#6670: Port group algebras to the current coercion system
---------------------------+------------------------------------------------
Reporter: mraum | Owner: mraum
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-4.7
Component: algebra | Keywords:
Author: Martin Raum | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
---------------------------+------------------------------------------------
Changes (by mraum):
* status: needs_work => needs_review
* work_issues: unpickling problems =>
Old description:
> This upgrades the group algebras to the current coercion system and fixes
> some issues of multiplication of group algebras A and B, satisfying A ==
> B but not admitting coercion of elements.
> This depends on #6669, which concerns homomorphisms from matrix group to
> other objects.
New description:
This upgrades the group algebras to the current coercion system and fixes
some issues of multiplication of group algebras A and B, satisfying A == B
but not admitting coercion of elements.
This depends on #6669, which concerns homomorphisms from matrix group to
other objects.
'''Apply:'''
1. [attachment:trac-6670-group_algebra-6.patch]
2. [attachment:trac-6670-group_algebra-7.patch]
--
Comment:
I added a completely new file containing the new implementation. The old
one is deprecated now, but it still exists and pickling works. William
suggested to remove the old implementation in 5.0, which I will open a
ticket for as soon as this ticket is merged.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6670#comment:11>
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