6. Can we convert the complex/quaternion algebras to avoid real-
(un)embeddings? Quaternions would need their own
QuaternionMatrixAlgebra, since Sage matrices have to have entries
6. Can we convert the complex/quaternion algebras to avoid real-
(un)embeddings? Quaternions would need their own
QuaternionMatrixAlgebra, since Sage matrices have to have entries