#15300: Clifford algebras and differential Weyl algebras
-------------------------------------+-------------------------------------
Reporter: tscrim | Owner: tscrim
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: algebra | Resolution:
Keywords: days54 | Merged in:
Authors: Travis Scrimshaw | Reviewers: Darij Grinberg, John
Report Upstream: N/A | Palmieri
Branch: | Work issues:
public/algebras/weyl_clifford-15300| Commit:
Dependencies: #16037 | 86982750ec7fcf5a9a531702ee038dc26cadb401
| Stopgaps:
-------------------------------------+-------------------------------------
Changes (by vbraun):
* status: needs_review => needs_work
Comment:
{{{
sage -t --long --warn-long 38.2 src/sage/combinat/descent_algebra.py
git
log**********************************************************************
File "src/sage/combinat/descent_algebra.py", line 292, in
sage.combinat.descent_algebra.DescentAlgebra.D.to_B_basis
Failed example:
map(B, D.basis()) # indirect doctest
Expected:
[B[4],
B[1, 3] - B[4],
B[2, 2] - B[4],
B[1, 1, 2] - B[1, 3] - B[2, 2] + B[4],
B[3, 1] - B[4],
B[1, 2, 1] - B[1, 3] - B[3, 1] + B[4],
B[2, 1, 1] - B[2, 2] - B[3, 1] + B[4],
B[1, 1, 1, 1] - B[1, 1, 2] - B[1, 2, 1] + B[1, 3]
- B[2, 1, 1] + B[2, 2] + B[3, 1] - B[4]]
Got:
[B[4],
B[1, 3] - B[4],
B[2, 2] - B[4],
B[3, 1] - B[4],
B[1, 1, 2] - B[1, 3] - B[2, 2] + B[4],
B[1, 2, 1] - B[1, 3] - B[3, 1] + B[4],
B[2, 1, 1] - B[2, 2] - B[3, 1] + B[4],
B[1, 1, 1, 1] - B[1, 1, 2] - B[1, 2, 1] + B[1, 3] - B[2, 1, 1] + B[2,
2] + B[3, 1] - B[4]]
**********************************************************************
1 item had failures:
1 of 5 in sage.combinat.descent_algebra.DescentAlgebra.D.to_B_basis
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/15300#comment:159>
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