Unknotting number: Revision history

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15 April 2014

  • curprev 07:1207:12, 15 April 2014 en>Hyacinth 3,016 bytes +83 ==External links== *{{Knot Atlas|Three_Dimensional_Invariants#Unknotting_Number}}

10 July 2013

  • curprev 06:0006:00, 10 July 2013 en>David Eppstein 2,933 bytes +2,933 less than half the crossing number (more specifically ≤ (c-1)/2, with equality in some cases)

2 January 2012

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