#18660: Improve efficiency of minors() for BinaryMatroid, TernaryMatroid,
QuaternaryMatroid
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Reporter: Rudi | Owner: Rudi
Type: task | Status: new
Priority: major | Milestone: sage-6.8
Component: matroid theory | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by Rudi):
Still need to try this out. Hope to do this this week.
Since a cocircuit of a binary matroid M is typically going to have size
about `r^*(M) /2` elements, I expect a speedup by a factor of up to
`r^*(M)/2/|E(M)|` for the minor-taking in Chao's code in ticket #18539.
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Ticket URL: <http://trac.sagemath.org/ticket/18660#comment:1>
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