Jordanian Quantum (Super)Algebras $U_h(g)$ via Contraction Method and Mapping:Review

B. Abdesselam, R. Chakrabarti, A. Yanallah +1

Recently, a class of transformations of $R_q$-matrices was introduced such that the $q\to 1$ limit gives explicit nonstandard $R_h$-matrices. The transformation matrix is singular…