eja: rename RealCartesianProductEJA -> HadamardEJA.

[sage.d.git] / mjo / eja / eja_algebra.py

diff --git a/mjo/eja/eja_algebra.py b/mjo/eja/eja_algebra.py
index dfb15c627fe021a3d3b47348a42ea56dc666e6fc..166ed1e322dfa6c966f79231c03d5837cdc3b165 100644 (file)
--- a/mjo/eja/eja_algebra.py
+++ b/mjo/eja/eja_algebra.py
@@ -94,8 +94,10 @@ class FiniteDimensionalEuclideanJordanAlgebra(CombinatorialFreeModule):
         # long run to have the multiplication table be in terms of
         # algebra elements. We do this after calling the superclass
         # constructor so that from_vector() knows what to do.
-        self._multiplication_table = [ map(lambda x: self.from_vector(x), ls)
-                                       for ls in mult_table ]
+        self._multiplication_table = [
+            list(map(lambda x: self.from_vector(x), ls))
+            for ls in mult_table
+        ]
 
 
     def _element_constructor_(self, elt):
@@ -109,7 +111,7 @@ class FiniteDimensionalEuclideanJordanAlgebra(CombinatorialFreeModule):
         SETUP::
 
             sage: from mjo.eja.eja_algebra import (JordanSpinEJA,
-            ....:                                  RealCartesianProductEJA,
+            ....:                                  HadamardEJA,
             ....:                                  RealSymmetricEJA)
 
         EXAMPLES:
@@ -137,7 +139,7 @@ class FiniteDimensionalEuclideanJordanAlgebra(CombinatorialFreeModule):
         vector representations) back and forth faithfully::
 
             sage: set_random_seed()
-            sage: J = RealCartesianProductEJA.random_instance()
+            sage: J = HadamardEJA.random_instance()
             sage: x = J.random_element()
             sage: J(x.to_vector().column()) == x
             True
@@ -580,12 +582,12 @@ class FiniteDimensionalEuclideanJordanAlgebra(CombinatorialFreeModule):
 
         SETUP::
 
-            sage: from mjo.eja.eja_algebra import (RealCartesianProductEJA,
+            sage: from mjo.eja.eja_algebra import (HadamardEJA,
             ....:                                  random_eja)
 
         EXAMPLES::
 
-            sage: J = RealCartesianProductEJA(5)
+            sage: J = HadamardEJA(5)
             sage: J.one()
             e0 + e1 + e2 + e3 + e4
 
@@ -901,8 +903,7 @@ class KnownRankEJA(object):
         return cls(n, field, **kwargs)
 
 
-class RealCartesianProductEJA(FiniteDimensionalEuclideanJordanAlgebra,
-                              KnownRankEJA):
+class HadamardEJA(FiniteDimensionalEuclideanJordanAlgebra, KnownRankEJA):
     """
     Return the Euclidean Jordan Algebra corresponding to the set
     `R^n` under the Hadamard product.
@@ -913,13 +914,13 @@ class RealCartesianProductEJA(FiniteDimensionalEuclideanJordanAlgebra,
 
     SETUP::
 
-        sage: from mjo.eja.eja_algebra import RealCartesianProductEJA
+        sage: from mjo.eja.eja_algebra import HadamardEJA
 
     EXAMPLES:
 
     This multiplication table can be verified by hand::
 
-        sage: J = RealCartesianProductEJA(3)
+        sage: J = HadamardEJA(3)
         sage: e0,e1,e2 = J.gens()
         sage: e0*e0
         e0
@@ -938,7 +939,7 @@ class RealCartesianProductEJA(FiniteDimensionalEuclideanJordanAlgebra,
 
     We can change the generator prefix::
 
-        sage: RealCartesianProductEJA(3, prefix='r').gens()
+        sage: HadamardEJA(3, prefix='r').gens()
         (r0, r1, r2)
 
     """
@@ -947,7 +948,7 @@ class RealCartesianProductEJA(FiniteDimensionalEuclideanJordanAlgebra,
         mult_table = [ [ V.gen(i)*(i == j) for j in range(n) ]
                        for i in range(n) ]
 
-        fdeja = super(RealCartesianProductEJA, self)
+        fdeja = super(HadamardEJA, self)
         return fdeja.__init__(field, mult_table, rank=n, **kwargs)
 
     def inner_product(self, x, y):
@@ -956,7 +957,7 @@ class RealCartesianProductEJA(FiniteDimensionalEuclideanJordanAlgebra,
 
         SETUP::
 
-            sage: from mjo.eja.eja_algebra import RealCartesianProductEJA
+            sage: from mjo.eja.eja_algebra import HadamardEJA
 
         TESTS:
 
@@ -964,7 +965,7 @@ class RealCartesianProductEJA(FiniteDimensionalEuclideanJordanAlgebra,
         over `R^n`::
 
             sage: set_random_seed()
-            sage: J = RealCartesianProductEJA.random_instance()
+            sage: J = HadamardEJA.random_instance()
             sage: x,y = J.random_elements(2)
             sage: X = x.natural_representation()
             sage: Y = y.natural_representation()