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A lower bound on unknotting number

  • Jiming Ma*
  • , Ruifeng Qiu
  • *Corresponding author for this work
  • Peking University
  • Dalian University of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper the authors use a modified Wirtinger presentation to give a lower bound on the unknotting number of a knot in S 3.

Original languageEnglish
Pages (from-to)437-440
Number of pages4
JournalChinese Annals of Mathematics. Series B
Volume27
Issue number4
DOIs
StatePublished - Aug 2006
Externally publishedYes

Keywords

  • Commutator subgroup
  • Knot
  • Unknotting number

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