#17030: Knot Theory as a part of GSoC 2014.
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Reporter: amitjamadagni | Owner: amitjamadagni
Type: task | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: algebraic | Resolution:
topology | Merged in:
Keywords: | Reviewers: Miguel Marco
Authors: Amit Jamadagni, | Work issues:
Miguel Marco | Commit:
Report Upstream: N/A | e6e17c401b8b879cd041dafc120d3943b3f2dacb
Branch: | Stopgaps:
u/amitjamadagni/knots |
Dependencies: |
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Comment (by mmarco):
There is something working wrong in the following case:
{{{
sage: L=Link([[1, 4, 2, 5], [7, 10, 8, 11], [3, 9, 4, 8], [9, 3, 10, 2],
[5, 12, 6, 1], [11, 6, 12, 7]])
sage: L
<repr(<sage.knots.link.Link at 0x7f41771c8a28>) failed: Exception: Invalid
Input>
}}}
It gets an error when trying to get the connected components, which in
turn tries to convert it to braid (which is probably not a good idea, it
would be wiser to compute the components directly from the PD_code, since
we might me loosing something in the conversion PD<->braid).
In any case, this example fails in the conversion to braid:
{{{
sage: L.braid()
...
Exception: Invalid Input
}}}
Please go through it and debug.
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/17030#comment:18>
Sage <http://www.sagemath.org>
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