Unknotting number: Revision history

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15 April 2014

  • curprev 08:1208:12, 15 April 2014‎ en>Hyacinth‎ 3,016 bytes +83‎ ==External links== *{{Knot Atlas|Three_Dimensional_Invariants#Unknotting_Number}}

10 July 2013

  • curprev 07:0007:00, 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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