The Leonard triples extended from given Leonard pairs of Bannai/Ito type
Bo Hou, Liwei Zhang, Suogang Gao · Linear and Multilinear Algebra · 2013
Let denote an algebraically closed field of characteristic zero and let denote an even at least . Let and be by matrices. Then is a Leonard pair on of Bannai/Ito type. We determine all the matrices such that form a Leonard triple on .