#18597: Implement m-Cambrian lattices (using delta sequences)
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Reporter: nathanwilliams | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.10
Component: combinatorics | Resolution:
Keywords: | Merged in:
sagedays64.5,catalan,coxeter,cambrian| Reviewers: Christian Stump
Authors: Nathan Williams | Work issues:
Report Upstream: N/A | Commit:
Branch: | de880b190506bb556332b2092f675f49b129ca13
u/stumpc5/implement_m_cambrian_lattices__using_delta_sequences_| Stopgaps:
Dependencies: #19514 |
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Comment (by stumpc5):
I hope to have fixed it -- please have a look, Nathan. The two main
changes are: we are now using {{{sets}}} so that containment test is
faster, and we use {{{frozensets}}} for inversion sets. This way we bypass
the problem to have somehow sorted lists. This is cleaner and faster
anyway...
Fred, could you do some tests to see whether you can confirm this bug to
be fixed?
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Ticket URL: <http://trac.sagemath.org/ticket/18597#comment:38>
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