Opened 8 years ago

Last modified 5 weeks ago

#18801 new enhancement

Add test if a matroid is quaternary

Reported by: Rudi Owned by: Rudi
Priority: major Milestone:
Component: matroid theory Keywords:
Cc: Stefan, yomcat, chaoxu Merged in:
Authors: Reviewers:
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

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Description

There is a (not so straightforward) test to see if a matroid is quaternary: generate a quaternary representation local to a basis, and check matroid isomorphism. Implement this algorithm. See Matroid.is_binary(), ticket #18448, and Matroid.is_ternary(), ticket #18751.

Change History (1)

comment:1 Changed 5 weeks ago by mkoeppe

Milestone: sage-6.8
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