]> gitweb.michael.orlitzky.com - sage.d.git/blobdiff - mjo/eja/eja_element.py
eja: use "b" as the default prefix.
[sage.d.git] / mjo / eja / eja_element.py
index 52933e2decdcf3d9dc1218a568bf29bcff6cf5f1..ff25b82073a85f9b2f92301d69f37455f231f5ea 100644 (file)
@@ -167,8 +167,8 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
             sage: J = HadamardEJA(3)
             sage: p1 = J.one().characteristic_polynomial()
             sage: q1 = J.zero().characteristic_polynomial()
-            sage: e0,e1,e2 = J.gens()
-            sage: A = (e0 + 2*e1 + 3*e2).subalgebra_generated_by() # dim 3
+            sage: b0,b1,b2 = J.gens()
+            sage: A = (b0 + 2*b1 + 3*b2).subalgebra_generated_by() # dim 3
             sage: p2 = A.one().characteristic_polynomial()
             sage: q2 = A.zero().characteristic_polynomial()
             sage: p1 == p2
@@ -348,7 +348,6 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
         EXAMPLES::
 
             sage: J = JordanSpinEJA(2)
-            sage: e0,e1 = J.gens()
             sage: x = sum( J.gens() )
             sage: x.det()
             0
@@ -356,7 +355,6 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
         ::
 
             sage: J = JordanSpinEJA(3)
-            sage: e0,e1,e2 = J.gens()
             sage: x = sum( J.gens() )
             sage: x.det()
             -1
@@ -793,7 +791,9 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
             sage: J = JordanSpinEJA(5)
             sage: J.one().is_regular()
             False
-            sage: e0, e1, e2, e3, e4 = J.gens() # e0 is the identity
+            sage: b0, b1, b2, b3, b4 = J.gens()
+            sage: b0 == J.one()
+            True
             sage: for x in J.gens():
             ....:     (J.one() + x).is_regular()
             False
@@ -843,8 +843,8 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
             sage: J = JordanSpinEJA(4)
             sage: J.one().degree()
             1
-            sage: e0,e1,e2,e3 = J.gens()
-            sage: (e0 - e1).degree()
+            sage: b0,b1,b2,b3 = J.gens()
+            sage: (b0 - b1).degree()
             2
 
         In the spin factor algebra (of rank two), all elements that
@@ -1096,7 +1096,7 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
 
             sage: J = ComplexHermitianEJA(3)
             sage: J.one()
-            e0 + e3 + e8
+            b0 + b3 + b8
             sage: J.one().to_matrix()
             [1 0 0 0 0 0]
             [0 1 0 0 0 0]
@@ -1109,7 +1109,7 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
 
             sage: J = QuaternionHermitianEJA(2)
             sage: J.one()
-            e0 + e5
+            b0 + b5
             sage: J.one().to_matrix()
             [1 0 0 0 0 0 0 0]
             [0 1 0 0 0 0 0 0]
@@ -1355,11 +1355,11 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
 
             sage: J = RealSymmetricEJA(3)
             sage: J.one()
-            e0 + e2 + e5
+            b0 + b2 + b5
             sage: J.one().spectral_decomposition()
-            [(1, e0 + e2 + e5)]
+            [(1, b0 + b2 + b5)]
             sage: J.zero().spectral_decomposition()
-            [(0, e0 + e2 + e5)]
+            [(0, b0 + b2 + b5)]
 
         TESTS::
 
@@ -1384,13 +1384,13 @@ class FiniteDimensionalEJAElement(IndexedFreeModuleElement):
         The spectral decomposition should work in subalgebras, too::
 
             sage: J = RealSymmetricEJA(4)
-            sage: (e0, e1, e2, e3, e4, e5, e6, e7, e8, e9) = J.gens()
-            sage: A = 2*e5 - 2*e8
+            sage: (b0, b1, b2, b3, b4, b5, b6, b7, b8, b9) = J.gens()
+            sage: A = 2*b5 - 2*b8
             sage: (lambda1, c1) = A.spectral_decomposition()[1]
             sage: (J0, J5, J1) = J.peirce_decomposition(c1)
             sage: (f0, f1, f2) = J1.gens()
             sage: f0.spectral_decomposition()
-            [(0, f2), (1, f0)]
+            [(0, c2), (1, c0)]
 
         """
         A = self.subalgebra_generated_by(orthonormalize=True)