matrices do not contain the superalgebra's identity element::
sage: J = RealSymmetricEJA(2)
- sage: E11 = matrix(QQ, [ [1,0],
+ sage: E11 = matrix(AA, [ [1,0],
....: [0,0] ])
- sage: E22 = matrix(QQ, [ [0,0],
+ sage: E22 = matrix(AA, [ [0,0],
....: [0,1] ])
sage: K1 = FiniteDimensionalEuclideanJordanSubalgebra(J, (J(E11),))
sage: K1.one().natural_representation()
EXAMPLES::
sage: J = RealSymmetricEJA(3)
- sage: X = matrix(QQ, [ [0,0,1],
+ sage: X = matrix(AA, [ [0,0,1],
....: [0,1,0],
....: [1,0,0] ])
sage: x = J(X)
EXAMPLES::
sage: J = RealSymmetricEJA(3)
- sage: E11 = matrix(QQ, [ [1,0,0],
+ sage: E11 = matrix(ZZ, [ [1,0,0],
....: [0,0,0],
....: [0,0,0] ])
- sage: E22 = matrix(QQ, [ [0,0,0],
+ sage: E22 = matrix(ZZ, [ [0,0,0],
....: [0,1,0],
....: [0,0,0] ])
sage: b1 = J(E11)