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Centralizers of the superalgebra osp(1|2): the Brauer algebra as a quotient of the Bannai–Ito algebra*To the fond memory of Peter Freund, a much esteemed scientist who always generously shared his immense culture. (23rd September 2019)
Record Type:
Journal Article
Title:
Centralizers of the superalgebra osp(1|2): the Brauer algebra as a quotient of the Bannai–Ito algebra*To the fond memory of Peter Freund, a much esteemed scientist who always generously shared his immense culture. (23rd September 2019)
Main Title:
Centralizers of the superalgebra osp(1|2): the Brauer algebra as a quotient of the Bannai–Ito algebra*To the fond memory of Peter Freund, a much esteemed scientist who always generously shared his immense culture.
Abstract: We provide an explicit isomorphism between a quotient of the Bannai–Ito algebra and the Brauer algebra. We clarify also the connection with the action of the Lie superalgebra on the threefold tensor product of its fundamental representation. Finally, a conjecture is proposed to describe the centralizer of acting on three copies of an arbitrary finite irreducible representation in terms of a quotient of the Bannai–Ito algebra.