#14711: Weak references in the coercion graph
-------------------------------------+-------------------------------------
Reporter: jpflori | Owner: davidloeffler
Type: defect | Status: positive_review
Priority: critical | Milestone: sage-6.2
Component: number fields | Resolution:
Keywords: memleak, number | Merged in:
field, QuadraticField | Reviewers: Nils Bruin, Jean-
Authors: Simon King, | Pierre Flori
Travis Scrimshaw, Jean-Pierre | Work issues:
Flori | Commit:
Report Upstream: N/A | 00b3e2f3cf90b5e7a339367f8ad4e08e1f0fb3d7
Branch: | Stopgaps:
public/ticket/14711 |
Dependencies: |
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Comment (by aschilling):
Replying to [comment:260 tscrim]:
> Anne, Mike - More changes to the k-schur book...
Do you really think that it is a good idea to remove valuable information?
Now
{{{
sage: Sym = SymmetricFunctions(FractionField(QQ["t"]))
sage: ks3 = Sym.kschur(3)
sage: ks3([3,2]).omega()
Traceback (most recent call last):
...
ValueError: t^2*s[1, 1, 1, 1, 1] + t*s[2, 1, 1, 1] + s[2, 2, 1] is not
in the image
}}}
Before
{{{
sage: Sym = SymmetricFunctions(FractionField(QQ["t"]))
sage: ks3 = Sym.kschur(3)
sage: ks3([3,2]).omega()
Traceback (most recent call last):
...
ValueError: t^2*s[1, 1, 1, 1, 1] + t*s[2, 1, 1, 1] + s[2, 2, 1] is not
in the image of Generic morphism"
From: 3-bounded Symmetric Functions over Fraction Field of Univariate
Polynomial Ring in t over Rational Field in the 3-Schur basis
To: Symmetric Functions over Fraction Field of Univariate Polynomial
Ring
in t over Rational Field in the Schur basis
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/14711#comment:266>
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