#18133: Implement Orlik-Solomon algebra of an arrangement
-------------------------------------+-------------------------------------
Reporter: kcrisman | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-7.1
Component: geometry | Resolution:
Keywords: hyperplane | Merged in:
arrangements | Reviewers: Darij Grinberg
Authors: Travis Scrimshaw, | Work issues:
William Slofstra | Commit:
Report Upstream: N/A | ce4a0cba05f4c593cc1942f9104cf4c7bf902951
Branch: | Stopgaps:
public/algebras/orlik_solomon-18133|
Dependencies: |
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Changes (by vbraun):
* status: positive_review => needs_work
Comment:
{{{
sage -t --long src/sage/matroids/matroid.pyx
**********************************************************************
File "src/sage/matroids/matroid.pyx", line 2912, in
sage.matroids.matroid.Matroid.orlik_solomon_algebra
Failed example:
OS = M.orlik_solomon_algebra(QQ)
Expected:
Orlik-Solomon algebra of U(3, 4): Matroid of rank 3 on 4 elements
with circuit-closures
{3: {{0, 1, 2, 3}}}
Got:
<BLANKLINE>
**********************************************************************
1 item had failures:
1 of 3 in sage.matroids.matroid.Matroid.orlik_solomon_algebra
[775 tests, 1 failure, 2.64 s]
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/18133#comment:34>
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