Burnside obstructions to the Montesinos – Nakanishi 3 – move conjecture

نویسندگان

  • Józef H Przytycki
  • Yasutaka Nakanishi
چکیده

Yasutaka Nakanishi asked in 1981 whether a 3–move is an unknotting operation. In Kirby’s problem list, this question is called The Montesinos–Nakanishi 3– move conjecture. We define the nth Burnside group of a link and use the 3rd Burnside group to answer Nakanishi’s question; ie, we show that some links cannot be reduced to trivial links by 3–moves. AMS Classification numbers Primary: 57M27 Secondary: 20D99

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تاریخ انتشار 2002