The Gordian distance of handlebody-knots and Alexander biquandle colorings
2018 Volume 70 Issue 4 Pages 1247-1267
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2018 Volume 70 Issue 4 Pages 1247-1267
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.
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Proceedings of the Physico-Mathematical Society of Japan. 3rd Series
Proceedings of the Tokyo Mathematico-Physical Society. 2nd Series
Tokyo Sugaku-Butsurigakukwai Kiji-Gaiyo
Tokyo Sugaku-Butsurigakkwai Hokoku
Tokyo Sugaku-Butsurigaku Kwai Kiji
