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The Gordian distance of handlebody-knots and Alexander biquandle colorings. (arXiv:1704.07792v1 [math.GT])
来源于:arXiv
We give lower bounds for the Gordian distance and the unknotting number of
handlebody-knots by using Alexander biquandle colorings. We construct
handlebody-knots with Gordian distance $n$ and unknotting number $n$ for any
positive integer $n$. 查看全文>>