#17798: Create a class for Coxeter matrices and types
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.6
Component: group theory | Resolution:
Keywords: Coxeter groups, | Merged in:
matrices, types, days64 | Reviewers: Jean-Philippe Labbé,
Authors: Travis Scrimshaw, | Travis Scrimshaw
Jean-Philippe Labbé | Work issues:
Report Upstream: N/A | Commit:
Branch: | eab7426aa7b98be3c11cce1bba68e035c9bf4b0c
public/combinat/coxeter_matrices-17798| Stopgaps:
Dependencies: #17990, #18152, |
#18743 |
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Comment (by tscrim):
So it is saying that we are importing 5 new modules at startup. I think we
should lazily import the `coxeter_matrix` and `coxeter_type`. The other
option is to change this to a lazy import: `from
sage.graphs.generators.basic import CycleGraph`.
Also the test failures in `src/sage/interfaces/psage.py` are due to an old
version of #18743, but we have to figure why the `CoxeterGroup` element
doesn't work properly. It might be an issue with comparisons, but it might
be with the pickling...
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Ticket URL: <http://trac.sagemath.org/ticket/17798#comment:47>
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