It is named after Hans Freudenthal and Jacques Tits , who developed the idea independently .
In mathematics , the Freudenthal magic square ( or Freudenthal -- Tits magic square ) is a construction relating several Lie algebras ( and their associated Lie groups ) .
It is named after Freudenthal   and Jacques Tits , who developed the idea independently .
In mathematics , the Freudenthal magic square ( or Freudenthal -- Tits magic square ) is a construction relating several Lie algebras ( and their associated Lie groups ) .