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Braided Yangians

Abstract : Yangian-like algebras associated with current R-matrices different from the Yang ones are introduced. These algebras are of two types. The so-called braided Yangians are close to the Reflection Equation algebras, arising from involutive or Hecke symmetries. The Yangians of RTT type are close to the corresponding RTT algebras. Some properties of these two classes of the Yangian-like algebras are studied. Thus, evaluation morphisms for them are constructed, their bi-algebra structures are described, and quantum analogs of certain symmetric polynomials, in particular, the quantum determinant, are introduced. It is proved that in any braided Yangian this determinant is always central, whereas, in general, this is not true for the Yangians of RTT type. Analogs of the Cayley–Hamilton–Newton identities in the braided Yangians are exhibited. A bosonic realization of the braided Yangians is performed.
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Submitted on : Tuesday, March 2, 2021 - 11:31:31 AM
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Dimitri Gurevich, Pavel Saponov. Braided Yangians. Journal of Geometry and Physics, Elsevier, 2019, 138, pp.124-143. ⟨10.1016/j.geomphys.2018.12.024⟩. ⟨hal-03156078⟩

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