Use sage.typeset.unicode_characters in TensorProductFunctor and SignedTensorProductFunctor

Author: egourgoulhon

src/sage/categories/signed_tensor.py

@@ -14,6 +14,7 @@
 # ****************************************************************************
 
 from sage.categories.covariant_functorial_construction import CovariantFunctorialConstruction, CovariantConstructionCategory
+from sage.typeset.unicode_characters import unicode_bigotimes
 
 
 class SignedTensorProductFunctor(CovariantFunctorialConstruction):
@@ -55,7 +56,7 @@ class SignedTensorProductFunctor(CovariantFunctorialConstruction):
     _functor_name = "tensor"
     _functor_category = "SignedTensorProducts"
     symbol = " # "
-    unicode_symbol = " ⨂ "
+    unicode_symbol = " " + unicode_bigotimes + " "
 
     def _repr_(self):
         """

src/sage/categories/tensor.py

@@ -14,6 +14,7 @@
 # ****************************************************************************
 
 from sage.categories.covariant_functorial_construction import CovariantFunctorialConstruction, CovariantConstructionCategory
+from sage.typeset.unicode_characters import unicode_bigotimes
 
 
 class TensorProductFunctor(CovariantFunctorialConstruction):
@@ -50,7 +51,7 @@ class TensorProductFunctor(CovariantFunctorialConstruction):
     _functor_name = "tensor"
     _functor_category = "TensorProducts"
     symbol = " # "
-    unicode_symbol = " ⨂ "
+    unicode_symbol = " " + unicode_bigotimes + " "
 
 
 tensor = TensorProductFunctor()

src/sage/typeset/unicode_characters.py

@@ -1,5 +1,5 @@
 r"""
-Unicode characters
+Unicode Characters
 
 This module provides Python identifiers for Unicode characters corresponding
 to various mathematical symbols.