: chem-ph
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The categories of this paper are: physics
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The categories of this paper are: patt-sol
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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: astro-ph
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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: ao-sci
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The categories of this paper are: nucl-ex
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: supr-con
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The categories of this paper are: econ
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The categories of this paper are: eess