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Jan 27, 2011 at 15:54 history edited Anthony Labarre CC BY-SA 2.5
fixed according to JeffE's comment
Jan 27, 2011 at 14:45 comment added Jeffε Haken gave the first algorithm, but it does not run in polynomial time; in fact, no poly-time algorithm (or NP-hardness result) is known. More recent work has reduced knot triviality (via Haken's normal-surface formulation) to integer programming, which is usually quick to solve in practice.
S Jan 24, 2011 at 8:57 history answered Anthony Labarre CC BY-SA 2.5
S Jan 24, 2011 at 8:57 history made wiki Post Made Community Wiki