#17226: LatticePoset: add Frattini sublattice
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Reporter: jmantysalo | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-wishlist
Component: combinatorics | Resolution:
Keywords: poset, lattice | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: 18567 | Stopgaps:
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Changes (by jmantysalo):
* dependencies: => 18567
Old description:
> Add a function that computes the Frattini sublattice, i.e. intersection
> of all proper sublattices of a lattice. AFAIK there is no known good
> algorithm for this. Maybe making even a slow function will make it easier
> to search for one.
>
> Maybe also a function to list maximal sublattices could be done.
New description:
Add a function that computes the Frattini sublattice, i.e. intersection of
all proper sublattices of a lattice. AFAIK there is no known good
algorithm for this. Maybe making even a slow function will make it easier
to search for one.
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Ticket URL: <http://trac.sagemath.org/ticket/17226#comment:3>
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