The following three methods in the Permutation class don't seem to work:
foata_bijection_inverse()
fundamental_transformation()
fundamental_transformation_inverse()
Here is an example:
sage: S = Permutations(3)
sage: S[0].foata_bijection()
[1, 2, 3]
sage: S[0].foata_bijection_inverse()
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-31-c8ef4d7624be> in <module>()
----> 1 S[Integer(0)].foata_bijection_inverse()
/Applications/SageMath/src/sage/structure/element.pyx in
sage.structure.element.Element.__getattr__
(/Applications/SageMath/src/build/cythonized/sage/structure/element.c:4649)()
411 dummy_error_message.name = name
412 raise dummy_attribute_error
--> 413 return getattr_from_other_class(self,
P._abstract_element_class, name)
414
415 def __dir__(self):
/Applications/SageMath/src/sage/structure/misc.pyx in
sage.structure.misc.getattr_from_other_class
(/Applications/SageMath/src/build/cythonized/sage/structure/misc.c:1763)()
251 dummy_error_message.cls = type(self)
252 dummy_error_message.name = name
--> 253 raise dummy_attribute_error
254 try:
255 attribute = getattr(cls, name)
AttributeError: 'StandardPermutations_n_with_category.element_class' object
has no attribute 'foata_bijection_inverse'
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