#18720: Change diagram algebra basis set partitions from list to generator
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Reporter: ghseeli | Owner:
Type: | Status: new
enhancement | Milestone: sage-6.8
Priority: minor | Keywords: days65, partition algebra,
Component: algebra | diagram algebra
Merged in: | Authors: ghseeli
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Currently, when building a diagram algebra, the functions that create the
set partitions representing the diagrams create a list of all the correct
set partitions. However, this behavior causes the initialization of the
algebras to be slow in larger cases. Furthermore, there are things one can
do in these algebras without needing to know the whole basis since it is
usually pretty easy to determine if an element is in the algebra. Thus, in
order to avoid this computation except when necessary, I have made the set
partition generating functions return iterators instead of lists.
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Ticket URL: <http://trac.sagemath.org/ticket/18720>
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