I went ahead and did a quick port of my Magma code over to Sage --- I'm trying to wean myself of Magma as much as possible. You can find it as the file "alexander.py" at
http://dunfield.info/snappea/ Example usage: sage: import snappy sage: from alexander import alexander_polynomial sage: M = snappy.Manifold('m004') sage: alexander_polynomial(M) -a^2 + 3*a - 1 sage: M = snappy.Manifold('v3551') sage: alexander_polynomial(M) a^4*b^4 + a^4*b^3 + a^3*b^4 + a^4*b^2 + 2*a^3*b^3 + a^2*b^4 + 2*a^3*b^2 + 2*a^2*b^3 + a^3*b + 2*a^2*b^2 + a*b^3 + 2*a^2*b + 2*a*b^2 + a^2 + 2*a*b + b^2 + a + b + 1 Best, Nathan --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---