#15505: Braid Group construction misses some relations
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Reporter: mmarco | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: group theory | Keywords: braid groups
Merged in: | Authors: mmarco
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Braid Groups are constructed over a finitely presented group, but not all
relations are present:
{{{
sage: B=BraidGroup('a,b,c')
sage: B
Braid group on 4 strands
sage: B.relations()
(a*b*a*b^-1*a^-1*b^-1,)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/15505>
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