NICHOLS ALGEBRAS OF UNIDENTIFIED DIAGONAL TYPE
The Nichols algebras of diagonal type with finite root system are either of standard, super or (yet) unidentified type. A concrete description of the defining relations of all those Nichols algebras was given in [8]. In the present paper we use this result to give an explicit presentation of all Nichols algebras of unidentified type.
nichols algebras pointed hopf algebras 16w30