#15407: bug in symmetrica
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Reporter: zabrocki | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: | Keywords: symmetrica, symmetric
combinatorics | functions
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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The following bug was causing errors in the product of Schur functions.
The bug in the product was resolved in #15397 by changing the product to
use lrcalc rather than symmetrica. The bug in symmetrica still exists.
{{{
sage: s = SymmetricFunctions(QQ).s()
sage: symmetrica.mult_schur_schur(s[122,1],s[2,1])
2*s[1]
sage: symmetrica.mult_schur_schur(s[123],s[2,1])
---------------------------------------------------------------------------
ValueError Traceback (most recent call
last)
...
ValueError: [0, 0, ..., 0, 122, 2, 1] is not an element of Partitions
sage: symmetrica.mult_schur_schur(s[125],s[3])
enter a to abort with core dump, g to go, f to supress
s to supress further error text, r to retry, e to explain, else stop
ERROR: newtrans:stackoverflow?:
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15407>
Sage <http://www.sagemath.org>
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