lift_* methods in algebras/clifford_algebra.py should remember the gr…

…aded-filtered choice
sagemath · Nov 24, 2014 · 2a62c3b · 2a62c3b
1 parent 25c0fbc
commit 2a62c3b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/sage/algebras/clifford_algebra.py b/src/sage/algebras/clifford_algebra.py
@@ -1139,7 +1139,7 @@ def lift_module_morphism(self, m, names=None):
         if Q == self._quadratic_form and names is None:
             Cl = self
         else:
-            Cl = CliffordAlgebra(Q, names)
+            Cl = CliffordAlgebra(Q, names, graded=self._graded)
 
         n = self._quadratic_form.dim()
         f = lambda x: self.prod(self._from_dict( {(j,): m[j,i] for j in range(n)},
@@ -1207,7 +1207,7 @@ def lift_isometry(self, m, names=None):
         else:
             if names is None:
                 names = 'e'
-            Cl = CliffordAlgebra(Q, names)
+            Cl = CliffordAlgebra(Q, names, graded=self._graded)
 
         n = Q.dim()
         f = lambda x: Cl.prod(Cl._from_dict( {(j,): m[j,i] for j in range(n)},