#15309: Symmetric group algebra creating algebra generators using
_element_constructor_
------------------------+------------------------------------
Reporter: tscrim | Owner: sage-combinat
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: coercion | Keywords:
Merged in: | Authors: Travis Scrimshaw
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
------------------------+------------------------------------
When calling the `algebra_generators()`, `SymmetricGroupAlgebra` ends up
setting the `_coercions_used` flag to `True`. This prevents us from
creating coercions dynamically.
For example:
{{{#!python
sage: S3 = SymmetricGroupAlgebra(QQ, 3)
sage: S3._coercions_used
False
sage: S3.algebra_generators()
[[2, 1, 3], [2, 3, 1]]
sage: S3._coercions_used
True
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15309>
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