#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 | 29be8b00dd778425bd16cb3064dba381b8015672
Branch: | Stopgaps:
u/mmarco/ticket/17030 |
Dependencies: |
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Changes (by mmarco):
* commit: 3dac5c06f4592c081fe52f5126b28dd612b2df97 =>
29be8b00dd778425bd16cb3064dba381b8015672
Comment:
I have done some changes cleaning up the conversion to braid.
I have also run a script to check the results of .alexander_polynomial
against the ones available in the knot atlas (taking into account the
notation differences that Amit noted), and so far they match. Although my
script is only checking 838 cases. There are some oddities, for example,
in some knots, the knot atlas states that the Alexander polynomial is
"ComplexInfinity", although our implementation returns an actual
polynomial.
In other cases, the knot atlas shows no PD code, so i am not checking
those.
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New commits:
||[http://git.sagemath.org/sage.git/commit/?id=b58f49244ac679c86be6b4c958e6993bedd137c1
b58f492]||{{{Cleanup of the braid conversion.}}}||
||[http://git.sagemath.org/sage.git/commit/?id=071683a37f52d810c65fa9d973f7ce3388708b08
071683a]||{{{Merge branch 'u/amitjamadagni/knots' of
git://trac.sagemath.org/sage into ticket/17030}}}||
||[http://git.sagemath.org/sage.git/commit/?id=29be8b00dd778425bd16cb3064dba381b8015672
29be8b0]||{{{Merge conflict resolution}}}||
--
Ticket URL: <http://trac.sagemath.org/ticket/17030#comment:28>
Sage <http://www.sagemath.org>
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