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Cleanup up zeros in combinatorial free modules #12531

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hivert opened this issue Feb 17, 2012 · 0 comments
Open

Cleanup up zeros in combinatorial free modules #12531

hivert opened this issue Feb 17, 2012 · 0 comments
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c: combinatorics p: major / 3 t: enhancement

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@hivert
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hivert commented Feb 17, 2012

Right now, it is not clear that an index with a zero coefficient is legal or not as a element of combinatorial free modules. There seem to be an agreement to forbid it as it allows some important optimizations.

CC: @sagetrac-sage-combinat

Component: combinatorics

Issue created by migration from https://trac.sagemath.org/ticket/12531
@hivert hivert added this to the sage-5.11 milestone Feb 17, 2012
@jdemeyer jdemeyer modified the milestones: sage-5.11, sage-5.12 Aug 13, 2013
@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.1, sage-6.2 Jan 30, 2014
@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.2, sage-6.3 May 6, 2014
@sagetrac-vbraun-spam sagetrac-vbraun-spam mannequin modified the milestones: sage-6.3, sage-6.4 Aug 10, 2014
@mkoeppe mkoeppe removed this from the sage-6.4 milestone Dec 29, 2022
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