Genest, V.X.; Vinet, L.; Zhedanov, A.
(Symmetry, Integrability and Geometry: Methods and Applications, 2015)
Embeddings of the Racah algebra into the Bannai-Ito algebra are proposed in two realizations. First, quadratic combinations of the Bannai-Ito algebra generators in their standard realization on the space of polynomials are ...